A Patient Reports Numbness and Weakness of the Wrist with Pain

A patient reports numbness and weakness of the wrist with pain focuses on the radial aspect of the joint. During physical examination, what will the examiner do to help diagnose this condition?

A) Applying press to the focus area
B) Flexing the thumb while placing a finger on the metacarpophalangeal joint
C) Passively extending the thumb and observe for puckering of the skin
D) Placing the thumb on the palm while deviating the hand toward the ulna