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Clinical Anatomy I > Posterior Forearm Muscles > Flashcards

Posterior Forearm Muscles Flashcards

1
Q

Brachioradialis (attachments)

A

Lateral supracondylar ridge to styloid of the radius

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2
Q

Brachioradialis (actions)

A

Elbow flexion

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3
Q

Brachioradialis (innervation)

A

Radial nerve (C5-6)

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4
Q

Extensor Carpi Radialis Longus (attachments)

A

Lateral supracondylar ridge to base of 2nd metacarpal

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5
Q

Extensor Carpi Radialis Longus (actions)

A

Extend & radial deviation of hand @ wrist & assists in elbow flexion

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6
Q

Extensor Carpi Radialis Longus (innervation)

A

Radial nerve (C6-8)

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7
Q

Extensor Carpi Radialis Brevis (attachment)

A

Lateral epicondyle to base of 3rd metacarpal

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8
Q

Extensor Carpi Radialis Brevis (actions)

A

Extend & radial deviation of hand @ wrist

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9
Q

Extensor Carpi Radialis Brevis (innervation)

A

Radial nerve (C6-8)

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10
Q

Extensor Digitorum (attachments)

A

Lateral epicondyle to extensor expansion of digits 2-5

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11
Q

Extensor Digitorum (innervation)

A

Radial nerve (C6-8)

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12
Q

Extensor Digiti Minimi (attachment)

A

Lateral epicondyle to digital expansion of 5th digit

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13
Q

Extensor Digiti Minimi (actions)

A

Extend 5th digit @ MCP & IP

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14
Q

Extensor Digiti Minimi (innervation)

A

Radial nerve (C7-8)

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15
Q

Extensor Carpi Ulnaris (attachment)

A

Lateral epicondyle to base of 5th metacarpal

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16
Q

Extensor Carpi Ulnaris (action)

A

Extends & ulnar deviation @wrist

17
Q

Extensor Carpi Ulnaris (innervation)

A

Radial nerve (C6-8)

18
Q

Supinator (attachment)

A

Lateral epicondyle, RCL & supinator crest of ulna to lateral surface of proximal radius

19
Q

Supinator (action)

A

Supinate forearm

20
Q

Supinator (innervation)

A

Radial nerve (C5-6)

21
Q

Extensor Indicis (attachment)

A

Posterior surface of ulna & interosseous membrane to digital expansion of 2nd digit

22
Q

Extensor Indicis (action)

A

Extends 2nd digit @ MCP & IP

23
Q

Extensor Indicis (innervation)

A

Radial nerve (C7-8)

24
Q

Abductor Pollicis Longus (attachment)

A

Proximal posterior radius, ulna & interosseous membrane to base of 1st metacarpal & trapezium

25
Q

Abductor Pollicis Longus (actions)

A

Abducts & extends thumb @ CMC joint and radial deviation

26
Q

Abductor Pollicis Longus (innervation)

A

Radial nerve (C6-8)

27
Q

Extensor Pollicis Brevis (attachments)

A

Posterior radial surface & interosseous membrane to base of 1st proximal phalanx

28
Q

Extensor Pollicis Brevis (action)

A

Extends thumb (MCP), extends & abducts @ CMC joint

29
Q

Extensor Pollicis Brevis (innervation)

A

Radial nerve (C6-8)q

30
Q

Extensor Pollicis Longus (attachments)

A

Middle 1/3 of posterior surface of ulna & interosseous membrane to the base of 1st distal phalanx

31
Q

Extensor Pollicis Longus (action)

A

Extend thumb @ CMC, MCP & IP

32
Q

Extensor Pollicis Longus (innervation)

A

Radial nerve (C6-8)

Clinical Anatomy I (12 decks)

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