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Flashcards in Muscles of the Forearm Deck (83)
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1
Q

O of Brachioradialis m.

A

Lateral border of distal end of humerus

2
Q

I of Brachioradialis m.

A

Superior to styloid process of radius

3
Q

Action of Brachioradialis m.

A

Flexion of forearm at elbow jnt.

4
Q

Innervation of Brachioradialis m.

A

Radial n.

5
Q

O of Pronator teres m.

A

Medial epicondyle of humerus and coronoid process of ulna

6
Q

I of Pronator teres m.

A

Mid-lateral shaft of radius

7
Q

Action of Pronator teres m.

A

Pronation of forearm at radio-ulnar jnt, & flexion of forearm at elbow jnt.

8
Q

Innervation of Pronator teres m.

A

Median n.

9
Q

O of Flexi carpi radialis m.

A

Medial epicondyle of humerus

10
Q

I of Flexi carpi radialis m.

A

Base of 2nd and 3rd metacarpal

11
Q

Action of of Flexi carpi radialis m.

A

FLexion & abduction (radial deviation ) of hand and wrist at wrist jnt.

12
Q

Innervation of Flexi carpi radialis m.

A

Median n.

13
Q

Origin of Palmaris longus m.

A

Medial epicondyle of humerus

14
Q

I of Palmaris longus m.

A

FLexor retinaculum & palmar aponeurosis

15
Q

Action of Palmaris longus m.

A

Tenses plamar aponeurosis, flexion of hand at wrist jnt.

16
Q

Innervation of Palmaris longus m.

A

Median n.

17
Q

O of FLexi carpi ulnaris m.

A

Medial epicondyle of humerus

18
Q

I of FLexi carpi ulnaris m.

A

Pisiform, hook of hamate & base of 5th metacarpal

19
Q

Action of FLexi carpi ulnaris m.

A

Flexion & adduction (ulnar deviation) of hand at wrist jnt.

20
Q

Innervation of FLexi carpi ulnaris m.

A

Ulnar n.

21
Q

What is on the 2nd layer of the forearm ?

A

Flexor digitorum superficialis m.

22
Q

O of Flexor digitorum superficialis m.

A

Medial epicondyle of humerus, proximal radius & ulna

23
Q

I of Flexor digitorum superficialis m.

A

Middle phalanx of digits 2-5

24
Q

Action of Flexor digitorum superficialis m.

A

Flexion of middle phalanges of digits 2-5, flexion of hand at wrist jnt.

25
Q

Innervation of Flexor digitorum superficialis m.

A

Median n.

26
Q

What is on the 3rd layer ?

A

Flexor digitorum profundus & Flexor pollicis longus

27
Q

O of Flexor digitorum profundus m.

A

Anterior medial surface of shaft of ulna & interosseous membrane

28
Q

I of Flexor digitorum profundus m.

A

Base of digital phalanges digits 2-5

29
Q

Action of Flexor digitorum profundus m.

A

Flexion of distal phalanges of digits 2-5 & flexion of hand at wrist jnt.

30
Q

Innervation of Flexor digitorum profundus m.

A

Median & ulnar n.

31
Q

O of Flexor pollicis longus m.

A

Anterior surface of radius &interosseous membrane

32
Q

I of Flexor pollicis longus m.

A

Base of distal phalanx of thumb

33
Q

Action of Flexor pollicis longus m.

A

Flexion of distal phalanx of thumb

34
Q

Innervation of Flexor pollicis longus m.

A

Median n.

35
Q

What is on the 4th layer ?

A

Pronator quadratus

36
Q

O of Pronator quadratus m.

A

Distal shaft of ulna

37
Q

I of Pronator quadratus m.

A

Distal shaft of radius

38
Q

Action of Pronator quadratus m.

A

Pronation of forearm at radio-ulnar jnt.

39
Q

Innervation of Pronator quadratus m.

A

Median n.

40
Q

O of Extensor carpi radialis longus m.

A

Lateral supracondylar ridge of humerus

41
Q

I of Extensor carpi radialis longus m.

