MSK Flashcards

1
Q

C2

A

sleep area

occipital protuberance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

C3

A

lateral/posterior neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

C4

A

shoulder pads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

C5

A

acromioclavicular joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

C6

A

thumb sucker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

C7

A

index finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

C8

A

little finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

T1

A

medial antecubital fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

T2

A

lateral sternal line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

T4

A

titties!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

T10

A

umbilicus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

L1

A

mid upper thigh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

L2

A

mid anterior thigh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

L3

A

mid medial thigh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

L4

A

medial calf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

L5

A

1st, 2nd, 3rd toes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

S1

A

lateral 5th digit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

S2

A

popliteal fosss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

S3

A

ischial tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

S4/S5

A

perineal area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

brachial plexus: C5

A

abduct arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

brachial plexus: C6

A

flex forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

brachial plexus: C7

A

extend forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

brachial plexus: C8

A

flex fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

brachial plexus: T1

A

spread fingers, hand muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what n is associated w. winged scapula

A

long thoracic

can be damage in axillary node dissections/abscess drainage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

root of the long thoracic n

A

C5-C7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

what is the SIT tubercle

A

greater tubercle of proximal humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

impingement of the suprascapular n in the suprascapular notch can cause

A

paralysis of the supraspinatus and infraspinatus m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

what muscles insert on the SIT tubercle

A

supraspinatus

infraspinatus

teres minor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

the rotator cuff includes __

plus __

A

SIT muscles

subscapularis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

C5 actions and associated muscles

A

abduction of humerus

external rotation of humerus

supraspinatus m

infraspinatus m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

nerve roots and action of teres minor m

A

C5, C6 → axillary n

external rotation of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

nerve roots and action of subscapularis m

A

C5, C6

internal rotation of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

where does the subscapularis insert

A

lesser tubercle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

the deltoid and teres minor are innervated by

A

axillary n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

major abductor of the arm

A

deltoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

major flexor of the forearm

A

brachialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

what m is used to bench press, abduct, and bend over lateral raise

A

deltoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

impingement of the nerve in the suprascapular notch can cause paralysis of the (2)

A

supraspinatus m

infraspinatus m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

rotator cuff tear can involve the __ tendon

A

supraspinatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

chronic rotator cuff tear can cause a space between the __

and the __

2/2 to __

A

head of the humerus

acromion

full thickness tear of supraspinatus tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

what accounts for 50% of the area of the shoulder socket joint

A

glenoid labrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

what do you think when you hear: click with deep pain in a shoulder injury

A

glenoid labrum tear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

summary if injuries associated w. rotator cuff muscles

A

impingement syndrome

chronic tear

glenoid labrum tear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

most shoulder dislocations are __

and involve the __

A

anteroinferior

inferior glenohumeral ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

most important stabilizing structure of the shoulder

A

inferior glenohumeral ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

recurrent shoulder dislocations are 2/2 to __

A

glenohumeral instability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

MOA for anterior shoulder dislocation

A

arm abducted and externally rotated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

5 injuries that occur w. anterior shoulder dislocations

A

bankhart lesions

hill-sachs fracture

capsular tears

damage to inferior glenohumeral ligament

damage to axillary n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

anterior glenoid labral injury and fx of the anterioinferior glenoid

A

bankhart lesion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

fracture of the posterior superior humeral head

A

hill sachs fracture

53
Q

carpal tunnel syndrome involves the __ n

A

median

54
Q

3 sx of carpal tunnel syndrome

A

loss of thenar m fxn and mass

positive Tinel’s

tingling/burning in thumb, index, middle finger

55
Q

what is tinel’s sign

A

tapping a finger on wrist elicits tingling/pain

56
Q

flexor and supinator m of the forearm

A

biceps brachii

not the most powerful flexor tho

57
Q

biceps brachii is innervated by the __ n

A

musculocutaneous

58
Q

biceps brachii:

short head origin:

long head origin:

insertion:

A

short head origin: coracoid process of scapula

long head origin: supraglenoid tubercle of scapula

insertion: radial tuberosity

59
Q

insertion of triceps m

A

olecranon process

60
Q

triceps origin

A

olecranon process of ulna

61
Q

triceps origin:

long head:

medial head:

lateral head:

A

long head: infraglenoid tubercle of scapula

medial head: posterior humerus

lateral head: posterior humerus

62
Q

action of triceps

A

elbow extension

63
Q

4 sites of humerus fx

A

surgical neck

midshaft

supracondylar

medial epicondyle

64
Q

proximal humerus/surgical neck fx damages what structures

A

axillary n

posterior circumflex humeral a

65
Q

mid-shaft humeral fx damages what nerve and artery

A

radial n

deep brachial a

66
Q

distal humerus supracondylar fx involves what n and artery

A

median n

brachial a

67
Q

medial epicondyle fx involves what n

A

ulnar

68
Q

the sciatic n gives rise to the __ nerves (2)

A

common fibular/peroneal

tibial

69
Q

the common fibular/peroneal n divides into the (2)

