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Original article
Specificity of performance adaptations to a periodized judo training program
Especificidad de las adaptaciones de un programa periodizado de judo
Especificidade das adaptações de desempenho aprograma periodizado de treinamento de judô
E. Franchinia,b,
Corresponding author
emersonfranchini@hotmail.com

Corresponding author.
, F.B. Del Vecchioa,c, U. Ferreira Julioa, L. Matheusd, R. Candaub
a Martial Arts and Combat Sports Research Group – School of Physical Education and Sport, University of São Paulo, Brazil
b Faculty of Sports Sciences, UMR 866, University of Montpellier, France
c Superior School of Physical Education, Federal University of Pelotas, Brazil
d Grêmio Recreativo Barueri, Brazil
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Judo is characterized by high-intensity intermittent efforts&#44; resulting in high physiological demand&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Judo athletes typically take part in seven to eight competitions&#44; either regionally or internationally&#46;<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> Thus&#44; the training periodization is important to provide judo athletes a better chance to qualify in these tournaments&#46;<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3&#8211;5</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Previous investigations have indicated that judo athletes with higher upper-body anaerobic power and capacity&#44; specific endurance&#44; and lower-body muscle power present more chance of success&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#44;6&#8211;8</span></a> When considering a typical judo match&#44; most of the time is spent in grip disputes &#40;<span class="elsevierStyleItalic">kumi-kata</span>&#41;&#44; requiring high level of upper-body strength endurance&#44; while powerful upper and lower-body actions are needed during technique application&#46;<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8&#8211;12</span></a> Furthermore&#44; several authors<a class="elsevierStyleCrossRefs" href="#bib0065"><span class="elsevierStyleSup">13&#8211;15</span></a> have indicated that the aerobic profile of judo athletes may be important during several situations&#58; &#40;a&#41; in the final moments of a combat&#59; &#40;b&#41; when a high number of matches are performed in the same competition&#59; and &#40;c&#41; during the recovery process between the matches&#46; Therefore&#44; variables related to upper-body anaerobic power and capacity&#44; strength endurance&#44; lower-body muscle power&#44; and aerobic fitness should be specifically addressed during the training process&#46; Additionally&#44; as judo requires athletes to compete in different weight categories&#44; these variables should be improved without relevant changes in body mass&#46;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">16&#8211;18</span></a> However&#44; few studies presented the physiological changes in judo athletes during periodization or training phases&#44; and most of these studies considered short periods&#44; i&#46;e&#46;&#44; three to eight weeks&#46;<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3&#8211;5&#44;19&#8211;23</span></a> Thus&#44; the objective of the present study was to monitor the changes in different variables during judo training periodization&#46; Our hypothesis was that athletes would present an increase in upper-body anaerobic power and capacity&#44; lower-body muscle power&#44; upper-body aerobic power&#44; and strength endurance&#44; while maintaining lower-body aerobic power and body composition&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Method</span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Subjects</span><p id="par0015" class="elsevierStylePara elsevierViewall">Ten male adult judo athletes &#40;23<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2 years-old&#41; volunteered for this study after reading and signing an informed consent form&#46; All athletes were brown or black belt&#44; competed in state level for more than 5 years and had previous experience with the tests conducted&#46; These athletes presented no injury during the period of the study that was serious enough to result in missing a training session&#46; As the athletes were paid by the club to train and to compete&#44; no absence was observed during this training period&#46; Athletes were not using any supplementation and were oriented to keep their normal nutritional habits throughout the study&#46; This observational descriptive study was approved by the local ethics committee&#46; For most variables a sample size of 10 athletes is large enough to detect changes in the dependent variables&#44; with 80&#37; confidence and error smaller than the standard deviation reported in previous studies&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#44;6&#44;8</span></a></p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Procedures</span><p id="par0020" class="elsevierStylePara elsevierViewall">Before the beginning of this study&#44; athletes took part in a 20 days judo training period&#44; composed by technical workouts &#40;<span class="elsevierStyleItalic">uchi-komi</span>&#44; technique application&#44; for 10&#8211;15<span class="elsevierStyleHsp" style=""></span>min&#41; and <span class="elsevierStyleItalic">randori</span> &#40;match simulation&#44; performed during 40&#8211;60<span class="elsevierStyleHsp" style=""></span>min continuously&#41;&#46; The athletes were evaluated 18 weeks apart&#44; in the beginning of preparatory period and one week before the main competition of the competitive period&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">The current training periodization was composed by two phases &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46; The first one&#44; named preparatory phase and lasting seven weeks&#44; was designed&#58; &#40;a&#41; to improve general strength and promote muscle hypertrophy &#40;3 resistance training sessions&#47;week&#41;&#59; &#40;b&#41; to develop technical skills through <span class="elsevierStyleItalic">randori</span> &#40;4 times per week at 60&#37; of maximal perceived effort&#59; i&#46;e&#46;&#44; 6 in the 0&#8211;10 Borg scale<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a>&#59; &#40;c&#41; and to improve aerobic conditioning &#40;2 running sessions&#47;week at 60&#37; of reserve heart rate&#59; RHR&#41;&#46; During this phase&#44; strength training involved 8&#8211;12 strength exercises performed in 4 sets of 8&#8211;12 repetitions at 70&#8211;80&#37; of