The purpose of this study was to determine the effects of interset rest duration on muscle activation  and  performance  during  resistance  training.  Fifteen  trained  men  were randomly  recruited  based  on  volunteerism  as  participants  of  this  study.  Participants were  instructed to perform three sets of bent-over row and biceps curl exercises with three  different   rest  intervals:  i)  60  seconds  (60s),  ii)  90  seconds  (90s)  and  iii)  120 seconds  (120s)   between  sets  in  a  randomized  crossover  design.  The  rest  interval between sets were  randomly performed in different days with a rest period of 72 hours. Each set was performed with 10  repetitions maximum loadings until fatigue. Muscle activation,  number  of  repetitions,  rating   of  perceived  exertion  (RPE)  and  heart  rate (HR) were analyzed using One Way Analysis of  Variance (ANOVA) with repeated measures.  Results  showed.....

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