Petreycik recommends completing two to four sets of eight to 25 repetitions per exercise.
Petreycik recommends completing two to four sets of eight to 25 repetitions per exercise. The weight you choose and the number of reps depends on your goal, but you should always be able to maintain proper form, he adds. To increase muscle size and strength, he suggests aiming to max out around six to eight reps. For muscle endurance, aim for 12 to 25 reps.