one repetition maximum &#40;1RM&#41;&#44; with 1<span class="elsevierStyleHsp" style=""></span>min rest between sets&#46;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">25</span></a><span class="elsevierStyleItalic">Randori</span> involved six to eight 5<span class="elsevierStyleHsp" style=""></span>min combat simulations&#44; with short interval &#40;1&#8211;3<span class="elsevierStyleHsp" style=""></span>min&#41; between them&#46; Aerobic conditioning involved continuous running training during 40&#8211;60<span class="elsevierStyleHsp" style=""></span>min at the frequency presented above&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0030" class="elsevierStylePara elsevierViewall">The special phase&#44; lasting 11 weeks&#44; was designed to improve specific strength&#44; the first 8 weeks with basic resistance training exercises and the last 3 weeks with complex training &#40;3 sessions per week&#41;&#46; Basic specific strength was developed by using wrist flexion exercises&#44; triceps and back pulley machines exercises&#44; rowing&#44; squat&#44; Olympic-type lifts &#40;e&#46;g&#46;&#44; power clean&#44; high pull&#44; clean and jerk&#44; snatch&#41;&#44; performed at high-intensity &#40;4 sets of 3&#8211;5 repetitions at &#8764;90&#37; of 1RM&#44; and at the highest speed possible&#44; with 3<span class="elsevierStyleHsp" style=""></span>min interval between sets&#41;&#44; while complex training involved the use of Olympic weightlifting&#44; squat and bench press exercises&#44; with the same protocol&#44; but followed by specific judo actions &#40;mainly throwing judo techniques&#44; applied 3&#8211;5 times with different partners&#44; 3&#8211;5<span class="elsevierStyleHsp" style=""></span>min after the maximal strength exercise&#41;&#46; <span class="elsevierStyleItalic">Randori</span> intensity was increased to 70&#8211;90&#37; of maximal effort &#40;7&#8211;9 in the 0&#8211;10 Borg scale&#44;<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> performed in 4&#8211;6 combats with longer interval &#40;5&#8211;10<span class="elsevierStyleHsp" style=""></span>min&#41; between them&#44; using the same number of sessions per week&#46; Aerobic training also increased its intensity &#40;90&#8211;100&#37; of RHR&#44; twice a week&#41;&#44; performed intermittently &#40;1&#58;1 effort&#58;pause ratio&#41; and in a lower volume &#40;30<span class="elsevierStyleHsp" style=""></span>min per session&#41;&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Measures</span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Anthropometrical measurements</span><p id="par0035" class="elsevierStylePara elsevierViewall">After body mass and height assessment&#44; skinfold thicknesses&#44; bone diameter and circumference measurements were taken according to Drinkwater and Ross&#46;<a class="elsevierStyleCrossRef" href="#bib0130"><span class="elsevierStyleSup">26</span></a> The research responsible for the assessment had a variation of less than 2&#37; between skinfold thickness&#44; bone diameter and circumference measurements&#44; with high reliability &#40;ICC<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;98&#41;&#46; Percent body fat was determined according to Drinkwater and Ross&#46;<a class="elsevierStyleCrossRef" href="#bib0130"><span class="elsevierStyleSup">26</span></a></p></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Upper and lower-body Wingate tests</span><p id="par0040" class="elsevierStylePara elsevierViewall">These tests were performed on an EB4100 and a Biotec 2100<span class="elsevierStyleSup">&#174;</span> cycle ergometer &#40;Cefise&#44; Brazil&#41;&#46; Load was set at 4&#46;9<span class="elsevierStyleHsp" style=""></span>N<span class="elsevierStyleHsp" style=""></span>kg<span class="elsevierStyleSup">&#8722;1</span> of body mass for the upper-body Wingate test and 8&#46;8<span class="elsevierStyleHsp" style=""></span>N<span class="elsevierStyleHsp" style=""></span>kg<span class="elsevierStyleSup">&#8722;1</span> of body mass for the lower-body Wingate test&#46;<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">27</span></a> Power was measured every second by a software&#44; and the following variables were determined&#58; mean power &#40;average power during 30<span class="elsevierStyleHsp" style=""></span>s&#41; and peak power &#40;highest power during the test&#41;&#46; This test has been widely used and its reliability has been reported<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">28</span></a> as 0&#46;98 via ICC&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Special judo fitness test</span><p id="par0045" class="elsevierStylePara elsevierViewall">The Special Judo Fitness Test &#40;SJFT&#41; is a specific evaluation test divided in three effort periods &#40;<span class="elsevierStyleItalic">A</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>15<span class="elsevierStyleHsp" style=""></span>s&#59; <span class="elsevierStyleItalic">B</span> and <span class="elsevierStyleItalic">C</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>30<span class="elsevierStyleHsp" style=""></span>s each&#41; with 10<span class="elsevierStyleHsp" style=""></span>s intervals between them&#46;<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">29</span></a> Briefly&#44; each partner was positioned 6<span class="elsevierStyleHsp" style=""></span>m apart and the participant was required to run to each partner and then throw them as many times as possible using the <span class="elsevierStyleItalic">ippon-seoi-nage</span> technique&#44; and all involved athletes had a similar height and body mass&#46; Just after and 1<span class="elsevierStyleHsp" style=""></span>min after the test heart rate &#40;HR&#41; was measured&#46; The throws were summed and the following index was calculated &#40;Eq&#46; <a class="elsevierStyleCrossRef" href="#eq0005">&#40;1&#41;</a>&#41;&#58;<elsevierMultimedia ident="eq0005"></elsevierMultimedia></p><p id="par0050" class="elsevierStylePara elsevierViewall">It is important to emphasize that a higher index indicates a worse SJFT performance&#44; and that this test has been shown to be highly reliable &#40;ICC<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;89 for the index&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">30</span></a></p></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Upper and lower-body aerobic power</span><p id="par0055" class="elsevierStylePara elsevierViewall">These tests were employed to measure the participant&#39;s maximal mechanical aerobic power in upper and lower-body&#44; conducted in a EB4100<span