UE Compression Neuropathies Flashcards

1
Q

The Radial Nerve supplies sensation to?

A

Dorsal hand

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2
Q

The Radial nerve supplies motor to?

A

Triceps and wrist Extensors

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3
Q

What are 3 possible sites of entrapment of the Radial nerve?

A
  1. High on the humerus
  2. Radial Tunnel
  3. Wrist
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4
Q

If the Radial Nerve is trapped high on the humerus, what are some symptoms?

A

Wrist drop

Elbow flexion and triceps issues

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5
Q

If the Radial Nerve is trapped at the radial tunnel, what are some symptoms?

A

Wrist drop

Pain with supination distal to the lateral epicondyle

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6
Q

If the Radial Nerve is trapped at the wrist, what is the symptom?

A

Sensory changes on dorsal hand

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7
Q

What causes Radial Nerve entrapment at the radial tunnel and what are the symptoms?

A

Repetitive rotatory movements

= wrist drop, pain with supination distal to lateral epicondyle

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8
Q

What causes Radial nerve entrapment high on the humerus and what are the symptoms?

A

Humerus fracture

= Wrist drop, elbow flexion and triceps issues

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9
Q

What 3 syndromes all affect the Median Nerve?

A

Pronator Syndrome
Anterior Interosseous Syndrome
Carpal Tunnel Syndrome

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10
Q

Pronator Syndrome will have pain where? What nerve?

A

Median nerve

= Pain in mid forearm, especially with pronation

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11
Q

Anterior Interosseous Syndrome affects which branch of the Median Nerve that does what?

A

Deep motor branch

– innervates flexors

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12
Q

What is the sign of Anterior Interosseous Syndrome?

A

CANNOT hold the “OK” sign due to weak flexion ability

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13
Q

Are there sensory symptoms with Anterior Interosseous Syndrome?

A

NO

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14
Q

What is the most common compression neuropathy?

A

Carpal Tunnel Syndrome

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15
Q

Carpal Tunnel Syndrome involves compression of what nerve where?

A

Median Nerve under the flexor retinaculum

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16
Q

Where are the symptoms located for Carpal Tunnel Syndrome?

A

Thumb, index and middle finger

17
Q

What is the Gold standard for diagnosis of Carpal Tunnel Syndrome?

A

EMG

18
Q

Besides EMG, what 2 other tests can screen for Carpal Tunnel Syndrome?

A

Tinel’s

Phalen’s

19
Q

Cannot hold the “OK” sign

A

Anterior Interosseous Syndrome

– deep motor branch of the median nerve

20
Q

Pain in the mid forearm

A

Pronator Syndrome

– Median Nerve

21
Q

Where does the Ulnar Nerve usually get trapped at?

A

Cubital Tunnel

22
Q

When is Ulnar nerve entrapment common?

A

Baseball pitchers
Prolonged elbow flexion
Elbow external compression on surface

23
Q

What are the symptoms of Ulnar Nerve entrapment?

A

4th and 5th fingers affected

– Also pain on the medial elbow

24
Q

Froment’s Sign

A

Thumb flexes to pinch paper to index finger

- ULNAR nerve entrapment

25
Q

Thumb flexes to pinch paper to index finger

A

Froment’s sign

– Ulnar nerve entrapment

26
Q

Tinel’s are the elbow indidcates?

A

Ulnar nerve entrapment at cubital tunnel

27
Q

Thoracic Outlet Syndrome usually involves compression of?

A

Brachial plexus or subclavian vessels

28
Q

3 sites of compression for Thoracic Outlet Syndrome?

A

Scalene triangle
Costoclavicular passage
Pec. Minor attachment at coracoid process

29
Q

With Thoracic Outlet Syndrome, the symptoms will be exacerbated with?

A

Overhead activities

30
Q

List 4 tests to screen for Thoracic Outlet Syndrome?

A

Roos
Military
Adson’s
Wright’s Hyperabduction