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Muscles of Posterior Compartment of Forearm > Deep layer > Flashcards

Deep layer Flashcards

0
Q

What is the distal attachment of supinator?

A

lateral, posterior, and anterior surfaces of proximal third of radius

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1
Q

What is the proximal attachment of supinator?

A

lateral epicondyle of humerus; radial collateral and anular ligaments; supinator fossa; crest of ulna

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2
Q

What innervates supinator?

A

deep branch of radial nerve (C7, C8)

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3
Q

What are the main actions of supinator?

A

supinates forearm; rotates radius to turn palm anteriorly or superiorly (if elbow is flexed)

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Muscles of Posterior Compartment of Forearm (3 decks)

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