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Musculoskeletal Anatomy Diagrams Hard Version > Muscles of the Upper Limb - Posterior Forearm > Flashcards

Muscles of the Upper Limb - Posterior Forearm Flashcards

1
Q

Name muscle A

A

A - Abductor pollicis longus

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2
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus

Insertion - Olecranon and proximal posterior surface of ulna

A - Anconeus

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3
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor carpi ulnaris

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4
Q

Name muscle A

A

A - Extensor digiti minimi

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5
Q

What is the function of muscle A?

A
  1. Extension at interphalangeal joint of thumb
  2. Extension at carpometacarpal joints of thumb

A - Extensor pollicis longus

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6
Q

Name muscle A

A

A - Extensor carpi radialis brevis

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7
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus and adjacent intermuscular septum

Insertion - Base of metacarpals 2 and 3 (dorsal surfaces)

A - Extensor carpi radialis brevis

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8
Q

What is the function of muscle A?

A

Extension of little finger

A - Extensor digiti minimi

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9
Q

What is the function of muscle A?

A

Extension of index finger

A - Extensor indicis

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10
Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7)

This is before the division into superficial and deep branches

A - Extensor carpi radialis longus

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11
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus, radial collateral and anular ligaments (superficial aspect of muscle); Supinator crest of ulna (deep aspect of muscle)

Insertion - Radius (lateral surface superior to anterior oblique line)

A - Supinator

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12
Q

Name muscle A

A

A - Supinator

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13
Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7, C8)

A - Anconeus

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14
Q

Name muscle A

A

A - Anconeus

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15
Q

Name muscle A

A

A - Anconeus

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16
Q

Name muscle A

A

A - Extensor digitorum

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17
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis longus

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18
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor digitorum

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19
Q

Name muscle A

A

A - Extensor pollicis brevis

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20
Q

Name muscle A

A

A - Brachioradialis

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21
Q

What are the origin and insertion sites for muscle A?

A

Origin - Radius (posterior surface distal to abductor pollicis longus) and adjacent interosseous membrane

Insertion - Base of proximal phalanx of thumb (dorsal surface)

A - Extensor pollicis brevis

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22
Q

Name muscle A

A

A - Extensor pollicis brevis

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23
Q

Name muscle A

A

A - Extensor carpi ulnaris

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24
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Abductor pollicis longus

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25
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis brevis

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26
Q

What is the innervation of muscle A?

A

Deep branch of radial nerve (C7, C8)

A - Extensor carpi radialis brevis

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27
Q

Name muscle A

A

A - Brachioradialis

28
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus and posterior border of ulna

Insertion - Tubercle at base of metacarpal 5 or “little finger” (medial side)

A - Extensor carpi ulnaris

29
Q

What is the function of muscle A?

A
  1. Extension of wrist
  2. Adduction of wrist

A - Extensor carpi ulnaris

30
Q

What are the origin and insertion sites for muscle A?

A

Origin - Ulna (posterior surface distal to adbductor pollicis longus) and adjacent interosseous membrane

Insertion - Base of distal phalanx of thumb (dorsal surface)

A - Extensor pollicis longus

31
Q

What is the function of muscle A?

A
  1. Extension of wrist
  2. Abduction of wrist

A - Extensor carpi radialis longus

32
Q

What are the origin and insertion sites for muscle A?

A

Origin - Supraepicondylar ridge of humerus (proximal/lateral aspect) and adjacent intermuscular septum

Insertion - Distal end of radius (lateral surface)

A - Brachioradialis

33
Q

Name muscle A

A

A - Brachioradialis

34
Q

Name nerves A and B

A

A - Deep branch of radial nerve

B - Superficial branch of radial nerve

35
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus and adjacent intermuscular septum (together with extensor digitorum)

Insertion - Extensor hood of little finger

A - Extensor digiti minimi

36
Q

What is the function of muscle A?

A

Supination of forearm

A - Supinator

37
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor indicis

38
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor digiti minimi

39
Q

Name muscle A

A

A - Abductor pollicis longus

40
Q

Name muscle A

A

A - Extensor pollicis longus

41
Q

Name muscle A

A

A - Extensor digitorum

42
Q

What is the function of muscle A?

A
  1. Extension of wrist
  2. Abduction of wrist

A - Extensor carpi radialis brevis

43
Q

Name muscles A and B

A

A - Extensor pollicis longus

B - Abductor pollicis longus

44
Q

What is the function of muscle A?

A
  1. Extension at metacarpophalangeal joint of thumb
  2. Extension at carpometacarpal joint of thumb

A - Extensor pollis brevis

45
Q

Name muscle A

A

A - Extensor pollicis longus

46
Q

Name muscles A to E

A

A - Extensor carpi ulnaris

B - Extensor digiti minimi

C - Extensor digitorum

D - Extensor carpi radialis brevis

E - Extensor carpi radialis longus

47
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C6, C7)

This is a division from the radial nerve

A - Supinator

48
Q

Name muscle A

A

A - Extensor carpi radialis brevis

49
Q

What is the function of muscle A?

A
  1. Abduction of ulna (in pronation)
  2. Accessory extension of elbow joint

A - Anconeus

50
Q

Name muscle A

A

A - Extensor digiti minimi

51
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus and adjacent intermuscular septum and deep fascia

Insertion - Four tendons which insert to extensor hoods of phalanges minus the thumb (dorsal aspects of bases of middle and distal phalanges)

A - Extensor digitorum

52
Q

Name muscle A

A

A - Supinator

53
Q

Name muscle A

A

A - Extensor carpi radialis longus

54
Q

Name muscle A

A

A - Brachioradialis

55
Q

Name muscle A

A

A - Extensor carpi ulnaris

56
Q

What is the innervation of muscle A?

A

Radial nerve (C5, C6)

This is before the division into superficial and deep branches

A - Brachioradialis

57
Q

What is the function of muscle A?

A
  1. Abduction of carpometacarpal joint of thumb
  2. Accessory extension of thumb

A - Abductor pollicis longus

58
Q

What are the origin and insertion sites for muscle A?

A

Origin - Ulna (posterior surface distal to extensor pollicis longus) and adjacent interosseous membrane

Insertion - Extensor hood of index finger

A - Extensor indicis

59
Q

Name muscle A

A

A - Extensor indicis

60
Q

What are the origin and insertion sites for muscle A?

A

Origin - Ulna and radius (posterior surfaces distal to attachments of supinator and anconeus) and intervening interosseous membrane

Insertion - Base of metacarpal 1 (lateral side)

A - Abductor pollicis longus

61
Q

What is the function of muscle A?

A

Accessory flexion of elbow joint (when forearm is mid-pronated)

A - Brachioradialis

62
Q

What are the origin and insertion sites for muscle A?

A

Origin - Supraepicondylar ridge of humerus (distal/lateral aspect) and adjacent intermuscular septum

Insertion - Base of metacarpal 2 (dorsal surface)

A - Extensor carpi radialis longus

63
Q

Name muscle A

A

A - Extensor carpi radialis longus

64
Q

What is the function of muscle A?

A
  1. Extension of index, middle, ring and little fingers
  2. Extension of wrist

A - Extensor digitorum

65
Q

Name muscle A

A

A - Supinator

Musculoskeletal Anatomy Diagrams Hard Version (11 decks)

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