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Anatomy > MSK-Upper Limb > Flashcards

MSK-Upper Limb Flashcards

1
Q

anterior wall of the axilla

A

pectorals major and minor

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2
Q

posterior wall of the axilla

A

subscapularis, trees major and latissimus dorsi

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3
Q

medial wall of the axilla

A

thoracic wall, serrates anterior

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4
Q

Lateral wall of the axilla

A

humerus, coracobrachialis, short head of biceps

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5
Q

where does the axillary artery become the brachial

A

lower border of the teres minor

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6
Q

which artery runs deeper- radial or ulna?

A

ulna

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7
Q

describe the superficial venous system in the arm

A

you have the basilic cephalic vein. Basillic becomes the axillary and the cephalic drains into the axillary. Also a shunt that shunts blood from the cephalic to the basilic.

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8
Q

what type of joint is the sternoclavicular. joint

A

saddle synovial joint

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9
Q

what type of joint is the acromioclavicular joint

A

synovial plane joint

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10
Q

role of the coracoacromial ligament

A

presents superior displacement of the humeral head

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11
Q

role of the glenohumeral ligament

A

strengthen the anterior aspect of the joint capsule

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12
Q

what are the 2 main bursa found around the shoulder

A

subacromial bursa

sbuscapular bursa

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13
Q

role of bursa in the shoudler

A

help prevent wear and tear on tendons

reduce friction

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14
Q

what muscles elevate the scapula

A

trapezius and levator scapulae

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15
Q

what muscles depress the scapula

A

trapezius

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16
Q

what muscles are involved in protraction of the scapula

A

serratus anterior, pectoralis major and minor

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17
Q

what muscles are involved in retraction of the scapula

A

middle fibres of trapezius

rhomboids

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18
Q

what muscles are involved in lateral rotation fo the scapula

A

trapezius

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19
Q

what muscles are involved in medial rotation of the scapula

A

levator scapula, rhomboid, pectoralis minor

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20
Q

actions of the trapezius

A

elevation and depression of the scapula, retraction and lateral rotation of the scapula.
flexion and extension of the spine

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21
Q

innervation of the trapezius

A

accessory nerve

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22
Q

latissimus dorsi actions

A

adducts, medially rotates and extends the arm

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23
Q

Actions of the levator scapulae

A

elevates the scapula

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24
Q

where do we find the rhomboids

A

attached to the medial border of the scapula and the spine

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25
Q

action of the rhomboids

A

retract the scapula

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26
Q

where does the pectoralis major attatch

A

lateral lip of the bicipital groove

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27
Q

actions of the pectoralis major

A

adduct the shoulder
protract the scapula
internally rotate the arm

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28
Q

action of the pectoralis minor

A

stabilises the scapular during limb movements by keeping it pulled up against the thoracic cage.
protraction of the scapula

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29
Q

actions of the serratus anterior

A

protraction of scapula

stabilises the pectoral girdle by holding the scapula closer to the ribs

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30
Q

main action of the deltoid

A

abduction

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31
Q

what are the actions of the various fibres of the deltoid

A

lateral- abduction
posterior- extension and lateral rotation
anterior- flexion and medially rotate

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32
Q

action of the Supraspinatus

A

abduction

stabiliser

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33
Q

action of the infraspinatus

A

lateral rotator
abduction
stabaliser

34
Q

action of teres minor

A

adduction and lateral rotation

stabaliser

35
Q

action of the subscapularis

A

Adduction and medial rotation

36
Q

what are the rotator cuff muscles

A

Supraspinatus
infraspinatous
teres minor
subscapularis

37
Q

where does teres major insert

A

posterior lip of the bicipital groove

38
Q

what muscles are involved in shoulder flexion

A

deltoid
pectoralis major
coracobrachialis

39
Q

what muscles are involved in shoulder extension

A

deltoid
latissimus dorsi
teres major and minor

40
Q

what muscles are involved in shoulder adduction

A

pectoralis major
latissimus dorsi
teres major
subscapularis

41
Q

what muscles are involved in abduction 0-90 of the shoulder

A

deltoid

Supraspinatus

42
Q

what muscles are involved in the later stages of abduction in the shoulder

A

trapezius

serratus anterior

43
Q

what muscles are involved in medial rotation

A

subscapularis
latissimus dorsi
pec major
teres major

44
Q

what muscles are involved in lateral rotation

A

infraspinatus
teres minor
deltoid

45
Q

where do the heads of the triceps arise from

A

lateral head- humerus
medial head- humerus
long head- infraglenoid tubercle

46
Q

where does the common tendon of the triceps insert into

A

olecranon process

47
Q

action of triceps

A

extensor

48
Q

innervation of triceps

A

radial nerve

49
Q

where does the short head of the biceps originate from

A

coracoid process

50
Q

where does the long head of the biceps originate from

A

supraglenoid tubercle

51
Q

action of the biceps

A

flexion and supination

52
Q

what muscles are found in the anterior compartment of the arm

A

biceps brachii
coracobrachialis
brachialis

53
Q

what supplies the brachioradialis

A

radial nerve

54
Q

action of the brachioradialis

A

flexor and partial pronator and supinator

55
Q

what are the three main ligaments of the elbow

A

medial and lateral collateral ligaments

annular ligament

56
Q

what ligament merges with the annular ligament

A

radial (lateral) collateral ligament

57
Q

what kind of structure is the interossues membrane

A

fibrous structure

58
Q

what is the function of the interossues memrane between the ulna and radius

A

adds stability

lax enough to allow supination and pronation

59
Q

what muscles are involved in flexion of the wrist

A 
those in the anterior compartment- 
FCR
FCU
palmaris longus
FDS
FDP
60
Q

what muscles are flexors in the forearm

A

brachioradialis
FCR
Palmaris longus
FCU

61
Q

what muscles are adductors of the wrist

A

FCU and ECU

62
Q

what is ulnar deviation

A

adduction of the wrist

63
Q

what is radial deviation

A

abduction of the wrist

64
Q

what muscles are abductors of the wrist

A

FCR, ECR

65
Q

where does the FDS insert

A

middle phalanges

66
Q

what muscle gives rise to the lumbricals

A

FDP

67
Q

action of the FPL

A

flexes the thumb

68
Q

attachement sites of the FPL

A

radius and the thumb

69
Q

what are the contents of the carpal tunnel

A

4 FDS tendons
4 FDP tendons
1 FPL tendon
median nerve

70
Q

what muscles are involved in extension of the wrist

A

ECU
ECRB
ECRL
extensor digitorum slightly

71
Q

action of the extensor digiti minimi

A

extends the little finger

72
Q

action of the extensor indices

A

extends the index finger

73
Q

what muscles extend the thumb

A

EPL

EPB

74
Q

what muscles abduct the thumb

A

APL

75
Q

what forms the floor of the anatomical snuff box

A

Scaphoid and trapezium

76
Q

what muscles are in the thenar compartment of the hand

A

APB
FPB
OP

77
Q

what muscles are in the hypothenar compartment of the hand

A

abductor digiti minimi
flexor digiti minimi
opponens digiti minimi

78
Q

what muscles are in the central compartment of the hand

A

FDS
FDP
Flexor policis longus
lumbricals

79
Q

how many palmar interossei are there

A

3

80
Q

how many dorsal interossei are there

A

4

81
Q

what carpal bones is the retinulacum attached to

A

scaphoid and trapezium, pisiform, hamate

Anatomy (9 decks)

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