Posterior Compartment of the Forearm Flashcards by Claire Groff

Q

Brachioradialis origin?

A

Lateral epicondyle of humerus

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Q

Brachioradialis insertion?

A

Styloid process of radius

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Q

Brachioradialis action?

A

Flexes elbow

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Q

Brachioradialis innervation?

A

Radial n.

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Q

Extensor carpi radialis longus origin?

A

Lateral epicondyle of humerus

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Q

Extensor carpi radialis longus insertion?

A

Dorsal surface of metacarpal II

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Q

Extensor carpi radialis longus action?

A

Extends wrist, abducts hand

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Q

Extensor carpi radialis longus innervation?

A

Radial n.

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Q

Extensor carpi radialis brevis origin?

A

Lateral epicondyle of humerus

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Q

Extensor carpi radialis brevis insertion?

A

Doral surface of metacarpal III

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Q

Extensor carpi radialis brevis action?

A

Extends wrist, abducts hand

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Q

Extensor carpi radialis brevis innervation?

A

Radial n.

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Q

Extensor digitorum origin?

A

Lateral epicondyle of humerus

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Q

Extensor digitorum insertion?

A

Dorsal surface digits 2-5

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Q

Extensor digitorum action?

A

Extends wrist, extends digits 2-5

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Q

Extensor digitorum innervation?

A

Radial n.

Q

Extensor digiti minimi origin?

A

Lateral epicondyle of humerus

Q

Extensor digiti minimi insertion?

A

Dorsal surface digit 5

Q

Extensor digiti minimi action?

A

Extends 5th digit, extends wrist

Q

Extensor digiti minimi innervation?

A

Radial n.

Q

Extensor carpi ulnaris origin?

A

Lateral epicondyle of humerus

Q

Extensor carpi ulnaris insertion?

A

Dorsal surface of metacarpal V

Q

Extensor carpi ulnaris action?

A

Extends wrist, adducts hand

Q

Extensor carpi ulnaris innervation?

A

Radial n.

Anconeus origin?

Lateral epicondyle of humerus

Anconeus insertion?

Olecranon of ulna

Anconeus action?

Extends elbow

Anconeus innervation?

Radial n.

Supinator (deep muscle) origin?

Lateral epicondyle of humerus, proximal ulna

Supinator (deep muscle) insertion?

Proximal 1/3 radius

Supinator (deep muscle) action?

Supinates forearm

Supinator (deep muscle) innervation?

Radial n.