Clinical Examination (Subscribe)  

There are three main forms of toe abnormalities in the human foot:
* Claw toes
* Hammer toes
* Mallet toes
A claw toe involves abnormal positions of all three joints in the toe. It consists of an extension contracture with dorsal...

The adduction contracture from basal joint arthritis can give the appearance of thenar atrophy.
Thenar atrophy from carpal tunnel syndrome. However, look at how the flexor brevis is preserved - acting as a weak but adequate abductor.

Illustrated account of Trendelenberg sign including quantitation by timing.

Causes of ulnar nerve disorders
* Ulnar nerve can be damaged by dislocation or fracture dislocation of the elbow and can be compressed by those who habitually lean on their elbows.
* May be associated with medial epicondylitis (golfer's elbow).
*...

Look
Feel
Move
Special tests
Pseudo stability test
Tests of DRUJ
Ulnar impingement test
Tests of carpal instability
Tests for pain on radial side of wrist
Phalen's and Tinel's test