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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.
The wrist consists of 8 bones called carpal bones arranged in a complex pattern as seen in the figure to the right. The carpal bones interconnect the metacarpal bones of the hand with the radius and ulna bones of the forearm.he 8 wrist bones include the: A) scaphoid, B) lunate, C) triquetral, D) pisiform, E) trapezium, F) trapezoid, G) capitate, and H) hamate. The wrist joint is a type of pivot joint moving in relation to the forearm bones, the radius and ulna.