A

deep fibular/peroneal n

superficial fibular/peroneal n

70
Q

the tibial n goes to the __ leg (2)

and is associated with __ action

A

posterior, medial

plantar flexion, inversion

71
Q

if only the deep peroneal n is affected, __ will be lost,

but __ will be spared

A

dorsiflexion

eversion

72
Q

fibular neck fx involves __ n damage

and results in __,

which is mediated by __ m

A

deep peroneal

foot drop

tibialis anterior

73
Q

posterior nerves of the lower extremity __

the foot and __ the toes

A

plantar flex

flex

74
Q

medial nerves of the lower extremity __ the foot

A

invert

75
Q

fxn of the superficial peroneal n

A

foot eversion

76
Q

fxn of the deep peroneal n

A

foot dorsiflexion

toe extension

77
Q

4 types of injuries associated w. the brachial plexus

A

obstetric

trauma

lesions

fx of surgical neck (midshaft) of humerus

78
Q

obstetric injury associated w. brachial plexus

A

Erb’s Palsy

Klumpke’s Palsy

79
Q

MOI for Erb’s Palsy

A

traumatic vaginal delivery → baby’s anterior shoulder gets caught on mom’s pubic bone → shoulder dystocia → stretches upper brachial plexus trunks

80
Q

MOI for Klumpke’s Palsy

A

traction injury during delivery → damage to C8-T1 → claw hand

81
Q

Erb’s Palsy involves damage to __ nerve roots

Klumpke’s Palsy involves damage to __ nerve roots

A

Erb’s: C5/C6 (E for upper)

Klumpke’s: C8/T1 (K for lower)

82
Q

5 lesions associated w. the brachial plexus

A

winged scapula

erb’s palsy

total claw hand

saturday night palsy

flattened deltoid

83
Q

winged scapula involves damage to

A

C5, C6, C7 -> wings to heaven

84
Q

Erb’s palsy involves damage to

A

C5, C6

85
Q

total claw hand involves damage to

A

C8, T1

86
Q

saturday night palsy (wrist drop) involves damage to

A

radial n → C5-C7

87
Q

flattened deltoid involves damage to

A

C5, C6 → axillary n

88
Q

fracture of the midshaft of the humerus damages the __ n

A

radial

89
Q

n that mediates extension of hand, wrist, thumb, digits

A

radial

90
Q

finger spread n

intrinsic m of hand

A

ulnar n

91
Q

what is the law in ABOF the LAW

A

all muscles of the hand are supplied by the ulnar n EXCEPT ABOF the LAW muscles

92
Q

what n are the ABOF the LAW muscles innervated by

A

median

93
Q

what are the ABOF the LAW muscles

A

ABductor pollicis brevis

Opponens pollicis

Flexor pollicis longus/brevis

LAteral 2 lumbricals (index and middle finger)

94
Q

3 PE tests for the hand

A

tata sign

froments sign

thumb to finger approximation

95
Q

what is the tata sign

A

ability to flex MCP joints at the same time as extending IP joints

96
Q

the tata sign involves the __ muscles

A

3rd and 4th lateral lumbricals

97
Q

ability to spread fingers against resistance

A

froments sign

98
Q

froments sign involves the __ m

A

adductor pollicis

99
Q

thumb to finger approximation tests the __ muscles (2)

and __ n

A

flexor carpi ulnaris

flexor digitorum profundus

ulnar n

100
Q

wrist drop is associated w. the __ n

A

radial

101
Q

what bone does the hand articulate w. primarily

A

radius

102
Q

the long flexors of the hand can also

A

adduct

103
Q

which structures are commonly injured in knee injuries

A

menisci

MCL/LCL

ACL/PCL

capsule/synovial joint

104
Q

rotational knee injuries involve the

A

menisci

105
Q

pop and effusion knee injuries usually involve the

A

ACL

106
Q

what is the terrible triad of knee injuries

A

ACL

MCL

MM

107
Q

__ injury is mc than the terrible triad

A

LM

108
Q

roots of the femoral n

A

L2-L4

109
Q

5 muscles associated w. the femoral n

A

quadriceps femoris

patellar ligament

sartorius

iliopsoas

pectineus

110
Q

the muscles innervated by the femoral n are associated w. the __ compartment,

except for the __, which is in the medial compartment

A

anterior

pectineus

111
Q

fxn of the femoral n

A

knee extensors

hip flexors

112
Q

roots of the obturator n

A

L2-L4

113
Q

3 muscles of the obturator n

A

adductor longus, brevis, magnus

obturator externus

gracilis

114
Q

the obturator n is associated w. the __ compartment

A

medial

115
Q

fxn of the obturator n

A

adductors of femur

116
Q

roots of the sciatic n

A

L4-S3

117
Q

4 muscles associated w. the sciatic n

A

hamstrings:

biceps femoris

semitendinosis

semimembranosis

118
Q

the sciatic n is associated w. the __ compartment

A

posterior

119
Q

fxn of the sciatic n

A

hip extension

120
Q

the femoral, obturator, and sciatic n all insert on the __

at the __

A

medial proximal tibia

pes anserinus (goosefoot)

121
Q

foot drop is associated w. damage to __ nerves (3)

A

L5

sciatic

peroneal (fibular)

122
Q

motor findings of L5 damage occur __ to the lesion and can involve weakness to

__ muscles (3)

A

ipsilateral

tibialis anterior

fibularis longus

extensor hallicus longus

123
Q

aseptic necrosis of the talus can occur w. damage to the

A

posterior tibial a

124
Q

what muscles surround the piriformis (3)

A

superior/inf gemelli

quadratus femoris

obturator internus/externus

gluteus muscles

125
Q

piriformis syndrome involves compression of the __ n, which is located

__ to the piriformis m

A

sciatic

posterior

126
Q

where is pain from piriformis syndrome felt

A

lower back

buttocks

parts of leg and foot

pain travels up and down the nerve

127
Q

pain in piriformis syndrome can be accompanied by

A

numbness

weakness

128
Q

clinical findings in the knee associated w. RA

A

panus formation → erosion of bone AND cartilage → hyperplastic synovial membrane, increased synovial fluid

129
Q

major flexor of the forearm

A

brachialis