Muscles of anterior compartment of arm Flashcards
origin of biceps brachii
long head - supraglenoid tubercle
short head - coracoid process
insertion of biceps brachii
radial tuberosity of humerus
innervation of biceps brachii, brachialis and coracobrachalis
musculocutaneous nerve C5, C6
action of biceps brachii
supination of forearm
flexion of arm at elbow and shoulder
origin of brachialis
medial and lateral surfaces of the humeral shaft
insertion of brachialis
tuberosity of ulna
action of brachialis
flexion at elbow
origin of coracobrachialis
coracoid process
insertion of coracobrachialis
medial side of humeral shaft at level of deltoid tubercle
action of coracobrachialis
flexor at shoulder
what are the superficial muscles in the anterior compartment of the forearm?
pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris
origin of pronator teres
medial epicondyle
coronoid process of ulna
origin of flexor carpi radialis
medial epicondyle
origin of palmaris longus
medial epicondyle
origin of flexor carpi ulnaris
medial epicondyle and ulna
insertion of pronator teres
laterally to mid shaft of radius
insertion of flexor carpi radialis
base of metacarpals II and III
insertion of palmaris longus
flexor retinaculum of wrist
insertion of flexor carpi ulnaris
pisiform carpal bone
innervation of pronator teres, flexor carpi radialis and palmaris longus
median nerve
innervation of flexor carpi ulnaris
ulnar nerve
action of pronator teres
pronates and flexes the forearm
action of flexor carpi radialis
flexion and abduction at wrist
action of palmaris longus
flexion at wrist