23. Hook of Hamate Bone

Hook of the Hamate Bone. This is found at the proximal, ulnar side of the hamate bone. The hook is a curved, hook-like process that projects 1-2 mm distally and radially. The hook forms the ulnar border of the carpal tunnel and the radial border for Guyon's Canal. This area can become fractured by a massage therapist who uses their palm for compression and other strokes. 

MT's avoid this area it is near the ulnar nerve.