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.

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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.

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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.

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