The hand bones are also known as carpel bones. In in depth source to learn and see the anatomy of all the different bones in the hand. Carpal (wrist) bones – Your wrist is made up of eight small bones (carpal bones) plus two long bones in your forearm — the radius and the ulna.
Each hand contains 27 distinct bones that give the hand an incredible range and precision of motion. The forearm’s ulna and radius support the many muscles that manipulate the bones of the hand and wrist. Rotation of the radius around the ulna results in the supination and pronation of the hand.
Toggle Anatomy System. Each of the digits of the hands contains 3 phalanges (singular: phalanx) except for the thumbs that contain only 2. The phalanges are long, slender bones that form hinge joints between each other. Phalanges that articulate with the metacarpals at the base of the digits are known as the proximal phalanges.