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Adele MSK > Anatomy - Upper Limb 3 > Flashcards

Anatomy - Upper Limb 3 Flashcards

1
Q

What is the action of pronator teres?

A

Pronation

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2
Q

What is the innervation of pronator teres?

A

Median nerve

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3
Q

Apart from flexing the wrist, which superficial muscle is involved in the adduction of the wrist joint?

A

Flexor carpi ulnaris

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4
Q

Apart from flexing the wrist, which superficial muscle is involved in the abduction of the wrist joint?

A

Flexor carpi radialis

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5
Q

What is the innervation of flexor carpi radialis?

A

Median nerve

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6
Q

What is the innervation of flexor carpi ulnaris?

A

Ulnar nerve

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7
Q

What is the innervation of brachioradialis?

A

Radial nerve

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8
Q

On which phalanx are the tendons of flexor digitorum superficialis inserted?

A

Medial

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9
Q

Does the flexor digitorum superficialis muscle act on the distal interphalangeal joint?

A

No

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10
Q

Does the flexor digitorum profundus muscle act on the distal interphalangeal joint?

A

Yes

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11
Q

What is the innervation of flexor digitorum superficialis?

A

Median nerve

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12
Q

What is the innervation of the medial aspect of the flexor digitorum profundus?

A

Ulnar nerve

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13
Q

What is the innervation of the lateral aspect of the flexor digitorum profundus?

A

Median nerve

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14
Q

What is the innervation of the flexor pollicis longus?

A

Anterior interosseous (median) nerve

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15
Q

What is the innervation of the pronator quadratus?

A

Anterior interosseous (median) nerve

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16
Q

What is the relationship of the brachial artery to the median nerve in the cubital fossa?

A

The nerve is lateral to the artery

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17
Q

Does the median nerve enter the hand by passing below or above the flexor retinaculum?

A

Below

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18
Q

What are the contents of the carpal tunnel?

A

Median nerve
4 tendons of FDP
4 tendons of FDS
1 tendon of flexor pollicis longus

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19
Q

What are the three thenar muscles?

A

Abductor pollicis brevis (APB)
Flexor pollicis brevis (FPB)
Opponens pollicis

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20
Q

Which nerve innervates all three muscles of the thenar eminence?

A

Median nerve

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21
Q

What are the three hypothenar muscles?

A

Abductor digiti minimi
Flexor digiti minimi
Opponens digiti minimi

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22
Q

Which nerve innervates all the hypothenar muscles?

A

Deep branch of the ulnar nerve

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23
Q

What are the two heads of adductor pollicis known as?

A

Transverse head and oblique head

24
Q

Which nerve innervates adductor pollicis?

A

Deep branch of the ulnar nerve

25
Q

From which long flexor tendons do the lumbricals originate?

A

Tendons of flexor digitorum profundus

26
Q

What is the action of the lumbricals?

A

Flex the fingers at the metacarpophalangeal joint and simultaneously extend the interphalangeal joint of the 2nd to 5th digits

27
Q

What is the innervation of the medial two lumbricals?

A

Ulnar nerve

28
Q

What is the innervation of the lateral two lumbricals?

A

Median nerve

29
Q

How many dorsal interossei are there?

30
Q

How many palmar interossei are there?

31
Q

What is the action of the dorsal interossei on the fingers?

32
Q

What is the action of the palmar interossei on the fingers?

33
Q

What is the innervation of the interossei muscles?

A

Deep branch of ulnar

34
Q

Which artery is the main contributor of the superficial palmar arch?

A

Ulnar artery

35
Q

Which artery is the main contributor of the deep palmar arch?

A

Radial artery

36
Q

Which nerve supplies the skin on the dorsal aspect of the hand?

A

Radial nerve

37
Q

The ulnar nerve is a branch of which cord of the brachial plexus?

38
Q

What are the 8 carpal bones in the wrist?

A 
Scaphoid
Lunate
Triquetrium
Pisiform
Trapezium
Trapezoid
Capitate
Hamate
39
Q

What is the mnemonic to remember the 8 carpal bones of the wrist?

A 
Some
Lovers 
Try 
Positions
That
They
Cant
Handle
40
Q

What type of joint is the wrist?

A

Synovial condyloid or ellipsoid

41
Q

What are the three muscles that extend and adduct or abduct the hand at the wrist joint?

A

Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris

42
Q

What is the action of extensor carpi radialis longus and brevis on the wrist joint?

A

They both extend and abduct the wrist joint

43
Q

Which muscles extend the fingers?

A

Extensor digitorum
Extensor indicis
Extensor digiti minimi

44
Q

Which muscles extend or abduct the thumb?

A

Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus

45
Q

Which nerve innervates all the muscles of the posterior compartment of the forearm?

A

Radial nerve

46
Q

What is the nerve supply to the supinator muscle?

A

Deep branch of radial aka posterior interosseous

47
Q

Where does the radial nerve divide into the superficial and deep branches?

A

Cubital fossa

48
Q

Which two carpal bones can you feel in the anatomical snuffbox?

A

Scaphoid and trapezium

49
Q

Which artery lies in the floor of the snuff box?

50
Q

Which nerve innervates extensor pollicis longus, extensor pollicis brevis and abductor pollicis longus?

A

Deep branch of radial aka posterior interosseous nerve

51
Q

Which ligaments form the boundaries of the anatomical snuffbox?

A

Extensor pollicis longus

Extensor pollicis brevis

52
Q

Which nerve supplies pronator teres?

A

Median nerve

53
Q

What is the combined action of flexor carpi ulnaris and extensor carpi ulnaris?

54
Q

Which nerve supplies the dorsal, distal part of the medial two and a half fingers?

A

Median nerve

55
Q

What type of joint is the wrist?

A

Synovial condyloid/ellipsoid

Adele MSK (22 decks)

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