Posterior Compartment of the Forearm Flashcards

1
Q

Brachioradialis origin?

A

Lateral epicondyle of humerus

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2
Q

Brachioradialis insertion?

A

Styloid process of radius

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3
Q

Brachioradialis action?

A

Flexes elbow

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4
Q

Brachioradialis innervation?

A

Radial n.

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5
Q

Extensor carpi radialis longus origin?

A

Lateral epicondyle of humerus

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6
Q

Extensor carpi radialis longus insertion?

A

Dorsal surface of metacarpal II

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7
Q

Extensor carpi radialis longus action?

A

Extends wrist, abducts hand

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8
Q

Extensor carpi radialis longus innervation?

A

Radial n.

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9
Q

Extensor carpi radialis brevis origin?

A

Lateral epicondyle of humerus

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10
Q

Extensor carpi radialis brevis insertion?

A

Doral surface of metacarpal III

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11
Q

Extensor carpi radialis brevis action?

A

Extends wrist, abducts hand

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12
Q

Extensor carpi radialis brevis innervation?

A

Radial n.

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13
Q

Extensor digitorum origin?

A

Lateral epicondyle of humerus

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14
Q

Extensor digitorum insertion?

A

Dorsal surface digits 2-5

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15
Q

Extensor digitorum action?

A

Extends wrist, extends digits 2-5

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16
Q

Extensor digitorum innervation?

17
Q

Extensor digiti minimi origin?

A

Lateral epicondyle of humerus

18
Q

Extensor digiti minimi insertion?

A

Dorsal surface digit 5

19
Q

Extensor digiti minimi action?

A

Extends 5th digit, extends wrist

20
Q

Extensor digiti minimi innervation?

21
Q

Extensor carpi ulnaris origin?

A

Lateral epicondyle of humerus

22
Q

Extensor carpi ulnaris insertion?

A

Dorsal surface of metacarpal V

23
Q

Extensor carpi ulnaris action?

A

Extends wrist, adducts hand

24
Q

Extensor carpi ulnaris innervation?

25
Anconeus origin?
Lateral epicondyle of humerus
26
Anconeus insertion?
Olecranon of ulna
27
Anconeus action?
Extends elbow
28
Anconeus innervation?
Radial n.
29
Supinator (deep muscle) origin?
Lateral epicondyle of humerus, proximal ulna
30
Supinator (deep muscle) insertion?
Proximal 1/3 radius
31
Supinator (deep muscle) action?
Supinates forearm
32
Supinator (deep muscle) innervation?
Radial n.