Espiral AtlasHamate
os hamatum
Study entry
Parts
Wedge-shaped bone of the distal row, with the hook (hamulus) projecting into the palm.
Joints
Lunate, triquetrum, capitate, 4th and 5th metacarpals.
Palpation
The hook, deeply, distal and lateral to the pisiform.
Clinical
Fracture of the hook in people who hold a bat or racket; the deep branch of the ulnar nerve passes next to it and may be injured.
Source: cap. 3, «Huesos de la mano» y cuadro clínico
Clinical correlation
Fracture of the hamate
The muscles attached to the hamate pull the fragments and may prevent union. The ulnar nerve passes next to the hook and may be injured, weakening the grip; the ulnar artery may also be affected.
Related clinical cases
- Fracture of the hamate