Purpose The aim of this study was to systematically review evidence on the prevalence and
magnitude of side effects associated with caffeine supplementation in athletes. Methods …

Background Brazilian jiu-jitsu is a grappling combat sport that has intermittency as its core
element; in other words, actions of high, moderate and low intensity are interspersed during …

Purpose: To estimate the contribution of the 3 energy systems to simulated judo matches.
Methods: Twelve judo athletes (18±1 y, 175.1±5.3 cm, 74.3±10.5 kg, 11.7%±1.5% body fat …

This narrative review focuses on the studies that estimate the energy systems' contributions
during match simulations of striking (boxing, karate, and taekwondo), grappling (judo), and …

Caffeine used as a supplement has been shown to improve physical and cognitive
performance in several sport modalities due to its effects on the central nervous system. This …

Caffeine is a popular ergogenic aid due to its primary physiological effects that occur
through antagonism of adenosine receptors in the central nervous system. This leads to a …

Although the effects of caffeine supplementation on combat sports performance have been
extensively investigated, there is currently no consensus regarding its ergogenic benefits …

The post-exercise recovery period is associated with changes in autonomic modulation,
which can promote an intercurrent-favorable environment. Caffeine has the ability to release …

Context: Combat sports are composed of high-intensity actions (eg, attacks, defensive
actions, and counterattacks in both grappling and striking situations depending on the …

Purpose: To investigate the effect of sodium bicarbonate (NaHCO3) on performance and
estimated energy system contribution during simulated taekwondo combat. Methods: Nine …