On examination, your patient reports that he is an avid cyclist and over the past 2 months has been experiencing numbness of the little finger and the ulnar side of his ring finger that has become painful over the past week with an inability to effectively grasp the handlebars.One area of possible nerve compression producing these signs and symptoms is:
A)Carpal tunnel.
B)Tunnel of Guyon.
C)Thoracic outlet.
D)Tarsal tunnel.

Question

Quizplus · Accepted Answer

The Tunnel of Guyon, also known as the ulnar canal, is located in the wrist and is a common site of nerve compression in avid cyclists due to the repetitive pressure on the wrist and hand while gripping the handlebars. The symptoms described by the patient, including numbness and pain in the little finger and ulnar side of the ring finger, as well as difficulty grasping the handlebars, are consistent with compression of the ulnar nerve at the Tunnel of Guyon. Carpal tunnel syndrome involves compression of the median nerve at the wrist, thoracic outlet syndrome involves compression of nerves and blood vessels in the neck and shoulder region, and tarsal tunnel syndrome involves compression of nerves at the ankle.

On Examination, Your Patient Reports That He Is an Avid