Concentration Curls
Main Muscle : Biceps
Other Muscle : None
1. Sit on a bench and spread your legs apart into slightly wider that shoulder width to get a good stability. Hold a dumbbell in on hand with your palm facing forward and your arm resting to your leg. Use your leg only to remain position , do not press against your legs.
2. Slowly curl the dumbbell up while keeping the torso and upper arm locked. Squeeze the muscle at the top and then slowly return.
