3 sets 8 reps meaning July 8, 2019 16 32 64 128 3 sets 8 12 reps meaning 3 sets x 8 reps meaning 3 sets of 8 10 reps meaning 3 4 sets of 8 12 reps meaning 2 3 sets of 8 12 reps meaning 3 sets 30 reps meaning 3 sets 20 reps meaning 3 sets of 15 reps meaning 3 sets means