Upper Extremity Myology: Muscles of the Arm: Anterior Compartment Flashcards
1
Q
Biceps brachii m.
A
Insertion: Radial tuberosity, ante-brachial fascia
Action: Flex humerus and forearm, supinate forearm, short head resists shoulder dislocation
Innervation: Musculocutaneous n.
Blood Supply: Brachial a.
2
Q
Brachialis m.
A
I: Coronoid process and tuberosity of ulna
A: Flex elbow
N: Musculocutaneous n.
Blood Supply: Brachial a. and recurrent radial a.
3
Q
Coracobrachialis m.
A
I: Middle 1/3 of medial surface of humerus
A: Supinate and flex forearm
N: Musculocutaneous n.
Blood Supply: Brachial a.