A

Base of 2nd metacarpal

42
Q

Action of Extensor carpi radialis longus m.

A

Extension and abduction of hand wrist jnt.

43
Q

Innervation of Extensor carpi radialis longus m.

A

Radial n.

44
Q

O of Extensor carpi radialis brevis m.

A

Lateral epicondyle of humerus

45
Q

I of Extensor carpi radialis brevis m.

A

Base of 3rd metacarpal

46
Q

Action of Extensor carpi radialis brevis m.

A

Extension and abduction of hand at wrist jnt.

47
Q

Innervation of Extensor carpi radialis brevis m.

A

Radial n.

48
Q

O of Extensor digitorum m.

A

Lateral epicondyle of humerus

49
Q

I of Extensor digitorum m.

A

Middle & distal phalanges of digits 2-5

50
Q

Action of Extensor digitorum m.

A

Extension of digits 2-5 & exentsion of hand at wrist jnt.

51
Q

Innervation of Extensor digitorum m.

A

Radial n.

52
Q

O of Extensor digiti minimi m.

A

Lateral epicondyle of humerus

53
Q

I of Extensor digiti minimi m.

A

Tendon of extensor digitorum on 5th phalanx

54
Q

Action of Extensor digiti minimi m.

A

Extension of 5th digit

55
Q

Innervation of Extensor digiti minimi m.

A

Radial n.

56
Q

O of Extensor carpi ulnaris m.

A

Lateral epicondyle of humerus & posterior border of ulna

57
Q

I of Extensor carpi ulnaris m.

A

Base of 5th metarcarpal

58
Q

Action of Extensor carpi ulnaris m.

A

Extension & adduction (ulnar deviation ) of hand at wrist jnt.

59
Q

Innervation of Extensor carpi ulnaris m.

A

Radial n.

60
Q

O of Anconeus m.

A

Lateral epicondyle of humerus

61
Q

I of Anconeus m.

A

Olecranon of ulna

62
Q

Action of Anconeus m.

A

Extension of forearm at elbow jnt.

63
Q

Innervation of Anconeus m.

A

Radial n.

64
Q

O of Supinator m.

A

Lateral epicondyle of humerus

65
Q

I of Supinator m.

A

Lateral proximal 1/3 of radius

66
Q

Action of Supinator m.

A

Supination of forearm at radio-ulnar jnts.

67
Q

Innervation of Supinator m.

A

Radial n.

68
Q

O of Abductor pollicis longus m.

A

Posterior middle surface of radius and ulna & interosseous membrane

69
Q

I of Abductor pollicis longus m.

A

Base of 1st metacarpal

70
Q

Action of Abductor pollicis longus m.

A

Abduction and extension of thumb & abduction of hand at wrist jnt.

71
Q

Innervation of Abductor pollicis longus m.

A

Radial n.

72
Q

O of Extensor pollicis brevis m.

A

Posterior middle surface of radius & interosseous membrane

73
Q

I of Extensor pollicis brevis m.

A

Base of proximal phalanx of thumb

74
Q

Action of Extensor pollicis brevis m.

A

Extension of proximal phalanx of thumb, extension of 1st metacarpal & abduction of hand at wrist jnt.

75
Q

Innervation of Extensor pollicis brevis m.

A

Radial n.

76
Q

O of Extensor pollicis longus m.

A

Posterior middle surface of ulna & interosseous membrane

77
Q

I of Extensor pollicis longus m.

A

Base of distal phalanx of thumb

78
Q

Action of Extensor pollicis longus m.

A

Extension of distal phalanx of thumb, extension of 1st metacarpal and abduction of hand at wrist jnt.

79
Q

Innervation of Extensor pollicis longus m.

A

Radial n.

80
Q

O of Extensor indicis m.

A

Posterior middle surface of ulna & interosseous membrane

81
Q

I of Extensor indicis m.

A

Blends into tendon of extensor digitorum of 2nd digit

82
Q

Action of Extensor indicis m.

A

Extension of index finger & extension of hand at wrist jnt.

83
Q

Innervation of Extensor indicis m.

A

Radial n.