Compression Neuropathy

Question 1

4 common bio mechanical causes of compression neuropathy?

Answer 1

Herniated disc, foraminal stenosis, fracture, hematoma, muscle spasm.

Question 2

3 systemic causes of compression neuropathy?

Answer 2

Pregnancy, hypothyroidism, and diabetes

Question 3

Motor of c5, c6, c7, c8 and t1?

Answer 3

Shoulder abduction
Wrist extension and elbow flexion
Wrist flexion, elbow and finger extension
Finger flexion
Finger abduction

Question 4

Sensation of c5,c6,c7,c8,t1?

Answer 4

Lateral arm
Radial forearm and thumb and index
Middle finger
Ulnar forearm and small finger
Medal arm

Question 5

Cervical nerve root compression is usually caused by what?

Answer 5

Secondary to cervical disc disease, like a bulging or herniated disc. This is either protrusion (no leakage of pulposus) or extrusion (leakage of pulposus).

Question 6

In cervical disc ruptures, what direction does it rupture?

Answer 6

Posterior lateral

Question 7

3 most common sites of compression of the radial nerve?

Where is sensation most commonly lost for radial nerve compression?

Answer 7

Spiral groove, elbow and wrist.

Dorsum of the hand.

Question 8

What is the sensory distribution of the superficial radial nerve?
What is another name for the compression neuropathy?

Answer 8

Dorsum of the hand and a little up the thumb, first and second finger area

Handcuff neuropathy

Question 9

3 major sites of compression for median nerve?

Answer 9

Pronator teres, anterior osseous syndrome, carpal tunnel syndrome

Question 10

Where is the location of pain in pronator syndrome?

Answer 10

Mid/proximal forearm

Question 11

What special test to consider when testing for anterior interosseous syndrome? What is unique about the clinical presentation of anterior interosseous syndrome?

Answer 11

OK sign

No sensory symptoms

Question 12

What is the most common compression neuropathy of median nerve, what is the gold standard to diagnose it, and what 2 special tests?

Answer 12

Carpal tunnel
EMG
Phalens and tinels

Question 13

Two most common compression sites for ulnar nerve?

Answer 13

Cubital tunnel

Guyons canal in the wrist

Question 14

2 special tests/signs for ulnar nerve compression at cubital tunnel?

Answer 14

Tinels and froments

Question 15

3 sites of compression for thoracic outlet syndrome?

Answer 15

Scalenes, costoclavilcuar passage, and pec minor insertion at coracoid process

Question 16

4 special tests for throracic outlet syndrome?

Answer 16

Military (extend the arms), east/Roos, adsons, and wrights hyper abduction

Question 17

Motor of the following LE nerve roots?
L1,2
L2,3
L4
L5
S1

Answer 17

Hip flexion
Knee extension
Dorsiflexion
Extend big toe
Plantarflexion

Question 18

Where is the lateral femoral cutaneous nerve compressed most commonly?
Special test for it?

Answer 18

Inguinal ligament at the canal

Tinels test medial and inferior to ASIS

Question 19

Hallmark clinical sign of common fibular n compression?

Answer 19

Foot drop

Question 20

Where is the deep fibular nerve compressed most commonly?
2 symptoms?
Common cause?

Answer 20

Extensor retinaculum
Pain over dorsomedial foot and weakness of extensor digitorum brevis
Recurrent ankle sprains

Question 21

What nerve is being compressed in tarsal tunnel syndrome and where?
2 nerve functions lost?

Answer 21

Posterior tibial nerve behind the medial malleolus

Plantar muscles of foot and sensory to plantar foot

Question 22

What does the OK sign, froments sign, and Hoffman’s sign tell us as far as compression neuropathy?

Answer 22

Median nerve
Ulnar nerve
CNS problem

Question 23

Majority of sciatic cases is caused by what?

Answer 23

SI ligament weakness