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Y2 MSK Anatomy Diagrams > Muscles of the Upper Limb - Posterior Forearm > Flashcards

Muscles of the Upper Limb - Posterior Forearm Flashcards

1
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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2
Q

Name muscle A

A

A - Extensor digiti minimi

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3
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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4
Q

Name muscle A

A

A - Extensor carpi radialis brevis

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5
Q

What is the function of muscle A?

A

Extension of little finger

A - Extensor digiti minimi

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6
Q

What is the function of muscle A?

A

Extension of index finger

A - Extensor indicis

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7
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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8
Q

Name muscle A

A

A - Supinator

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9
Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7, C8)

A - Anconeus

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10
Q

Name muscle A

A

A - Anconeus

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11
Q

Name muscle A

A

A - Extensor digitorum

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12
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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13
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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14
Q

Name muscle A

A

A - Extensor pollicis brevis

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15
Q

Name muscle A

A

A - Extensor carpi ulnaris

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16
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

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 brevis

18
Q

What is the innervation of muscle A?

A

Deep branch of radial nerve (C7, C8)

A - Extensor carpi radialis brevis

19
Q

What is the function of muscle A?

A
  1. Extension of wrist
  2. Adduction of wrist

A - Extensor carpi ulnaris

20
Q

What is the function of muscle A?

A
  1. Extension of wrist
  2. Abduction of wrist

A - Extensor carpi radialis longus

21
Q

Name nerves A and B

A

A - Deep branch of radial nerve

B - Superficial branch of radial nerve

22
Q

What is the function of muscle A?

A

Supination of forearm

A - Supinator

23
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

24
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

25
Q

Name muscle A

A

A - Abductor pollicis longus

26
Q

Name muscle A

A

A - Extensor pollicis longus

27
Q

What is the function of muscle A?

A
  1. Extension of wrist
  2. Abduction of wrist

A - Extensor carpi radialis brevis

28
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 pollicis brevis

29
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C6, C7)

This is a division from the radial nerve

A - Supinator

30
Q

Name muscle A

A

A - Extensor carpi radialis brevis

31
Q

What is the function of muscle A?

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

A - Anconeus

32
Q

Name muscle A

A

A - Brachioradialis

33
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

34
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

35
Q

Name muscle A

A

A - Extensor indicis

36
Q

What is the function of muscle A?

A

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

A - Brachioradialis

37
Q

Name muscle A

A

A - Extensor carpi radialis longus

38
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

39
Q

Name muscle A

A

A - Supinator

Y2 MSK Anatomy Diagrams (10 decks)

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