Abstract
This study clarified the “advantages of aggressively pushing forward during a match” and the “effects of grip strength exertion” for judo players by examining the simple whole body reaction time under different positions of center of gravity and with and without grip strength exertion. The results outlined below can be utilized for judo coaching. 1.The simple whole body reaction time when the center of gravity regardless of whether or not the grip strength was exerted, it was faster in the order of more forward, natural stance, and backward. 2.The simple whole body reaction time was delayed when grip strength was exerted compared to when grip strength was not exerted, regardless of the position of the center of gravity.The results indicate that aggressively stepping forward to push an opponent in a match or using a stronger or weaker grip on the judo uniform by devising kumite can be tactics to gain an advantage by facilitating quicker reactions, which can result in quicker techniques and defensive act.
