Where the trapezoid sits in the skeleton
The trapezoid is a small bone of the far row of wrist bones, next to the trapezium. It articulates with the metacarpal of the index finger. It is the smallest of the four bones in the far row of the wrist. Besides the second metacarpal it meets the trapezium, capitate and scaphoid.
Frequently asked questions
Which part of the skeleton is the trapezoid in?
The trapezoid is one of the bones of the hand. The hand is made of eight carpal bones, five metacarpals and fourteen phalanges.
How many bones are in the hand?
Each hand has 27 bones: eight carpal bones in the wrist, five metacarpals in the palm and fourteen phalanges in the fingers.
Is there one trapezoid or a pair?
The trapezoid is paired: there is one on the left and one on the right, and this page covers both.
Which bones does the trapezoid meet?
The second metacarpal in front, the trapezium and capitate on either side, and the scaphoid behind.
Other bones of the hand
- Scaphoid
- Lunate
- Triquetral
- Pisiform
- Trapezium
- Capitate
- Hamate
- First metacarpal bone
- Second metacarpal bone
- Third metacarpal bone
- Fourth metacarpal bone
- Fifth metacarpal bone
- Proximal phalanx of thumb
- Distal phalanx of thumb
- Proximal phalanx of index finger
- Middle phalanx of index finger
- Distal phalanx of index finger
- Proximal phalanx of middle finger
- Middle phalanx of middle finger
- Distal phalanx of middle finger
- Proximal phalanx of ring finger
- Middle phalanx of ring finger
- Distal phalanx of ring finger
- Proximal phalanx of little finger
- Middle phalanx of little finger
- Distal phalanx of little finger
Compare with similar bones
Bone counts
By region
Read more
Related reading
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- What getting up from a chair says about how your body is ageing
- Why ageing bone marrow turns to fat, and a PEMF study in mice
- PEMF and whole-body vibration: two rhythms that reach the body
- Myokines: the signals working muscle sends to the body
- Ageing parents: the changes families notice first
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