ulnar, and radial nerves: The median nerve passes through the carpal tunnel under the flexor retinaculum of the hand and distally divides into recurrent and common palmar digital branches. carpal ...
Ulnar nerve compression usually occurs around the elbow joint, a condition called cubital tunnel syndrome. Much less often, compression can occur at the wrist, a condition sometimes known as Guyon ...
If your outer wrist feels sore and achy, you might chalk it up to arthritis. But that discomfort could be ulnar wrist pain, which affects the side of the wrist closest to the pinky finger.