The hand consists of 27 bones that can be divided into three groups: carpal, metacarpal, and phalangeal bones.
Description
The 27 bones of the hand can be divided into three major groups:
- The carpal bones
- The metacarpal bones
- The bones of the phalanges
Carpal bones
The carpal bones are 8 bones arranged into 2 equal rows (4 in each row) found within the wrist:
- The proximal row consists of the scaphoid, lunate, triquetrum and pisiform bones (from lateral to medial).
- The distal row consists of the trapezium, trapezoid, capitate, and hamate bones.
Proximal row
Scaphoid bone
The scaphoid (from Latin: "boat-shaped") bone articulates with the radius, trapezium, trapezoid, lunate and capitate bones.
- Its