Acute effect of caffeine on dynamic and isometric kimono grip performance in experienced Brazilian jiu-jitsu athletes: a randomized, double-blind, placebo-controlled crossover trial
Caffeine (CAF) is a well-established ergogenic aid; however, its effects on sport-specific grip performance in Brazilian Jiu-Jitsu (BJJ), particularly when dynamic and isometric components are assessed within the same protocol, remain unclear. This study investigated the acute effects of 400 mg CAF ingested 30 min befo...