picture of 1st metacarpal

Bone & Joint Structure: Metacarpals

The base of the first metacarpal has a saddle configuration; it is convex anterior/posterior and concave medial/lateral. The head of the first metacarpal is relatively convex.


Carpals | Metacarpals | Phalanges | Arches | Bone and Joint Structure | Help | Hand Kinesiology

Lorie Richards and Janice Loudon, October 1997