У вашего броузера проблема в совместимости с HTML5
workout:
(glute activation not recorded except abductors)
abductors w/resistance band: 3 sets of 15 reps
glute hip thrust w/resistance band: 3 sets of 12 reps
Bulgarian split squats: 3 sets of 15 reps per leg
bench crossovers w/barbell: 3 sets of 10 reps per leg
single leg leg press: 3 sets of 10 reps per leg
seated hamstring curl: 4 sets of 15 reps
deadlifts: 4 sets of 12 reps