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Physiotherapy Year 1 Muscles > Hand/Wrist > Flashcards

Hand/Wrist Flashcards

1
Q

origin of extensor digitorum

A

lateral condyle of humerus

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2
Q

insertion of extensor digitorum

A

dorsal base of fingers 2-5

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3
Q

action of the extensor digitorum

A

extensor

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4
Q

origin of extensor carpi ulnaris

A

lateral epicondyle of humerus

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5
Q

insertion of extensor carpi ulnaris

A

medial aspect of base of 5th metacarpal bone

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6
Q

action of extensor carpi ulnaris

A

extensor
ulnar deviator

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7
Q

origin of extensor carpi radialis brevis

A

lateral epicondyle of humerus

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8
Q

insertion of extensor carpi radialis brevis

A

dorsal aspect of base of 3rd metacarpal bone

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9
Q

action of extensor carpi radialis brevis

A

extensor
radial deviator

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10
Q

origin of extensor carpi radialis longus

A

inferior 1/3 lateral supracondylar ridge of humerus

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11
Q

insertion of extensor carpi radialis longus

A

dorsal base of 2nd metacarpal bone

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12
Q

action of extensor carpi radialis longus

A

extensor
radial deviator

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13
Q

origin of extensor indicis

A

posterior distal 1/3 ulna
adjacent interosseous membrane

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14
Q

insertion of extensor indicis

A

extensor expansion of index finger

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15
Q

action of extensor indicis

A

extensor

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16
Q

origin of flexor carpi radialis

A

medial epicondyle of humerus

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17
Q

insertion of flexor carpi radialis

A

palmar aspect of base of 2nd and 3rd metacarpal bones

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18
Q

action of flexor carpi radialis

A

flexor
radial deviator

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19
Q

origin of palmaris longus

A

medial epicondyle of humerus

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20
Q

insertion of palmaris longus

A

palmar aponeurosis
flexor retinaculum

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21
Q

action of palmaris longus

A

flexor

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22
Q

origin of flexor carpi ulnaris

A

medial epicondyle of humerus

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23
Q

insertion of flexor carpi ulnaris

A

pisiform, hamate, palmar aspect of base of 5th metacarpal bone

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24
Q

action of flexor carpi ulnaris

A

flexor
ulnar deviator

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25
Q

origin of flexor digitorum superficialis

A

medial epicondyle of humerus

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26
Q

insertion of flexor digitorum superficialis

A

palmar aspects of bodies of middle phalanges of fingers 2-5

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27
Q

action of flexor digitorum superficialis

A

flexor

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28
Q

origin of flexor digitorum profundus

A

coronoid process of ulna

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29
Q

insertion of flexor digitorum profundus

A

palmar base of distal phalanges of fingers 2-5

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30
Q

action of flexor digitorum profundus

A

flexor

31
Q

origin abductor pollicis longus

A

posterior proximal ulna
middle 1/3 radius

32
Q

insertion of abductor pollicis longus

A

lateral aspect of base of 1st metacarpal bone

33
Q

action of abductor pollicis longus

A

abductor
extensor

34
Q

origin of extensor pollicis longus

A

posterior surface of middle ulna
adjacent interosseous membrane

35
Q

insertion of extensor pollicis longus

A

dorsal base of distal phalanx of thumb

36
Q

action of extensor pollicis longus

A

extensor

37
Q

origin of extensor pollicis brevis

A

posterior distal 1/2 radius
adjacent interosseous membrane

38
Q

insertion of extensor pollicis brevis

A

dorsal base of proximal phalanx of thumb

39
Q

action of extensor pollicis brevis

A

extensor

40
Q

origin of abductor pollicis brevis

A

tubercles of scaphoid and trapezium

41
Q

insertion of abductor pollicis brevis

A

lateral aspect of base of proximal phalanx of thumb

42
Q

action of abductor pollicis brevis

A

adductor

43
Q

origin of flexor pollicis brevis

A

tubercle of trapezium bone
palmar capitate and trapezoid bones

44
Q

insertion of flexor pollicis brevis

A

lateral aspect of base of proximal phalanx of thumb

45
Q

action of flexor pollicis brevis

A

flexor

46
Q

origin of opponens pollicis

A

tubercle of trapezium bone

47
Q

insertion of opponens pollicis

A

anterolateral aspect of 1st metacarpal bone

48
Q

action of opponens pollicis

A

opposes

49
Q

origin of adductor pollicis

A

palmar aspects of capitate bone

50
Q

insertion of adductor pollicis

A

medial aspect of base of proximal phalanx of thumb

51
Q

action of adductor pollicis

A

adductor

52
Q

origin of lumbricals

A

1 - radial side + palmar surface of tendon of index finger
2 - radial side + palmar surface of tendon of middle finger
3 - ulnar side + middle finger tendon + radial side of ring finger tendon
4 - ulnar side of ring finger tendon + radial side of little finger tendon

53
Q

insertion of lumbricals

A

radial aspect of the extensor hood of each digit

54
Q

origin of dorsal interossei

A

adjacent side of metacarpal bones 1-5

55
Q

insertion of dorsal interossei

A

1+2 - radial base of proximal phalanges of 2-3
3+4 - ulnar base of proximal phalanges of 3-4

56
Q

action of dorsal interossei

A

metacarpophalangeal = finger abduction + flexion
interphalangeal = finger extension

57
Q

origin of palmar interossei

A

ulnar side of metacarpal bone 2
radial side of metacarpal bones 4+5

58
Q

insertion of palmar interossei

A

1 = ulnar base of proximal phalanx
extensor expansion of digit 2
2+3 = radial base of proximal phalanges/extensor expansions of digits 4+5

59
Q

action of palmar interossei

A

adductor
flexor

60
Q

origin of abductor digiti minimi

A

pisiform bone

61
Q

insertion of abductor digiti minimi

A

medial aspect of base of proximal phalanx of little finger

62
Q

action of abductor digiti minimi

A

abductor

63
Q

origin of flexor digiti minimi

A

hook of hamate bone

64
Q

insertion of flexor digiti minimi

A

medial aspect of base of proximal phalanx of little finger

65
Q

action of flexor digiti minimi

A

flexor

66
Q

origin of opponens digiti minimi

A

hook of hamate bone

67
Q

insertion of opponens digiti minimi

A

medial aspect of 5th metacarpal bone

68
Q

action of opponens digiti minimi

A

opposes little finger towards thumb

69
Q

origin of extensor digiti minimi

A

lateral epicondyle of humerus

70
Q

insertion of extensor digiti minimi

A

extensor expansion of little finger

71
Q

action of extensor digiti minimi

A

extensor

72
Q

origin of flexor pollicis longus

A

anterior radius
adjacent interosseous membrane

73
Q

insertion of flexor pollicis longus

A

palmar aspect of base of distal phalanx of thumb

74
Q

action of flexor pollicis longus

A

flexor

Physiotherapy Year 1 Muscles (8 decks)

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