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.

Q

Anconeus origin?

A

Lateral epicondyle of humerus

Q

Anconeus insertion?

A

Olecranon of ulna

Q

Anconeus action?

A

Extends elbow

Q

Anconeus innervation?

A

Radial n.

Q

Supinator (deep muscle) origin?

A

Lateral epicondyle of humerus, proximal ulna

Q

Supinator (deep muscle) insertion?

A

Proximal 1/3 radius

Q

Supinator (deep muscle) action?

A

Supinates forearm

Q

Supinator (deep muscle) innervation?

A

Radial n.