class="elsevierStyleSup">&#174;</span> &#40;Cefise&#44; Brazil&#41; and in a Biotec 2100<span class="elsevierStyleSup">&#174;</span> &#40;Cefise&#44; Brazil&#41; cycle ergometer&#44; respectively&#46; For the lower-body&#44; the test started with 18<span class="elsevierStyleHsp" style=""></span>W&#44; with subsequent increments of 30<span class="elsevierStyleHsp" style=""></span>W every minute until the participant&#39;s exhaustion&#46; For the upper-body the test started with 18<span class="elsevierStyleHsp" style=""></span>W&#44; with subsequent increments of 15<span class="elsevierStyleHsp" style=""></span>W every minute until the participant&#39;s exhaustion&#46; In both conditions exhaustion was defined as the incapacity to maintain a 60<span class="elsevierStyleHsp" style=""></span>rpm cadence&#46; In order to attain maximal values&#44; a strong verbal encouragement was given to participants to continue as long as possible&#46; The load achieved in each test was considered to be the athlete&#39;s maximal mechanical aerobic power&#46;<a class="elsevierStyleCrossRef" href="#bib0155"><span class="elsevierStyleSup">31</span></a></p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Maximal and endurance strength tests</span><p id="par0060" class="elsevierStylePara elsevierViewall">Quantifications of 1RM for straight bench-press&#44; and rowing at 45&#176; were carried out&#46; All athletes were familiar with the performance of these exercises&#44; and each athlete carried out at least three and at most five trials&#44; with 3&#8211;5<span class="elsevierStyleHsp" style=""></span>min intervals between them&#46; The interval between exercises was of at least 30<span class="elsevierStyleHsp" style=""></span>min&#46; The subjects began the test with a general warm-up of five minutes&#46; Subsequently&#44; they performed a set of eight repetitions with the intensity at 50&#37; of estimated 1RM load&#44; followed by another set of three repetitions at 70&#37; of estimated 1RM load&#46; The attempt to establish 1RM was a lifting with progressively heavier load to volitional fatigue&#46; For this study&#44; the load increase was 5&#37; as recommended before&#46;<a class="elsevierStyleCrossRef" href="#bib0160"><span class="elsevierStyleSup">32</span></a></p><p id="par0065" class="elsevierStylePara elsevierViewall">Besides the absolute value&#44; 1RM values relative to the athlete&#39;s weight were also calculated&#46; Endurance strength tests involved the performance of the maximal number of repetitions with 70&#37; of 1RM for each exercise&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">Static grip strength was assessed for right and left hand using a Jamar&#8482; dynamometer&#46; For this test a low variation &#40;less than 2&#37;&#41; and a high reliability &#40;ICC<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;97&#41; has been observed in our laboratory&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">Two <span class="elsevierStyleItalic">judogi</span> strength endurance tests were performed<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">33</span></a>&#58; &#40;1&#41; isometric &#8211; while holding on <span class="elsevierStyleItalic">judogi</span> &#40;judo uniform&#41; rolled around the bar&#44; with the elbow joint in maximal flexion&#44; athletes were required to sustain this position &#40;<span class="elsevierStyleItalic">judogi</span> isometric pulling&#41; during the maximal possible time&#44; measured in seconds&#59; &#40;2&#41; dynamic &#8211; during this test the same grip position was applied&#44; but athletes performed the maximal number of repetitions from a fully flexed to a fully extended elbow position&#46; In both cases&#44; athletes performed the exercises until voluntary failure and a minimum of 15<span class="elsevierStyleHsp" style=""></span>min rest was allowed between each test&#46; The reliability for both tests was assessed in a previous study&#44; which reported an intraclass correlation coefficient of 0&#46;98 for the dynamic test<a class="elsevierStyleCrossRef" href="#bib0170"><span class="elsevierStyleSup">34</span></a> and 0&#46;99 for the isometric version&#44;<a class="elsevierStyleCrossRef" href="#bib0175"><span class="elsevierStyleSup">35</span></a> with limits of agreement of &#8722;0&#46;9 to 0&#46;3 rep in the dynamic version and &#8722;3&#46;3 to &#8722;1&#46;2<span class="elsevierStyleHsp" style=""></span>s for the time of suspension in the isometric test&#46;<a class="elsevierStyleCrossRef" href="#bib0175"><span class="elsevierStyleSup">35</span></a></p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0145">Counter movement jump performance</span><p id="par0080" class="elsevierStylePara elsevierViewall">The counter movement jump performance was accessed through a contact mat &#40;Jump Test&#44; Belo Horizonte&#44; Brazil&#41;&#46; Athletes performed three non-consecutive jumps&#44; with 2<span class="elsevierStyleHsp" style=""></span>min interval between trials&#46; During each trial the athletes kept their arms crossed in front of their thorax and tried to jump as high as possible&#46; The best result was considered in our analysis&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0150">Testing assessment order</span><p id="par0085" class="elsevierStylePara elsevierViewall">The athletes performed the tests on three nonconsecutive days&#46; In the first day athletes were measured &#40;height&#44; body mass&#44; skinfold thickness&#44; circumferences and bone diameters&#41; and performed handgrip test&#44; vertical jump test&#44; pull-up bar test in <span class="elsevierStyleItalic">judogi</span> and lower-body maximal aerobic test&#46; The interval between handgrip&#44; pull-up bar with <span class="elsevierStyleItalic">judogi</span> and the maximal lower-body aerobic test was 15<span class="elsevierStyleHsp" style=""></span>min&#46; In the second day the athletes were submitted to 1RM tests&#44; separated by 5<span class="elsevierStyleHsp" style=""></span>min intervals&#46; After a 15<span class="elsevierStyleHsp" style=""></span>min rest they performed one lower or upper-body Wingate test and after a 30<span class="elsevierStyleHsp" style=""></span>min rest were submitted to the other Wingate test &#40;upper or lower-body&#44; depending on which test was performed before&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">27</span></a> In the third day&#44; athletes performed strength-endurance tests in the bench press and rowing&#44; and the SJFT&#46; In the third day a 15<span class="elsevierStyleHsp" style=""></span>min interval was