BICEPS BRACHII - Long head: ORIGIN: Supraglenoid tuberosity INSERTION: Tuberosity of radius; bicipital aponeurosis to fascia of forearm ACTION: Flexes arm and forearm Short head: ORIGIN: Apex, coracoid process of scapula INSERTION: Tuberosity of radius; bicipital aponeurosis to fascia of forearm ACTION: Supinates hand