Thumb Metacarpal

Image from The Interactive Hand CD  Articulations:

Thumb Carpometacarpal Joint
Thumb Metacarpophalangeal Joint
Muscle Attachments:

Abductor Pollicis Longus
Opponens Pollicis
First Dorsal Interosseous
Ligament Attachments:

Epiphyses:

Blood Supply:

Fractures:

Variations:

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