given between strength-endurance tests and 30<span class="elsevierStyleHsp" style=""></span>min between them and the SJFT&#46; All tests were performed in the afternoon&#44; between 3<span class="elsevierStyleHsp" style=""></span>p&#46;m&#46; and 4<span class="elsevierStyleHsp" style=""></span>p&#46;m&#46; During all testing days athletes were instructed to maintain their habitual diet and not to perform any vigorous physical effort 24<span class="elsevierStyleHsp" style=""></span>h before the beginning of test assessment sessions&#46;</p></span></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0155">Statistical analysis</span><p id="par0090" class="elsevierStylePara elsevierViewall">Data are presented as mean and standard deviation&#46; Paired Student&#39;s <span class="elsevierStyleItalic">t</span> test was used to compare variables across periods&#46; Effect sizes &#40;Cohen&#39;s d&#41; were calculated and the following scale was used for the interpretation&#58; &#91;trivial&#93;&#58; &#60;0&#46;2&#44; &#91;trivial&#93;&#59; 0&#46;2&#8211;0&#46;6&#44; &#91;small&#93;&#59; 0&#46;6&#8211;1&#46;2&#44; &#91;moderate&#93;&#59; 1&#46;2&#8211;2&#46;0&#44; &#91;large&#93;&#59; and &#62; 2&#46;0 &#91;very large&#93;&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">36</span></a> The significance level was set at 5&#37;&#46;</p></span></span><span id="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0160">Results</span><p id="par0095" class="elsevierStylePara elsevierViewall">All athletes completed the training periodization as proposed&#46; From the ending of one season to the first peak of the other season&#44; athletes presented an increase &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#59; d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;12&#44; trivial&#41; in body mass &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>82&#46;6<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>17&#46;6<span class="elsevierStyleHsp" style=""></span>kg&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>84&#46;8<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#46;0<span class="elsevierStyleHsp" style=""></span>kg&#41;&#44; but no change in body fat composition &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>16&#46;0<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#46;3&#37;&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>16&#46;9<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#46;5&#37;&#41;&#46;</p><p id="par0100" class="elsevierStylePara elsevierViewall">There was an improvement &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#41; in row 1RM &#40;d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;29&#44; small&#41;&#44; isometric chin up &#40;d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;75&#44; moderate&#41; and in dynamic judogi chin up &#40;d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;80&#44; moderate&#41; during the training cycle &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0105" class="elsevierStylePara elsevierViewall">There was no significant difference in the CMJ comparing pre &#40;35&#46;4<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#46;2<span class="elsevierStyleHsp" style=""></span>cm&#41; and post &#40;34&#46;8<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#46;1<span class="elsevierStyleHsp" style=""></span>cm&#41; measurements&#46;</p><p id="par0110" class="elsevierStylePara elsevierViewall">While lower-body maximal mechanical aerobic power decreased &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>235<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>62<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>209<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>W&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#59; d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;50&#44; moderate&#41;&#44; maximal upper-body mechanical aerobic power increased &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>113<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>25<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>122<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#59; d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;33&#44; small&#41; during the training cycle&#46;</p><p id="par0115" class="elsevierStylePara elsevierViewall">For lower-body Wingate test&#44; only peak power increased &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>778<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>77<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>882<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>130<span class="elsevierStyleHsp" style=""></span>W&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#59; d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;75&#44; moderate&#41; during the training cycle&#44; but for upper-body Wingate test both peak &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>535<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>74<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>617<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>81<span class="elsevierStyleHsp" style=""></span>W&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#59; d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;85&#44; moderate&#41; and mean power &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>344<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>402<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>38<span class="elsevierStyleHsp" style=""></span>W&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;05&#59; d<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#46;43&#44; large&#41; increased during the training cycle&#46;</p><p id="par0120" class="elsevierStylePara elsevierViewall">No difference was found in any variable of the SJFT &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#41;&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia></span><span id="sec0075" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0165">Discussion</span><p id="par0125" class="elsevierStylePara elsevierViewall">Our initial hypothesis was confirmed concerning improvements in upper-body anaerobic power and capacity &#40;mean and peak power increase&#41;&#44; lower-body muscle power &#40;peak power increase&#41; and strength endurance &#40;isometric and dynamic grip strength endurance improvements&#41; and body composition maintenance&#44; but it was not confirmed concerning lower-body mechanical aerobic power maintenance&#46;</p><p id="par0130" class="elsevierStylePara elsevierViewall">Concerning strength variables&#44; the adaptation