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MSK 1 > UE A and P > Flashcards

UE A and P Flashcards

1
Q

Bones of Upper Extremity (arm-forarm, not wrist/hand)

A

clavicle
scapula
humerus
radius

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2
Q

serratus anterior

A

protracts scapula and hold against thorax

rotates scapula

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3
Q

triceps brachii action

A

extension of elbow

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4
Q

brachialis action

A

primary flexion of elbow

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5
Q

main blood supply of arm

A

brachial artery

continuation of axillary artery

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6
Q

flexors of arm

A

biceps brachii
brachialis
coracobrachialis

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7
Q

extensors of arm

A

triceps brachii

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8
Q

innervation of flexors of arm

A

musculocutaneous n.

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9
Q

innervation of extensors of arm

A

radial nerve

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10
Q

biceps brachii proximal attachment

A

short head = coracoid process of scapula

long head = supraglenoid tubercle of scapula (intracapsular tendon)

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11
Q

distal attachment of biceps brachii

A

bicipital tuberosity of radius

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12
Q

biceps brachii nerve supply

A

musculocutaneous n C 5, C6*, C7

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13
Q

primary supinator of forearm

A

biceps brachii

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14
Q

only bone in forearm to rotate

A

radius

thumb side/lateral

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15
Q

proximal articulation of radius

A

articulates with capitulum of humerus and ulnar notch of ulna

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16
Q

radius distal articulation

A

with ulna

distal radioulnar joint

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17
Q

annular ligament

A

holds head of radius firmly in place

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18
Q

ulna proximal articulation

A

trochlea of humerus

radial head lateral

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19
Q

olecranon process

A

of ulna

fits in olecranon fossa of posterior humerus

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20
Q

trochlear notch

A

olecranon of ulna and humerus , coronoid of ulna and humerus

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21
Q

proximal bones of the wrist

A

PTLS

Pisiform
Triquetrium
Lunate
Scaphoid

22
Q

distal bones of wrist

A

HCTT

hamate
capitate
trapezoid
trapezium

23
Q

bones of hand

A

metacarpals

phalanx (14 -thumb is only proximal and distal)

24
Q

joints of hand

A 
Metacarpophalangeal (MCP) 
proximal interphalangeal (PIP) 
distal interphalangeal (DIP)
25
Q

intrinsic muscles of the hand

A

thenar (thumb)
hypothenar (pinky)
short muscles

26
Q

sternoclavicular joint (SC)

A

medial clavicle articulates with sternum

27
Q

acromioclavicular joint (AC)

A

lateral clavicle and acromion of scapula articulate

28
Q

Gelnohumeral joint

A

humerus articulation with scapula

“shoulder joint”

29
Q

joints of shoulder girdle

A

AC
SC
Glenohumeral joint

30
Q

projections of the humerus

A

greater tubercle and lesser tubercle

places of muscle attachment

31
Q

intrinsic muscle of shoulder girdle

A

rotator cuff (S.I.T.S.)

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

32
Q

serratus anterior innervation

A

supplied by long thoracic nerve

if issue = winged scapula

33
Q

superficial posterior muscles of shoulder

A

trapezius

34
Q

trapezius function of fibers (Superior, inferior, middle)

A

superior fibers elevate scapula

inferior fibers depress scapula

middle fibers retract scapula

35
Q

posterior deep muscle of shoulder girdle

A

rhomboids (major, minor)

36
Q

rhomboids function

A

retract scapula

rotate scapula to depress glenoid fossa

hold scapula against thorax

37
Q

supraspinatus function

A

initiates and assists deltoid in abduction of arm

acts w.other rotator cuff muscles

38
Q

infraspinatus

A

laterally rotates arm

acts with other rotator cuff muscles

39
Q

teres minor

A

laterally rotates arm

acts with other rotator cuff muscles

40
Q

subscapularis

A

medially rotates arm

helps hold head of humerus in glenoid fossa

41
Q

innervation pectoralis major and minor

A

lateral and medial pectoral nerves

C5, 6, 7, 8* & T1)

42
Q

innervation serratus anterior

A

long thoracic nerve

C5, C6, C7

43
Q

innervation trapezius

A

spinal accessory (CN XI motor)

C3 and C4 n. for pain and proprioception

44
Q

blood supply of the shoulder and arm

A

supplied from branches off the subclavian, axillary, or brachial arteries

45
Q

Golfer’s elbow

A

flexors/pronators of forearm attach to medial epicondyle of humerus

46
Q

tennis elbow

A

extensors/supinators attach to lateral epicondyle of humerus

47
Q

innervation of forearm

anterior compartment

A

supplied by median nerve

48
Q

innervation of forearm

posterior compartment

A

posterior interosseous nerve

49
Q

innervation of the hand

A

cervical nerve roots (C6, 7, 8)

peripheral nerves (radial, median, and ulnar supply all surfaces of the hand)

50
Q

C6 of hand

A

thumb

51
Q

C7 of hand

A

medial fingers

52
Q

C8 of hand

A

pink fingers

MSK 1 (9 decks)

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