Arm Flashcards
origin of bicep brachii
short head - coracoid process of scapula
long head - supraglenoid tubercle of scapula
insertion of bicep brachii
tuberosity of the radius and aponeurosis of the bicep brachii
action of bicep brachii
flex the elbow, supinate the forearm, flex the shoulder
innervation of bicep brachii
musculocutaneous nerve C5 - C6
origin of brachialis
distal half of anterior surface of humerus
insertion of brachialis
tuberosity and coronoid process of ulna
action of brachialis
flex the elbow
innervation of brachialis
musculocutaneous nerve, small branch from radial nerve C5 - C6
origin of coracobrachialis
coracoid process of the scapula
insertion of coracobrachialis
medial surface of mid-humeral shaft
action of coracobrachialis
flex the shoulder, adduct the shoulder
innervation of coracobrachialis
musculocutaneous nerve C6 - C7
origin of triceps brachii
long head - infraglenoid tubercle of the scapula
lateral head - posterior surface of proximal half of the humerus
medial head - posterior surface of distal half of the humerus
insertion of triceps brachii
olecranon process of the ulna
action of triceps brachii
all heads - extend the elbow
long head - extend the shoulder, adduct the shoulder