Bones of The Wrist – Introduction, Eight Carpal Bones, and Common Injuries

Introduction;

Bones of The Wrist – Introduction Eight Carpal Bones and Common Injuries.

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The Eight Carpal Bones

The eight carpal bones are the small bones of the wrist. They are arranged in two rows, with four bones in each row. The carpal bones in the first row are the scaphoid, lunate, triquetral, and pisiform bones. The carpal bones in the second row are the trapezium, trapezoid, capitate, and hamate bones.

Anatomy of Wrist Joint

The wrist joint is a synovial joint, which means that it is a freely movable joint that is surrounded by a capsule. The joint is formed by the radius and ulna bones in the forearm and the carpal bones in the hand. The carpal bones are eight small bones that are arranged in two rows. The proximal row of carpal bones includes the scaphoid, lunate, and triquetral bones, and the distal row includes the trapezium, trapezoid, capitate, and hamate bones.

The joint surfaces of the radius and ulna are covered with cartilage, and the cartilage is lubricated by a synovial membrane. The joint capsule is a thin membrane that surrounds the joint and secretes synovial fluid, which lubricates and cushions the joint. The muscles that attach to the bones of the forearm and hand control the movement of the wrist joint.

Soft Tissue In The Wrist

The soft tissue in the wrist includes the tendons, ligaments, and muscles. The tendons are the tough cords of tissue that attach the muscles to the bones. The ligaments are the tough bands of tissue that connect the bones together. The muscles are the tissues that make the arm and hand move.

Common Wrist Injuries

There are many different types of wrist injuries that can occur, but some of the most common include sprains, strains, fractures, and dislocations.

A sprain is a stretch or tear of the ligaments that connect the bones in the wrist. A strain is a stretch or tear of the muscles and tendons in the wrist. Both sprains and strains can be very painful and can make it difficult to use the wrist.

A fracture is a break in one or more of the bones in the wrist. A dislocation is a separation of two bones in the wrist. These types of injuries can be very serious and may require surgery. Bones of The Wrist – Introduction Eight Carpal Bones and Common Injuries.