Palmar intercarpal ligaments

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Palmar intercarpal ligaments are a group of ligaments located in the wrist that connect the carpal bones on the palmar (anterior) side. These ligaments play a crucial role in maintaining the stability and proper alignment of the carpal bones, which are essential for the complex movements of the wrist and hand.

Anatomy

The palmar intercarpal ligaments are part of the intricate network of ligaments in the wrist. They are situated on the palmar side of the carpal bones and are responsible for connecting various carpal bones to each other. The primary carpal bones involved include the scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, and hamate.

Specific Ligaments

The palmar intercarpal ligaments can be divided into several specific ligaments, each connecting different carpal bones:

• The scapholunate ligament connects the scaphoid and lunate bones.
• The lunotriquetral ligament connects the lunate and triquetrum bones.
• The trapeziotrapezoid ligament connects the trapezium and trapezoid bones.
• The capitohamate ligament connects the capitate and hamate bones.

Function

The primary function of the palmar intercarpal ligaments is to stabilize the carpal bones during wrist movements. They help maintain the proper alignment of the bones, allowing for smooth and coordinated movements. These ligaments also play a role in distributing the forces exerted on the wrist during various activities, thereby preventing injuries and ensuring the efficient functioning of the wrist joint.

Clinical Significance

Injuries to the palmar intercarpal ligaments can lead to instability and dysfunction of the wrist. Common injuries include sprains, tears, and ligamentous laxity. Such injuries can result from trauma, overuse, or degenerative changes. Diagnosis typically involves clinical examination and imaging studies such as MRI or CT scan.

Treatment for ligament injuries may include rest, immobilization, physical therapy, and in severe cases, surgical intervention. Early diagnosis and appropriate management are crucial for optimal recovery and prevention of long-term complications.

See Also

• Dorsal intercarpal ligaments
• Wrist joint
• Carpal tunnel
• Flexor retinaculum of the hand
• Extensor retinaculum of the hand

External Links

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