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The radiocarpal joint is a synovial joint thatâs also found in the wrist. The radius articulates with the first row of carpal bones, except for the pisiform. It has a fibrous joint capsule thatâs attached to that distal end of the radius and the ulna and to the carpal bones.
Each finger has three joints. The first joint is where the finger joins the hand. This joint is where the bones that form the palm of the hand, the metacarpals, join with the first bone of the finger, called the proximal phalanx.The second joint is the proximal interphalangeal joint, sometimes called the PIP joint for short.his joint is where the bones that form the palm of the hand, the metacarpals, join with the first bone of the finger, called the proximal phalanx. The second joint is the proximal interphalangeal joint, sometimes called the PIP joint for short.