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The wrist or carpus consists of eight small irregular bones arranged in two rows of four. Proximal row: Scaphoid, lunate, triquetral and pisiform. Distal row: Trapezium, trapezoid, capitate and hammate. The wrist joint has two main components: radiocarpal and midcarpal.
31 Μαρ 2023 · The wrist joint (also known as the radiocarpal joint) is an articulation between the radius and the carpal bones of the hand. It is condyloid-type synovial joint which marks the area of transition between the forearm and the hand.
There are 27 bones in each human hand, with the total number being 54. These bones, along with the muscles and ligaments in the region, give structure to the human hand and allow for all the movement and dexterity of the hands and fingers.
12 Ιουν 2023 · Hand and wrist bones. Bones provide the main structural support in your hand and wrist. They give them their shape and are the anchors other pieces are connected to. Hand bones. There are 19 bones in each of your hands. They’re grouped together by their location and function: Metacarpals: The bones that are in your palm and give it its shape.
The anatomy of wrist, thumb and hand is complex because of the presence of many different functional joints: the distal radioulnar joint, the wrist joint (containing the radiocarpal and the intercarpal joints, the carpometacarpal joints, the trapezium–first metacarpal joint), the metacarpophalangeal joints and the interphalangeal joints.
30 Οκτ 2023 · The radiocarpal joint is a synovial joint formed between the radius, its articular disc and three proximal carpal bones; the scaphoid, lunate and triquetral bones.
The human hand and wrist consist of 27 bones: 8 carpal bones (bones of the wrist), 5 metacarpal bones (bones of the palm) and 14 phalanges (bones of the fingers and thumb). The carpal bones join the radius and the ulna of the forearm to the metacarpal bones. The carpal bones are situated in two rows across the wrist.
