In this randomized crossover study , subjects performed 2 protocols separated by 2-week wash out periods : 1 ) resistance exercise only ( RE ) ( 3 sets 10 repetitions 80 % 1RM for 9 exercises ) ; and 2 ) WBV + RE ( side-alternating vibration platform 5 intermittent , 1-minute bouts 20 Hz , 3.38 mm peak-to-peak displacement followed by RE ) .