Behavior and heart rate perceived exertion during combat Brazilian JIU-JITSUThe purpose of present study was evaluate the behavior of heart rate (HR) and the relationship with the rating of perceived exertion (RPE) in Brazilian Jiu-Jitsu (BJJ) athletes with age of 27±6.24 years, 85.6±16.95 kg and 1.76±0.06 m. The experimental protocol consisted of a fight simulation with regular time (10 minutes) even without t...