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Anatomy- Cadaver Lab > Posterior Forearm And Hand > Flashcards

Posterior Forearm And Hand Flashcards

1
Q

Brachioradialis: Origin

A

Lateral supracondylar ridge of humerus

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2
Q

Brachioradialis: Insertion

A

Lateral distal end of radius

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3
Q

Brachioradialis: Action

A

Flex forearm

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4
Q

Brachioradialis: Innervation

A

Radial n.

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5
Q

Brachioradialis: Blood Supply

A

Branch of radial artery (namely-radial recurrent a.)

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6
Q

Extensor carpi radialis longus: Origin

A

Lateral supracondylar ridge of humerus

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7
Q

Extensor carpi radialis longus: Insertion

A

Base of second metacarpal

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8
Q

Extensor carpi radialis longus: Action

A

Extension of hand at wrist, abduction (radial abduction) of hand at wrist

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9
Q

Extensor carpi radialis longus: Innervation

A

Radial n.

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10
Q

Extensor carpi radialis longus: Blood Supply

A

Radial a.

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11
Q

Extensor carpi radialis brevis: Origin

A

Lateral epicondyle of humerus

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12
Q

Extensor carpi radialis brevis: Insertion

A

Base of third metacarpal

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13
Q

Extensor carpi radialis brevis: Action

A

Extend hand at wrist, abduction (radial abduction) of hand at wrist

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14
Q

Extensor carpi radialis brevis: Innervation

A

Radial n.

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15
Q

Extensor carpi radialis brevis: Blood Supply

A

Radial a.

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16
Q

Extensor digitorum: Origin

A

Lateral epicondyle of humerus

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17
Q

Extensor digitorum: Insertion

A

Middle and distal phalanges of digits 2-5

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18
Q

Extensor digitorum: Action

A

Extend all joints (MCP, PIP, DIP) of digits 2-5

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19
Q

Extensor digitorum: Innervation

A

Radial n.

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20
Q

Extensor digitorum: Blood Supply

A

Branches of ulnar a. (namely- interosseous recurrent a., posterior interosseous a.)

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21
Q

Extensor digiti minimi: Origin

A

Lateral epicondyle of humerus

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22
Q

Extensor digiti minimi: Insertion

A

Middle and distal phalanges of digit 5

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23
Q

Extensor digiti minimi: Action

A

Extend all joints (MCP, PIP, DIP) of digit 5

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24
Q

Extensor digiti minimi: Innervation

A

Radial n.

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25
Q

Extensor digiti minimi: Blood Supply

A

Branches of ulnar a. (namely-interosseous recurrent a.)

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26
Q

Extensor carpi ulnaris: Origin

A

Lateral epicondyle of humerus

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27
Q

Extensor carpi ulnaris: Insertion

A

Base of fifth metacarpal

28
Q

Extensor carpi ulnaris: Action

A

Extension and adduction (ulnar abduction) hand at wrist

29
Q

Extensor carpi ulnaris: Innervation

A

Radial n.

30
Q

Extensor carpi ulnaris: Blood Supply

A

Ulnar a.

31
Q

Supinator: Origin

A

Lateral epicondyle of humerus, supinator crest and fossa of ulna

32
Q

Supinator: Insertion

A

Proximal 1/3 of the radius

33
Q

Supinator: Action

A

Supination of the forearm

34
Q

Supinator: Innervation

A

Radial n.

35
Q

Supinator: Blood Supply

A

Branches of ulnar a. (namely- interosseous recurrent a.)

36
Q

Abductor Pollicis Longus: Origin

A

Posterior surfaces of radius and ulna

37
Q

Abductor Pollicis Longus: Insertion

A

Base of metacarpal I

38
Q

Abductor Pollicis Longus: Action

A

Abduction of thumb; extension of thumb

39
Q

Abductor Pollicis Longus: Innervation

A

Radial n.

40
Q

Abductor Pollicis Longus: Blood Supply

A

Branches of ulnar a. (namely- posterior interosseous a.)

41
Q

Extensor Pollicis Brevis: Origin

A

Posterior surface of radius

42
Q

Extensor Pollicis Brevis: Insertion

A

Base of proximal phalanx of thumb

43
Q

Extensor Pollicis Brevis: Action

A

Extension of proximal phalanx of thumb

44
Q

Extensor Pollicis Brevis: Innervation

A

Radial n.

45
Q

Extensor Pollicis Brevis: Blood Supply

A

Branches of ulnar a. (namely- posterior interosseous a.)

46
Q

Extensor Pollicis Longus: Origin

A

Posterior surface of ulna

47
Q

Extensor Pollicis Longus: Insertion

A

Base of distal phalanx of thumb

48
Q

Extensor Pollicis Longus: Action

A

Extension of distal phalanx of thumb

49
Q

Extensor Pollicis Longus: Innervation

A

Radial n.

50
Q

Extensor Pollicis Longus: Blood Supply

A

Branches of ulnar a. (namely- posterior interosseous a.)

51
Q

Extensor Indicis: Origin

A

Posterior surface of ulna

52
Q

Extensor Indicis: Insertion

A

Middle and distal phalanges of digit 2

53
Q

Extensor Indicis: Action

A

Extension of all joints (MCP, PIP, DIP) of digit 2

54
Q

Extensor Indicis: Innervation

A

Radial n.

55
Q

Extensor Indicis: Blood Supply

A

Branches of ulnar a. (namely- posterior interosseous a.)

56
Q

Dorsal interossei: Origin

A

Adjacent sides of two metacarpals (Dl:metacarpals 1 & 2; D2: metacarpals 2&3; D3: metacarpals 3 & 4; D4: metacarpals 4 &5)

57
Q

Dorsal interossei: Insertion

A

Extensor expansion tendons of digits 2,3,4

58
Q

Dorsal interossei: Action

A

Abduct digits 2,4; abduct digit 3 toward the radius or ulna

59
Q

Dorsal interossei: Innervation

A

Ulnar n.

60
Q

Dorsal interossei: Blood Supply

A

Dorsal and palmar metacarpal arteries

61
Q

Carpals- anterior. Thumb side toward pinky, start on the bottom

A

Bottom: Scaphoid, Lunate, Triquetrum, Pisiform
Top: Trapezium, Trapezoid, Capitate, Hamate
She Looks Too Pretty Try To Catch Her

62
Q

Extensor Pollicis Brevis: Origin

A

posterior surface of radius

63
Q

Extensor Pollicis Brevis: Origin

A

posterior surface of radius

64
Q

Extensor Pollicis Brevis: Insertion

A

base of proximal phalanx of thumb

65
Q

Extensor Pollicis Brevis: Action

A

extension of proximal phalanx of thumb

66
Q

Extensor Pollicis Brevis: Innervation

A

Radial n.

67
Q

Extensor Pollicis Brevis: Blood Supply

A

branches of ulnar a. (namely- posterior interosseous a.)

Anatomy- Cadaver Lab (9 decks)

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