Does the Thumb Have a Metacarpal?

James H. Sterling
James H. Sterling
• • 6 min read

The First Metacarpal Bone or the Metacarpal Bone of the Thumb Is the First Bone Proximal to the Thumb. It Is Connected to the Trapezium of the Carpus Carpus...

Does the Thumb Have a Metacarpal?

The first metacarpal bone or the metacarpal bone of the thumb is the first bone proximal to the thumb. It is connected to the trapezium of the carpus

carpus
The carpal bones are the eight small bones that make up the wrist (or carpus) that connects the hand to the forearm. The term "carpus" is derived from the Latin carpus and the Greek καρπός (karpós), meaning "wrist". ... The carpal bones allow the wrist to move and rotate vertically.
› wiki › Carpal_bones
at the first carpometacarpal joint and to the proximal thumb phalanx at the first metacarpophalangeal joint.

How many metacarpals does the thumb have?

Phalanges. The 14 bones that are found in the fingers of each hand and also in the toes of each foot. Each finger has 3 phalanges (the distal, middle, and proximal); the thumb only has 2. Metacarpal bones.

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What is the thumb metacarpal?

The thumb metacarpal is a tubular bone; the distal end (far end) is a round knob that forms a joint with the proximal phalanx of the thumb. The proximal end (near end) of the metacarpal and a carpal bone called the trapezium form a joint called the metacarpophalangeal (MCP) joint.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist
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James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.