seems to be specific to the judo actions&#44; as only row 1RM increased and it is known that judo involves many pulling actions during the combat&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Additionally&#44; both isometric and dynamic strength endurance were improved by these athletes in a task involving the grip on the judogi&#44; but not in non-specific strength endurance exercises &#40;bench press and row repetitions at 70&#37; 1RM&#41;&#46; Recently&#44; Marcon et al&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">11</span></a> and Miarka et al&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> reported that approximately half of the combat time is spent in gripping fighting activities and Calmet et al&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> demonstrated that the grip fighting is one of the most important factors during judo matches&#44; as the grip dominance is essential to increase the opportunities of throwing techniques execution&#46; Thus&#44; the specificity of adaptations was confirmed&#44; especially because the effect size for strength endurance adaptations in these exercises were higher than for maximal strength in the only exercise involving pulling action&#46; Additionally&#44; an increase in the upper-body Wingate test mean power was also detected in this study&#46; As mean power has been associated to the anaerobic capacity and the repetition of high-intensity grip disputes may be supported by this physical capacity&#44; the improvement in mean power seems to be important to judo athletes performance enhancement&#44;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> and this was one of the few variables with large effect size&#44; confirming the adaptation specificity&#46;</p><p id="par0135" class="elsevierStylePara elsevierViewall">As the match duration increases&#44; it is supposed to increase the aerobic contribution needed to sustain the efforts made by the athletes&#46;<a class="elsevierStyleCrossRefs" href="#bib0075"><span class="elsevierStyleSup">15&#44;37&#44;38</span></a> Considering that the upper-body has a higher solicitation during the match due to the time spent in the grip dispute&#44;<a class="elsevierStyleCrossRefs" href="#bib0055"><span class="elsevierStyleSup">11&#44;12</span></a> the improvement observed in upper-body aerobic power is important to provide athletes the condition to perform these repetitive muscle actions needed during the match and across the matches in a given competition&#46;<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3&#44;14&#44;15</span></a></p><p id="par0140" class="elsevierStylePara elsevierViewall">Judo athletes&#8217; lower-body performs powerful and short actions during the execution of the throwing techniques&#44;<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">39</span></a> but no change was observed in the CMJ&#46; Callister et al&#46;<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">40</span></a> did not find any difference in the CMJ performance in judo athletes submitted to intensified training to generate overreaching and suggested that maybe the CMJ performance is not sensitive enough to changes in judo athletes lower-body muscle power&#46; Busko and Nowak<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">20</span></a> also reported no change in the CMJ performance across different phases of training periodization in Polish national level athletes&#46; Conversely&#44; Fukuda et al&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> observed improved jump performance in adolescent judo athletes preparing for competition&#46; It is also important to consider that the judo techniques have longer duration &#40;1&#46;14<span class="elsevierStyleHsp" style=""></span>s to 1&#46;4&#8211;1&#46;7<span class="elsevierStyleHsp" style=""></span>s&#41;<a class="elsevierStyleCrossRefs" href="#bib0055"><span class="elsevierStyleSup">11&#44;39</span></a> than the CMJ&#46; Lower-body Wingate test peak power increased after this training period&#44; which would help judo athletes to perform their high-intensity lower-body actions needed in technique application&#46;<a class="elsevierStyleCrossRef" href="#bib0205"><span class="elsevierStyleSup">41</span></a> Kim et al&#46;<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">22</span></a> found a significant higher lower-body Wingate test peak power in high-level judo athletes compared to university level athletes&#44; suggesting that higher peak power values are relevant to judo performance&#46; Furthermore&#44; Kim et al&#46;<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">42</span></a> also reported improvement in lower-body Wingate test peak power in athletes submitted to 8 weeks of judo training and high-intensity intermittent exercise&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">In the interval among throwing technique execution &#40;approximately 20<span class="elsevierStyleHsp" style=""></span>s&#41;<a class="elsevierStyleCrossRefs" href="#bib0055"><span class="elsevierStyleSup">11&#44;12</span></a> the judo athlete lower-body is involved in low to moderate intensity displacements&#44; which do not impose a high metabolic stress compared to that imposed to the upper-body&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Thus&#44; it is probable that the decrease in lower-body aerobic power observed in our athletes does not seem to result in a concomitant decrease in performance during the matches&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall">Furthermore&#44; for judo throwing techniques execution it is also necessary a powerful pulling or pushing action performed by the upper-body during the imbalance phase &#40;<span class="elsevierStyleItalic">kuzushi</span>&#41;<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">43</span></a> and the improvement &#40;moderate effect size&#41; in the upper-body Wingate test peak power is an important adaptation to achieve this action successfully&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">Although the athletes presented an increase in body mass&#44; no change was observed in body composition&#44; probably because the absolute increase in fat tissue was countered by the increase in muscle mass&#46;</p><p id="par0160" class="elsevierStylePara elsevierViewall">Surprisingly&#44; no difference was found in the SJFT performance&#46; Although the athletes improved the lower-body Wingate peak power &#40;associated to the anaerobic power&#41; and upper-body Wingate mean power &#40;associated to the anaerobic capacity&#41;&#44; the metabolic profile of the SJFT has an