Performing the: A Step-by-Step Tutorial Dumbbell Preacher Curl
Position your right upper arm and elbow on top of the preacher bench pad while making sure your arm is fully extended, this is your starting position.
Curl the dumbbell while contracting your biceps, keep the movement controlled and only your forearm should move, your upper arm should remain stationary on the bench.
Continue to curl the dumbbell until your biceps are fully contracted and the dumbbell is at shoulder level, hold the contracted position for a brief moment as you squeeze your biceps.
Slowly begin to bring the dumbbell back to the starting position as your breathe in, repeat for the recommended amount of repetitions and then switch arms.