Hand examination

Question 1

There are 6 causes for Dupytrens contracture

Answer 1

DM
Heavy labour
Phenytoin
Familial
CLD
Trauma

Question 2

Where do you touch to test the sensation of the median nerve

Answer 2

Lateral aspect of index finger

Question 3

Where do you touch to test the sensation of the Radial nerve

Answer 3

Dorsal 1st interosseous space

Question 4

Where do you touch to test the sensation of the ulnar nerve

Answer 4

Medial aspect of the 5th finger

Question 5

How would you elicit Tinel’s sign

Answer 5

Tap on the nerve

Question 6

What would be a + Tinel sign

Answer 6

Distal tingling after proximal tapping on nerve

Question 7

Explain how Phalens sign achieve its results

Answer 7

Draws lumbrical muscles in to the carpal tunnel. Increases pressure on median nerve by mass effect.

Question 8

Reverse Phalens sign increases the pressure by 34mmHg (normal = 4mmHg). Demonstrate both hand positions.

Answer 8

Normal = dorsum to dorsum
Reverse = praying

Question 9

In a + froments sign the thumb flexes (FPL muscle) to compensate for …. nerve neuropathy affecting … muscle

Answer 9

Ulnar

adductor pollicis

Answer 10

Squeeze
Pinch
Piano
Button