Muscles of the Antebrachium (Posterior Compartment) Flashcards by Emily Worley | Brainscape

Q

brachioradialis proximal attachment

A

lateral supracondylar ridge

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Q

brachioradialis distal attachment

A

styloid process of radius

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Q

brachioradialis actions

A

supination of forearm at radioulnar joint

elbow flexion

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Q

brachioradialis innervations

A

radial nerve (C5,C6,C7)

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Q

extensor carpi radialis longus proximal attachment

A

lateral supracondylar ridge

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Q

extensor carpi radialis longus distal attachment

A

base of 2nd metacarpal

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Q

extensor carpi radialis longus actions

A

wrist extension, ABD

weak elbow extension

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Q

extensor carpi radialis longus innervations

A

radial nerve (C6,C7)

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Q

extensor carpi radialis brevis proximal attachment

A

lateral epicondyle

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Q

extensor carpi radialis brevis distal attachment

A

base of 3rd metacarpal

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Q

extensor carpi radialis brevis actions

A

wrist extension, ABD

weak elbow extension

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Q

extensor carpi radialis brevis innervations

A

radial nerve (C7,C8)

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Q

extensor digitorum proximal attachment

A

lateral epicondyle

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Q

extensor digitorum distal attachment

A

extensor expansion of digits 2-5

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Q

extensor digitorum actions

A

extension of wrist and digits

weak elbow extension

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Q

extensor digitroum innervations

A

radial nerve (C7,C8)

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Q

extensor carpi ulnaris proximal attachment

A

lateral epicondyle

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Q

extensor carpi ulnaris distal attachment

A

base of 5th metacarpal

Q

extensor carpi ulnaris actions

A

wrist extension, ADD

weak elbow extension

Q

extensor carpi ulnaris innervations

A

radial nerve (C7,C8)

Q

extensor digiti minimi proximal attachment

A

lateral epicondyle

Q

extensor digiti minimi distal attachment

A

extensor expansion of digit 5

Q

extensor digiti minimi actions

A

wrist extension, ADD
extension of digit 5
weak elbow extension

Q

extensor digiti minimi innervations

A

radial nerve (C7,C8)

Q

supinator proximal attachment

A

lateral epicondyle of humerus and proximal ulna

Q

supinator distal attachment

A

proximal radius

Q

supinator actions

A

supination of forearm at radioulnar joint

Q

supinator innervations

A

radial nerve (C7,C8)

Q

extensor indicis proximal attachment

A

radius, ulna, interosseous membrane

Q

extensor indicis distal attachment

A

extensor expansion of digit 2

Q

extensor indicis actions

A

extension of wrist and digit 2

Q

extensor indicis innervations

A

radial nerve (C7,C8)

Q

abductor pollicis longus proximal attachment

A

radius, ulna, interosseous membrane

Q

abductor pollicis longus distal attachment

A

lateral base of 1st metacarpal

Q

abductor pollicis longus actions

A

thumb ABD

wrist extension, ABD

Q

abductor pollicis longus innervations

A

radial nerve (C7,C8)

Q

extensor pollicis longus proximal attachment

A

radius, ulna, interosseous membrane

Q

extensor pollicis longus distal attachment

A

extensor expansion of digit 1

Q

extensor pollicis longus actions

A

wrist extension, ABD

thumb extension

Q

extensor pollicis longus innervations

A

radial nerve (C7,C8)

Q

extensor pollicis brevis proximal attachment

A

radius, ulna, interosseous membrane

Q

extensor pollicis brevis distal attachment

A

extensor expansion of digit 1

Q

extensor pollicis brevis actions

A

wrist extension, ABD

thumb extension

Q

extensor pollicis brevis innervations

A

radial nerve (C7,C8)