Opponens digiti quinti

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Opponens digiti quinti[edit | edit source]

The opponens digiti quinti is a muscle located in the hand. It is responsible for the movement of the little finger, also known as the fifth digit. In this article, we will explore the anatomy, function, and clinical significance of the opponens digiti quinti.

Anatomy[edit | edit source]

The opponens digiti quinti is a small muscle located in the palm of the hand. It originates from the pisiform bone, which is one of the eight carpal bones in the wrist. From its origin, the muscle runs along the ulnar side of the hand and inserts onto the base of the proximal phalanx of the little finger.

Function[edit | edit source]

The main function of the opponens digiti quinti is to oppose the little finger, allowing it to move towards the thumb. This movement is important for activities that require precision and dexterity, such as grasping small objects or playing musical instruments.

Clinical Significance[edit | edit source]

Injuries or conditions affecting the opponens digiti quinti can lead to weakness or loss of function in the little finger. This can result in difficulties with fine motor tasks and decreased grip strength. Common causes of such issues include trauma, nerve compression, or certain medical conditions like carpal tunnel syndrome.

Treatment[edit | edit source]

Treatment for opponens digiti quinti-related issues depends on the underlying cause. Conservative measures such as rest, immobilization, and physical therapy may be recommended for mild cases. In more severe cases, surgical intervention may be necessary to repair damaged structures or release compressed nerves.

See Also[edit | edit source]

References[edit | edit source]

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Contributors: Prab R. Tumpati, MD