important aerobic contribution &#40;32&#46;9<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>3&#46;3&#37;&#41;<a class="elsevierStyleCrossRef" href="#bib0220"><span class="elsevierStyleSup">44</span></a> and the lower-body aerobic power has been positively associated &#40;<span class="elsevierStyleItalic">r</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;73&#41; to the SJFT index<a class="elsevierStyleCrossRef" href="#bib0225"><span class="elsevierStyleSup">45</span></a> and correlated &#40;<span class="elsevierStyleItalic">r</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;79&#41; to the number of throws in the SJFT&#46;<a class="elsevierStyleCrossRef" href="#bib0230"><span class="elsevierStyleSup">46</span></a> Thus&#44; the combination of anaerobic profile improvement and lower-body aerobic power decrement for this group may have interacted and the performance in the SJFT did not change during this period&#46; An improvement in the number of throws during the SJFT would be important for the judo athletes because this variable has been correlated to the number of attacks during the match &#40;<span class="elsevierStyleItalic">r</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;68&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0235"><span class="elsevierStyleSup">47</span></a> In fact&#44; in a shorter training period &#40;i&#46;e&#46;&#44; six weeks&#41;&#44; increase in the number of throws in the SJFT was observed&#46;<a class="elsevierStyleCrossRef" href="#bib0115"><span class="elsevierStyleSup">23</span></a></p><p id="par0165" class="elsevierStylePara elsevierViewall">Two main limitations can be identified in our study&#58; the absence of a control group submitted to a non-periodized judo training and the lack of control concerning athletes&#8217; nutritional intake&#46; The use of control group in periodization studies is difficult&#44; because athletes are normally submitted to some type of periodization process&#46; Additionally&#44; some authors consider that there would be &#8220;ethical problems with restricting a particular treatment to elite athletes&#8221; &#40;p&#46; 814&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">48</span></a> Although diet was not controlled in this study&#44; athletes were not using any supplementation and were oriented to keep their normal nutritional habits throughout the study&#46;</p><p id="par0170" class="elsevierStylePara elsevierViewall">In conclusion&#44; the results of the present study indicated that the changes during a periodized judo program were specific to the match demand&#44; although not all variables improved across this period&#46; Body mass increased&#44; but body composition did not change&#46; Variables important to sustain high-intensity actions across the match &#40;upper-body peak and mean power&#44; isometric and dynamic grip strength endurance&#41; increased&#46; Additionally&#44; row 1RM and lower-body peak power&#44; which are relevant to power actions during throwing technique application&#44; increased&#46; Additionally&#44; upper-body mechanical aerobic power&#44; which maybe connected to endurance during the match and to recovery process of this muscle group between successive matches&#44; also increased&#46;</p></span><span id="sec0085" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0170">Conflict of interest</span><p id="par0175" class="elsevierStylePara elsevierViewall">The authors declare they have no conflict of interest&#46;</p></span></span>"
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        "titulo" => "Abstract"
        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Objective</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Judo is a combat sport characterized by high-intensity intermittent efforts&#46; To suit high competitive demand&#44; the training periodization should be adopted to improve judo athletes performance&#46; Thus&#44; the objective of the present study was to monitor the changes in different variables during judo training periodization&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Method</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Ten male adult judo athletes were evaluated 18 weeks apart&#44; in the beginning of preparatory period and one week before the main competition of the competitive period&#46; During this observational study&#44; the variables considered were&#58; body composition&#44; upper and lower-body anaerobic power and capacity&#44; lower-body muscle power&#44; upper and lower-body aerobic power&#44; maximal and strength endurance&#44; and judo specific performance&#46; Paired Student&#39;s <span class="elsevierStyleItalic">t</span> test was used to compare variables across periods&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">In the end of this period&#44; athletes presented a significant increase in upper-body anaerobic power &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>535<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>74<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>617<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>81<span class="elsevierStyleHsp" style=""></span>W&#59; 15&#37;&#41; and capacity &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>344<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>402<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>38<span class="elsevierStyleHsp" style=""></span>W&#59; 17&#37;&#41;&#44; lower-body anaerobic power &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>778<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>77<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>882<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>130<span class="elsevierStyleHsp" style=""></span>W&#59; 13&#37;&#41;&#44; isometric &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>31<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>17<span class="elsevierStyleHsp" style=""></span>s&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>15<span class="elsevierStyleHsp" style=""></span>s&#59; 39&#37;&#41; and dynamic grip strength endurance &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 rep&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>11<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 rep&#59; 57&#37;&#41;&#44; upper-body aerobic power &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>113<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>25<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>122<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; 8&#37;&#41;&#44; and row 1RM &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>85<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>23<span class="elsevierStyleHsp" style=""></span>kg&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>92<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>26<span class="elsevierStyleHsp" style=""></span>kg&#59; 8&#37;&#41;&#46; The body composition&#44; judo specific performance&#44; handgrip strength&#44; bench-press 1RM&#44; row and bench-press number of repetitions at 70&#37; 1RM&#44; and lower-body muscle power were maintained&#46; Athletes presented a decrease in lower-body aerobic power &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>235<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>62<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>209<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>W&#59; 11&#37;&#41;&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">The results of the present study indicated that the changes during a periodized judo program were specific to the match demand&#44; although not all variables improved across this period&#46;</p></span>"
        "secciones" => array:4 [
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            "identificador" => "abst0005"
            "titulo" => "Objective"
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          1 => array:2 [
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        "titulo" => "Resumen"
        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Objetivo</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">El judo es un deporte de combate caracterizado por intervalos de esfuerzos de elevada intensidad&#46; Para soportar la elevada demanda competitiva&#44; la periodizaci&#243;n del entrenamiento debe ser utilizada para mejorar el desempe&#241;o de los atletas de judo&#46; Por tanto&#44; el objetivo del presente estudio fue evaluar los cambios&#44; en diferentes variables&#44; durante la periodizaci&#243;n del entrenamiento de judo&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">M&#233;todo</span><p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Diez atletas de judo varones fueron evaluados con 18 semanas de intervalo&#44; en el inicio del per&#237;odo preparatorio y una semana despu&#233;s de la principal competici&#243;n del per&#237;odo competitivo&#46; Durante este estudio observacional&#44; las variables consideradas fueron&#58; composici&#243;n corporal&#44; potencia y capacidad anaer&#243;bica de miembros superiores e inferiores&#44; potencia muscular de miembros inferiores&#44; potencia aer&#243;bica de miembros superiores e inferiores&#44; fuerza m&#225;xima&#44; resistencia de fuerza y la performance en un test espec&#237;fico para el judo&#46; El test t de Student para datos pareados fue utilizado para comparar las variables durante el per&#237;odo de entrenamiento&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Al final de ese per&#237;odo&#44; los atletas presentaron aumento significativo en la potencia &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>535<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>74<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>617<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>81<span class="elsevierStyleHsp" style=""></span>W&#59; 15&#37;&#41; y en la capacidad &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>344<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>402<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>38<span class="elsevierStyleHsp" style=""></span>W&#59; 17&#37;&#41; anaer&#243;bicas de miembros superiores&#44; potencia anaer&#243;bica de miembros inferiores &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>778<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>77<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>882<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>130<span class="elsevierStyleHsp" style=""></span>W&#59; 13&#37;&#41;&#44; resistencia de fuerza isom&#233;trica &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>31<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>17<span class="elsevierStyleHsp" style=""></span>s&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>15<span class="elsevierStyleHsp" style=""></span>s&#59; 39&#37;&#41; y din&#225;mica de golpeo &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 rep&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>11<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 rep&#59; 57&#37;&#41;&#44; potencia aer&#243;bica de miembros superiores &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>113<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>25<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>122<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; 8&#37;&#41;&#44; y fuerza m&#225;xima de l RM &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>85<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>23<span class="elsevierStyleHsp" style=""></span>kg&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>92<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>26<span class="elsevierStyleHsp" style=""></span>kg&#59; 8&#37;&#41;&#46; La composici&#243;n corporal&#44; el desempe&#241;o en el test espec&#237;fico&#44; la fuerza de preensi&#243;n manual&#44; la fuerza m&#225;xima en el press de banca y de 1RM&#44; el n&#250;mero de repeticiones en el press de banca a 70&#37; 1RM y la potencia muscular de miembros inferiores no experimentaron cambios&#46; Los atletas presentaron una disminuci&#243;n en la potencia aer&#243;bica de miembros inferiores &#40;pre<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>235<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>62<span class="elsevierStyleHsp" style=""></span>W&#59; post<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>209<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>W&#59; 11&#37;&#41;&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusi&#243;n</span><p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">Los resultados indican que los cambios durante el ciclo del programa de entrenamiento de judo fueron espec&#237;ficos a la demanda del combate competitivo&#44; aunque algunas variables no cambiar&#225;n en ese per&#237;odo&#46;</p></span>"
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          0 => array:2 [
            "identificador" => "abst0025"
            "titulo" => "Objetivo"
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          1 => array:2 [
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            "titulo" => "M&#233;todo"
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          2 => array:2 [
