Carpal articulations

Carpal Articulations refer to the joints formed between the carpal bones in the human hand. These articulations are complex and allow for a wide range of motion, including flexion, extension, abduction, and adduction.

Anatomy

The carpal bones are arranged in two rows: the proximal row and the distal row. The proximal row includes the scaphoid, lunate, triquetrum, and pisiform bones. The distal row includes the trapezium, trapezoid, capitate, and hamate bones.

The carpal articulations are formed between these bones and are classified as synovial joints, specifically gliding joints. This means that the articulating surfaces of the bones are covered with a layer of hyaline cartilage and enclosed within a joint capsule filled with synovial fluid.

Function

The primary function of the carpal articulations is to facilitate movement of the hand and wrist. These joints allow for a wide range of motion, including flexion, extension, abduction, and adduction. They also contribute to the stability of the hand and wrist, helping to prevent injury during physical activity.

Clinical Significance

Injuries or disorders affecting the carpal articulations can lead to a variety of conditions, such as carpal tunnel syndrome, osteoarthritis, and rheumatoid arthritis. Treatment for these conditions may involve medication, physical therapy, or surgery.

See Also

• Carpal bones
• Synovial joint
• Carpal tunnel syndrome
• Osteoarthritis
• Rheumatoid arthritis

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