As Israetel explains, the brachialis—which is the primary target muscle being worked in hammer curls—does not contribute to supination like the biceps brachii do. "It does contribute to elbow ...

forward shoulder flexion and wrist supination motions. The biceps brachii muscles have two heads — short and long — and your elbow and shoulder positioning can influence how these muscles are ...

Introduction The biceps brachii muscle is the primary forearm supinator and ... and for bilateral elbow flexion and supination torque on a Biodex System 4 Pro dynamometer. Patient reported outcome ...