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MSK Anatomy > Anterior Arm > Flashcards

Anterior Arm Flashcards

1
Q

What are the muscles in the anterior arm? (3)

A

Biceps brachii
Coracobrachialis
Brachialis

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2
Q

What is the innervation of the anterior arm muscles?

A

Musculocutaneous nerve C5 C6

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3
Q

What is the origin and insertion of the biceps brachii?

A

Origin: long head - supraglenoid tubercle of scapula
short head - corocoid process of scapula
Insertion: tendon attaches to tuberosity of radius

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4
Q

What is the bicipital aponeurosis?

A

Connective tissue sheath that extends from the bicep tendon over the cubital fossa

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5
Q

What is the action of the biceps brachii?

A

Flexes elbow
Supinates forearm

i.e. opens your wine bottle!!!!

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6
Q

What is the origin and insertion of coracobrachialis?

A

Origin: Coracoid process
Insertion: Humerus

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7
Q

What is the origin and insertion of brachialis?

A

Origin: Humerus
Insertion: Coronoid process of ulna

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MSK Anatomy (21 decks)

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