Here's what bicep muscles are – plus how to get them ... The purpose of the biceps is to flex the upper arm and help with forearm supination. "Flexing is when you move your forearm toward ...

The muscle's actions vary dependent on the position of forearm ... In full pronation, the ECU tendon exits the wrist in a straight direction. In forearm supination, the tendon exits the sixth ...

Introduction The biceps brachii muscle is the primary forearm supinator and a secondary elbow flexor. The pathophysiology of distal tendon ruptures is still unclear. Patients with chronic rupture ...