The exercise seated hammer curl primarily works the muscles Biceps brachii and secondarily works the muscles Forearm, Biceps.

Proper position Position yourself in a sitting position with your knees unlocked. Hold a pair of dumbbells in your hands in hammer position, your arms straight. Movement Practice bending your forearms. Practice an extension of your forearms. Breathing Inhale into the flexion. Expires in the expansion.

Proper position Position yourself in a sitting position with your knees unlocked. Hold a pair of dumbbells in your hands in hammer position, your arms straight. Movement Practice bending your forearms. Practice an extension of your forearms. Breathing Inhale into the flexion. Expires in the expansion.