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Clinical Occupational Medicine > Musculoskeletal > Flashcards

Flashcards in Musculoskeletal Deck (28):
1

95% of disc herniations are at:

L5-S1 or L4-L5

2

Three occupational associations for CTS:

force, repetition, awkward posture

3

What is most common overuse injury of wrist?

DeQuervain's tenosynovitis

4

Biceps DTR:

C5, some C6

5

Brachioradialis DTR:

C6

6

Triceps DTR:

C7, C8

7

__% of subjects w/o neck pain had disc bulge or herniations

19%

8

__% of subjects w/o neck pain over 40 had bulge or herniations

28%

9

What is a late sign of CTS?

motor weakness (median nerve is 90% sensory)

10

What is a late EMG sign of CTS?

denervation of abductor pollicis brevis

11

NCV is gold standard for CTS testing but has __ false negative rate?

5-8% false negative rate

12

What is DDx for CTS?

pronator teres syndrome

13

What is pronator teres syndrome?

entrapment of median nerve at forearm

14

How to distinguish between PTS and CTS?

Tenderness at antecubital, pinch weakness, NCV findings proximal to wrist.

15

What is cubital tunnel syndrome?

entrapment of ulnar nerve at elbow

16

Clinical signs of cubital tunnel syndrome?

decreased sensation in medial forearm and 4th and 5th fingers, weakness in intrinsic muscles of hand, Tinel's at elbow

17

What is EMG finding of cubital tunnel syndrome?

denervation of abductor digiti quinti

18

What is most common overuse injury of wrist?

DeQuervain's tenosynovitis

19

Test for DeQuervain's?

Finkelstein's test

20

Which rotator cuff tendinopathy is most common?

supraspinatus

21

What % of population has had neck pain?

9-33%

22

C4 dermatome:

top of shoulders

23

C5 dermatome:

lower shoulder, lateral upper arm

24

C6 dermatome:

lateral forearm, thumb, index finger

25

C7 dermatome:

neck to index, middle finger

26

C8 dermatome:

neck to ring, small finger

27

L5 nerve root dysfunction is associated with what findings?

lateral leg pain, weak EHL

28

S1 nerve root dysfunction is associated with

posterior thigh pain, lateral leg and foot pain, weak ankle plantar flexion, decreased ankle jerk