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        "resumen" => "<span id="abst0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0060">Objetivo</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">O jud&#244; &#233; um esporte de combate caracterizado por esfor&#231;os intermitentes de elevada intensidade&#46; Para lidar com a demanda competitiva&#44; a periodiza&#231;&#227;o do treinamento deve ser adotada para melhorar o desempenho de atletas de jud&#244;&#46; Assim&#44; o objetivo do presente estudo foi monitorar as mudan&#231;as em diferentes vari&#225;veis durante o treinamento periodizado de jud&#244;&#46;</p></span> <span id="abst0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">M&#233;todo</span><p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">Dez atletas de judo adultos foram avaliados com intervalo de 18 semanas&#44; no come&#231;o do per&#237;odo preparat&#243;rio e uma semana antes da principal competi&#231;&#227;o do per&#237;odo competitivo&#46; Durante esse estudo observacional&#44; as vari&#225;veis consideradas foram&#58; composi&#231;&#227;o corporal&#44; pot&#234;ncia e capacidade anaer&#243;bias de membros superiores e inferiores&#44; pot&#234;ncia muscular de membros inferiores&#44; pot&#234;ncia aer&#243;bia de membros superiores e inferiores&#44; for&#231;a m&#225;xima&#44; resist&#234;ncia de for&#231;a e desempenho espec&#237;fico do jud&#244;&#46; O teste t de Student foi utilizado para comparar as vari&#225;veis entre os per&#237;odos&#46;</p></span> <span id="abst0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Resultados</span><p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">Ao final deste per&#237;odo os atletas apresentaram aumento significante na pot&#234;ncia &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>535<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>74<span class="elsevierStyleHsp" style=""></span>W&#59; p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>617<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>81<span class="elsevierStyleHsp" style=""></span>W&#59; 15&#37;&#41; e capacidade anaer&#243;bias de membros superiores &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>344<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>402<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>38<span class="elsevierStyleHsp" style=""></span>W&#59; 17&#37;&#41;&#44; pot&#234;ncia anaer&#243;bia de membros inferiores &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>778<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>77<span class="elsevierStyleHsp" style=""></span>W&#59; p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>882<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>130<span class="elsevierStyleHsp" style=""></span>W&#59; 13&#37;&#41;&#44; resist&#234;ncia de for&#231;a isom&#233;trica de pegada &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>31<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>17<span class="elsevierStyleHsp" style=""></span>s&#59; p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>15<span class="elsevierStyleHsp" style=""></span>s&#59; 39&#37;&#41;&#44; resist&#234;ncia de for&#231;a din&#226;mica de pegada &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 rep&#59;p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>11<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 rep&#59; 57&#37;&#41;&#44; pot&#234;ncia aer&#243;bia de membros superiores &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>113<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>25<span class="elsevierStyleHsp" style=""></span>W&#59; p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>122<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>29<span class="elsevierStyleHsp" style=""></span>W&#59; 8&#37;&#41; e 1RM na remada &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>85<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>23<span class="elsevierStyleHsp" style=""></span>kg&#59; p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>92<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>26<span class="elsevierStyleHsp" style=""></span>kg&#59; 8&#37;&#41;&#46; A composi&#231;&#227;o corporal&#44; o desempenho espec&#237;fico ao jud&#244;&#44; a for&#231;a m&#225;xima isom&#233;trica de preens&#227;o manual&#44; o 1RM no supino&#44; o n&#250;mero de repeti&#231;&#245;es a 70&#37; de 1RM na remada e no supino e a pot&#234;ncia muscular de membros inferiores foram mantidas&#46; Os atletas apresentaram decr&#233;scimo na pot&#234;ncia aer&#243;bia de membros inferiores &#40;pr&#233;<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>235<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>62<span class="elsevierStyleHsp" style=""></span>W&#59;p&#243;s<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>209<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>43<span class="elsevierStyleHsp" style=""></span>W&#59; 11&#37;&#41;&#46;</p></span> <span id="abst0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Conclus&#227;o</span><p id="spar0080" class="elsevierStyleSimplePara elsevierViewall">Os resultados do presente estudo indicam que as mudan&#231;as durante um programa periodizado de treinamento de jud&#244; foram espec&#237;ficas &#224; demanda da luta&#44; embora nem todas as vari&#225;veis tenham melhorado ao longo do per&#237;odo analisado&#46;</p></span>"
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="" valign="top" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Before&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="top">Right handgrip isometric strength &#40;kgf&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">61<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>13&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="top">Left handgrip isometric strength &#40;kgf&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">54<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>12&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="top">Bench press 1RM &#40;kg&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="top">Row 1RM &#40;kg&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">13<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="top">Row at 70&#37; 1RM &#40;rep&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">17<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry  " align="left" valign="top">Isometric chin up judogi &#40;s&#41;&nbsp;\t\t\t\t\t\t\n
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ISSN: 18887546
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