Brachial Group Flashcards by Nate Mitchell | Brainscape

Q

A

Coracobrachialis

Origin: coracoid process

Insertion: medial humerus (midshaft)

Action: Adducts and flexes humerus at the shoulder

Innervation: musculocutaneous nerve

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Q

A

Brachialis

Origin: anterior humerus

Insertion: coronoid process and ulnar tuberosity

Action: flexes forearm at the elbow

Innervation: musculocutaneous nerve

(most powerful)

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Q

A

Biceps Brachii

Origin:

long head: upper margin of glenoid fossa

short head: coracoid process

Insertion: radial tuberosity

Action: flexes forearm at elbow and supinates hand. Flexes humerus at shoulder

Innervation: musculocutaneous nerve

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