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MSK III P3 Fall > 6] UE Neural Entrapment > Flashcards

6] UE Neural Entrapment Flashcards

1
Q

Largest unprotected nerve and most important nerve for hand function

A

Ulnar nerve

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2
Q

Cubital tunnel borders

A

Medical epicondyle
Olecranon
FCU

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3
Q

How does cubital tunnel syndrome occur

A

Increased elbow flexion —> increases compression

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4
Q

Chronic/advanced symptoms of cubital tunnel syndrome

A

FCU loss/weak

FDP to ring/small o

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5
Q

Froments sign

A

Add pollicis affected
FPL works
Paper pinching

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6
Q

Chronic advanced Sx of CUTS is weak grip/pinch in what regions

A 
Hypothenar 
Interossei 
Lumbricals
FPB
Add Poll
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7
Q

Wartenbergs sign

A

Little finger ABD

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8
Q

Special tests for ulnar nerve

A

Elbow flex test holding for 1 min
Pollocks test
Tinsel’s elbow (tapping ulnar nerve in trough of elbow)
ULTT

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9
Q

For cubital tunnel treatment, you would splint in less than ?

A

Less than 60 deg elbow flex

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10
Q

3 types of surgeries for cubital tunnel

A

Simple decompression
Medical epicondylectomy
Anterior transposition

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11
Q

Describe guyon’s canal

A 
Handlebar syndrome
• Loss of 3 & 4 lumbricals
• loss of ½ FPB
• Claw hand
• Wartenberg’s sign- abd small finger
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12
Q

Sensory NOT affected

A

Guyons canal

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13
Q

Dorsal hand sensory affected

A

Cubital tunnel

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14
Q

Motor of FCU and FDP not affected

A

Guyons canal

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15
Q

Motor of FCU/FDP affected

A

Cubital tunnel

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16
Q

Radial nerve symptoms distal to the wrist only show

A

Sensory changes

17
Q

Compression of radial nerve is at

A

ECRL and brachioradialis

18
Q

What motion can cause radial nerve Sx

A

Repeated pronation/supination

19
Q

Saturday night palsy

A

Entrapment radial groove of humerus

20
Q

Signs and Sx of PIN

A

Weak finger extensors
Painful with resisted pro/supination and ext of middle finger
No sensation loss

21
Q

Sign and symptoms:
Pain deep in forearm
No sensory or motor loss
rule out tennis elbow

A

Radial tunnel syndrome

22
Q

High median nerve lesions can happen at

A

Axilla, upper arm, elbow

23
Q

Repeated or resisted pronation

• Resistance to isolated flexion of PIP joint of long and ring fingers

A

Pronator syndrome of median nerve

24
Q

Fracture: Radius midshaft
• Excessive exercise
• Idiopathic
• Direct trauma: Stab wound;Venipuncture
• Brachial neuritis (Neuralgic Amyotrophy)
• Anatomic anomalies

A

Anterior interosseous syndrome of median nerve

25
Q

6 types of radial nerve injuries

A 
Saturday Night Palsy
• Crutch Palsy
• Humeral Shaft Fx
• Radial Tunnel Syndrome
• Post Interosseous nerve
• Dorsal Radial Sensory nerve(Wartenberg Syndrome)

MSK III P3 Fall (19 decks)

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