The carpus (wrist) consists of 8 carpal bones arranged in two rows of 4. These bones are small and irregular in shape. Do not memorize their names. They articulate with each other, with the radius proximally, and with the metacarpals distally.

There are 5 metacarpals supporting the palm, one associated with each digit. The four associated with the fingers articulate proximally with each other as well as with the carpal bones.
The lateral metacarpal, which is associated with the thumb, is more freely movable and articulates only with the carpus. Free movement at this joint permits opposition of the thumb and fingers so that objects may be grasped in the hand.

The phalanges are the bones of the digits. There are 3 bones in each of the fingers, and two in the thumb. The terminal phalanx in each digit is spade shaped, providing a broad base to support the soft tissue of the finger tips.