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MSK > Upper Limb Anatomy > Flashcards

Upper Limb Anatomy Flashcards

1
Q

Subclavian to axillary artery at what point?

A

lateral border 1st rib

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2
Q

axillary to brachial artery

A

inferior border teres major

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3
Q

brachial plexus

A

C5 - T1

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4
Q

upper trunk brachial plexus

A

C5+6

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5
Q

middle trunk brachial plexus

A

C7

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6
Q

lower trunk brachial plexus

A

C8+T1

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7
Q

Branch of lateral cord brachial plexus

A

musculocutaneous + median

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8
Q

branch medial cord brachial plexus

A

ulnar + median

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9
Q

branch posterior cord brachial plexus

A

axillary + radial

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10
Q

radial artery on same side as what vein

A

cephalic

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11
Q

ulnar artery on same side as which vein

A

basilic

connected to cephalic via median cubital

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12
Q

Median cubital vein moves blood from what vein to what vein

A

Cephalic to basilic

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13
Q

lymph nodes of upper limb

A

axillary nodes

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14
Q

Type of joint is acromioclavicular?

and sternoclavicular?

A

plane synovial

synovial saddle

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15
Q

function of glenoid labrum

A

stabilise joint and deepen glenoid fossa

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16
Q

function of rotator cuff muscles

A

stabilise the glenohumeral joint

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17
Q

nerve supply deltoid

A

axillary nerve
C5 - 6

Also supplies teres minor

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18
Q

action of pectorals major on shoulder joint

A

adduction

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19
Q

vein found in deltopectoral triangle (triangle at anterior part of shoulder joint)

A

subclavian vein

Used for central lines

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20
Q

nerve supply serratus anterior

A

long thoracic nerve

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21
Q

Trapezius innervation

A

Accessory Nerve

Cranial Nerve XI

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22
Q

Lateral rotators of shoulder joint

A

all muscles on back of shoulder

except teres major + latissimus dorsi which are opposite as inserts onto front of humerus

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23
Q

Medial rotators of shoulder joint

A

all muscles on front of shoulder + teres major and latissimus dorsi

24
Q

muscles in anterior flexor compartment of arm

A

BBC muscles
Biceps Brachii
Brachialis
Coracobrachialis

25
Q

Innervation BBC muscles

A

Musculocutaneous nerve
C5,6,7

from lateral cord + upper trunk
(supplies muscles in upper arm + cutaneous sensation in lateral forearm)

26
Q

musculocutaneous nerve root values

A

C5,6,7

only nerve to pierce through muscles (coracobrachialis and biceps)

27
Q

contents of cubital fossa

A

really need beer to be at my nicest

radial n
biceps tendon
brachial artery
median n

28
Q

innervation triceps + anconeus

A

Radial n

C5-T1, posterior cord

Innervates ALL extensors

29
Q

radio ulna joints

A

pivot synovial

PIVOTTTT

30
Q

supinators of forearm

A

biceps brachii

supinator

31
Q

pronators of forearm

A

pronator teres

pronator quadratus

32
Q

Muscles of front of forearm do what action

A

Flex wrist + pronators

33
Q

Innervation superficial flexors of wrist

A

Median nerve

EXCEPT flexor carpi ulnaris — ulnar nerve

34
Q

Innervation brachioradialis

A

Radial nerve

35
Q

intermediate muscles of forearm

A

flexor digitorum superficialis

Flexes PIP, MCP + wrist
has 4 tendons going to the intermediate phalanx

36
Q

innervation intermediate group muscles of forearm

A

median nerve

37
Q

deep muscles of forearm

A

flexor digitorum profundus (ulnar side)
flexor pollicis longus (radial side - moves thumb)
pronator quadratus

38
Q

innervation flexor digitorum profundus

A

median half = ulnar nerve

lateral half = median nerve

39
Q

fibrous band creating carpal tunnel

A

flexor retinaculum

40
Q

what happens to palmaris longus muscle at palm of hand

A

palmar aponeurosis

41
Q

root values median nerve

A

C5 - T1

whole brachial plexus

42
Q

thenar muscles

A

abductor pollicus brevis
flexor pollicus brevis
opponens pollicus (lies deep to other 2)

43
Q

hypothenar muscles

A

adbuctor digiti minimi
flexor digiti minimi
opponens digiti minimi (deep to other 2)

44
Q

hypothenar innervation

A

ulnar nerve

C8 - T1

45
Q

lumbricals come from the tendon of which muscle

A

flexor digitorum profundus

46
Q

innervation lumbricals

A

medial 2 = ulnar nerve

lateral 2 = median nerve

47
Q

actions of interossei

A

DAB
PAD

dorsal interossei = abduct fingers
palmar interossei = adduct fingers

48
Q

interossei inervation

A

ulnar nerve (C8-T1)

49
Q

root values ulnar nerve

50
Q

root values median nerve

A

C5 - T1 (whole brachial plexus)

51
Q

bones of the hand

A

She Looks Too Pretty Try To Catch Her

Scaphoid
Lunate
Triquetrum
Pisiform
Trapezium
Trapezoid
Capitate
Hamate
52
Q

type of joint at wrist

A

synovial condyloid

/ ellipsoid

53
Q

common extensor origin in forearm

A

lateral epicondyle

54
Q

action of extensor carpi muscles

A

radialis longus
radialis brevis = extension + abduction of WRIST JOINT (not fingers!!)
ulnaris = extension + adduction

55
Q

innervation of muscles in posterior forearm

A

radial nerve

MSK (5 decks)

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