Pisometacarpal ligament

Pisometacarpal ligament is a ligament in the human hand that connects the pisiform bone to the metacarpal bones. It is one of the several ligaments that contribute to the stability of the wrist joint.

Etymology

The term "pisometacarpal" is derived from the Latin words "pisum" meaning pea (referring to the pea-shaped pisiform bone) and "metacarpus" which refers to the hand bones.

Anatomy

The pisometacarpal ligament is a fibrous band of connective tissue that extends from the pisiform bone to the base of the fifth metacarpal bone. It is one of the palmar carpal ligaments, which are located on the anterior (palm) side of the wrist.

Function

The primary function of the pisometacarpal ligament is to stabilize the pisiform bone and prevent it from moving excessively during hand and wrist movements. It also contributes to the overall stability of the wrist joint.

Clinical significance

Injury to the pisometacarpal ligament can lead to instability of the pisiform bone and wrist joint, resulting in pain and reduced hand function. Treatment typically involves rest, immobilization, and physical therapy. In severe cases, surgery may be required to repair the damaged ligament.

Related terms

• Ligament: A band of fibrous tissue that connects bones to other bones.
• Pisiform bone: A small, pea-shaped bone located in the wrist.
• Metacarpal bones: The five long bones in the hand.
• Wrist joint: The complex joint at the junction of the forearm and the hand.

Pisometacarpal ligament Resources
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