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RB Y2 MSK 01 Anatomy > Overview > Flashcards

Overview Flashcards

1
Q
A
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2
Q

how does the radius move in relation to the ulna in pronation

A

radius moves over the ulna

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3
Q

what type of joints if the 1st CMC joint

A

synovial - saddle type

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4
Q
A
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6
Q
A
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7
Q
A

subclavis muscle

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8
Q
A

levator scapulae

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9
Q

what is the innervation of the rhomboid muscles

A

dorsal scapula nerve

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10
Q
A
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11
Q

what do the rotator cuff muscles do

A

hold the head of the humerus in the glenoid fossa

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12
Q
A
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13
Q

where do the 4 rotator cuff muscles attach

A

supraspinatus and infraspinatus and teres minor to greater tuberosity

subscapularis to lesser tuberosity

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14
Q
A

subscapularis is on the anterior side of the scapula

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15
Q

name the muscles in the ant compartment of the arm

A

biceps brachii

brachialis

coracobrachialis

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16
Q
A
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17
Q

action of the muscles in ant compartment of the arm

A

flexion of arm and forearm

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18
Q

innervation of the anterior muscles of the arm

A

musculocutaneous nerve

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19
Q

muscles in the posterior compartment of the arm

A

triceps brachii

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20
Q

action of muscles in pos compartmnet of arm

A

extension of arm and forearm

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21
Q

innervation of muscles in the pos compartment of arm

A

radial nerve

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22
Q
A

triceps brachii

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23
Q

anterior compartment of forearm - superficial layer

A
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24
Q

anterior compartment of forearm - intermediate layer

A
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25
Q

anterior compartment of forearm - deep layer

A
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26
Q

what are the muscles of the anterior compartment of the forearm innervated by

A

MEDIAN nerve

except flexor carpi ulnaris and medial half of flexor digitorum profundus - ulnar nerve

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27
Q

deep layer of pos compartmnet of forearm

A
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28
Q

superficial layer of muscles of pos compartment of forearm

A
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29
Q

whatare the muscles of the posterior compartment of the forearm innervated by

A

radial nerve

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30
Q
A
31
Q

what muscles are in the thenar eminence

A

abductor pollicis brevis

flexor pollicis brevis

opponens pollicis

32
Q

what is the thenar eminence innervated by

A

recurrent branch of median nerve

33
Q

what muscles are in the hypothenar eminence

A

abductor digiti minimi

flexor digiti minimi brevis

opponens digiti minimi

34
Q

what is the hypothenar eminence innervated by

A

deep branch of ulnar nerve

35
Q

what eminence in the hand is affected by carpal tunnel syndrome

A

thenar eminence

36
Q

lumbricals

A

attach to tendons of flexor digitorum profundus

37
Q

what are the lumbricals innervated by

A

lateral 2 - median nerve

medial 2 - ulnar nerve

38
Q

interossei

A

dorsal - abduction of digits

plantar - adduction of digits

39
Q

what are the interossei innervated by

A

ulnar nerve

40
Q

brachial plexus course

nerve roots

A

passes through axilla to medial arm

C5-T1 anterior rami

41
Q

what forms the sup med and inf trunks of teh brachial plexus

A

sup - C5 and 6

middle - C7

inf - C8 and T1

42
Q

what forms the lat, pos and medial cords of the brachil plexus

A

lateral -anterior divison of sup and middle trunk

posterior - posterior division of sup, middle and inf trunk

medial - anterior divison of inferior trunk

43
Q

draw out brachial plexus diagram

A
44
Q
A
45
Q

describe the innervation of the hand

A
46
Q

what is the flexor retinaculum

A

transverse carpal ligament

47
Q

what is the carpal tunnel formed by

A

flexor retinaculum and carpals

48
Q

what is the contents of the carpal tunnel

A
49
Q

carpal tunnel syndrome

A

compression of the medial nerve can lead to weakness in the thenar muscles

numbness in digits 1-3 and lateral half of digit 4 is experienced

50
Q
A
51
Q
A
52
Q

describe a saddle joint and give 2 examples

A

biaxial

movement in 2 planes - reasonable in 1 and less well in another

carpometacarpal thumb joint and sternoclavicular joint

53
Q

describe a pivot joint and give 2 examples

A

rotary movement around a single axis

eg atlanto-axial and radioulnar

54
Q

describe a plane joint and give 2 examples

A

minimal movement in one plane

eg acromioclavicular and intercarpal

55
Q

describe a condyloid joint and give an example

A

permits movement in 2 planes: flexion, extension ab and ad duction, circumduction

eg metacarpophalangeal joints

56
Q

what type of joint is the acromioclaviuclar joint

A

plane

57
Q

what type of joint is the sternoclavicular joint

A

saddle

58
Q

what type of joitnts are the proximal and distal radioulnar joints

A

pivot

59
Q

what type of joint is the radiocarpal joint

A

ellipsoid

60
Q

what type of joints is the elbow joint

A

radiohumeral and humeroulnar

hinge

61
Q

what are the muscles of the ant compartment of the forearm inervated by

A

median nerve

except flexor carpi ulnaris and medial half of flexor digitorum profundus (ulnar nerve)

62
Q

what acts as static stabilisation of the shoulder

A

shoulder capsule and labrum

63
Q

describe the 5 compartments of the hand

A
64
Q

where is the volar surface of the hand

A

anterior wrist

65
Q

where is the midpalmar space

A

posterior to the central compartment

66
Q

where is the thenar space

A

posterior to the thenar compartment

67
Q

how can deep infections spread from palm to anterior forearm

A

via the midpalmar space and carpal tunnel

68
Q

where does the median nerve enter the anterior arm

A

via the cubital fossa

69
Q

what does the median nerve do in the carpal tunnel

A

divides into recurrent branch and palmar digital branch

70
Q

recurrent branch of median nerve

A

innervates the thenar eminence

71
Q

palmar digital branch of median nerve

A

Innervates the lateral palmar surface and fingertips of the lateral three and half digits

Also innervates the lateral two lumbrical muscles.

72
Q

atlanto-axial and atlanto-occipital joint movements

A

Atlanto-occipital joint does nodding action, and atlanto-axial joint allows head rotation (pivot joint)

73
Q
  • muscle
  • nerve innervation
  • test
A
  • adductor pollicus
  • ulnar nerve
  • froment’s test
74
Q

what type of joint is the sternoclavicular joint

A

saddle

RB Y2 MSK 01 Anatomy (4 decks)

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