Handgrip Strength Endurance Evaluation for Judo Athletes : A Fundamental Study

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  • 柔道競技者の把握筋持久力評価のための基礎的研究
  • ジュウドウ キョウギシャ ノ ハアクキン ジキュウリョク ヒョウカ ノ タメ ノ キソテキ ケンキュウ

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The objective of the present study was to investigate the effect of exercise in repetitive handgrip tasks and recovery time on peak hand grip strength. The result of the study will help us to establish better evaluation of Judo athletes’ handgrip endurance ability. Fifteen collegiate athletes（age 22.0 ± 2.0 years, standing height 177.4 ± 7.0cm, mass 77.9 ± 9.7 kg）volunteered to attend the study. First, the participants were instructed to perform 5 sets of repetitive handgrip motion for every second for 60 seconds [i.e. 60 times in each set] with 30 seconds’ rest between each set in the exercise period. They were then asked to take 15-min recovery period after the final set was completed. Peak hand grip strength was measured with at rest as the base line, after each set of the handgrip task during the exercise period, and every 5 min during the recovery period. One-Way analysis of variance（One-way ANOVA）followed by Tukey-Kramer test was used for comparison of the peak strength among each the period（P < 0.05）．The current study demonstrated that the peak handgrip strength was significantly and progressively decreased until the end of second sets of the exercise period; however, there were no significant change in the peak strength in the rest of the exercise period. In addition, the peak handgrip strength was significantly increased after 5 min recovery; however, no significant increase was found in the rest of the recovery period. The results suggest that we may be able to utilize the peak handgrip value after the second set in the exercise period and at 5 min in the recovery period in the repetitive hand grip task to evaluate the handgrip endurance ability for judo athletes.

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