Palmar carpometacarpal ligaments

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Palmar carpometacarpal ligaments are a group of ligaments located in the hand. These ligaments play a crucial role in stabilizing the carpometacarpal joints of the palm.

Anatomy

The palmar carpometacarpal ligaments are found on the palmar (anterior) side of the hand. They connect the carpal bones to the metacarpal bones, specifically at the bases of the metacarpals. These ligaments are part of the complex ligamentous structure that provides stability and allows for the intricate movements of the hand.

Function

The primary function of the palmar carpometacarpal ligaments is to stabilize the carpometacarpal joints. These joints are essential for the dexterity and strength of the hand, enabling movements such as gripping and pinching. The ligaments prevent excessive movement that could lead to dislocation or injury.

Clinical Significance

Injuries to the palmar carpometacarpal ligaments can result from trauma, such as falls or direct impacts to the hand. Such injuries can lead to pain, swelling, and reduced function of the hand. Diagnosis typically involves physical examination and imaging studies like X-ray or MRI. Treatment may include rest, immobilization, physical therapy, or in severe cases, surgical intervention.

Related Structures

The palmar carpometacarpal ligaments work in conjunction with other ligaments in the hand, including the dorsal carpometacarpal ligaments, interosseous ligaments, and the collateral ligaments of the fingers. These structures collectively contribute to the stability and function of the hand.

See Also

• Carpometacarpal joint
• Metacarpal bones
• Carpal bones
• Ligament
• Hand anatomy