Collateral ligaments of metatarsophalangeal joints

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Collateral Ligaments of Metatarsophalangeal Joints

The collateral ligaments of the metatarsophalangeal joints are crucial structures in the foot that provide stability to the metatarsophalangeal joints. These ligaments are located on either side of each metatarsophalangeal joint, connecting the metatarsal bones to the proximal phalanges of the toes.

Anatomy[edit | edit source]

Each metatarsophalangeal joint has two collateral ligaments: a medial collateral ligament and a lateral collateral ligament. These ligaments are composed of strong, fibrous connective tissue and are essential for maintaining the alignment and stability of the joints during movement.

  • Medial Collateral Ligament: This ligament is located on the inner side of the joint and helps prevent excessive lateral movement.
  • Lateral Collateral Ligament: This ligament is located on the outer side of the joint and helps prevent excessive medial movement.

Function[edit | edit source]

The primary function of the collateral ligaments is to stabilize the metatarsophalangeal joints during various activities such as walking, running, and jumping. They prevent the joints from dislocating and allow for controlled movement in multiple directions.

Clinical Significance[edit | edit source]

Injuries to the collateral ligaments of the metatarsophalangeal joints can occur due to trauma, overuse, or degenerative conditions. Common injuries include sprains, tears, and inflammation, which can lead to pain, swelling, and instability in the affected joint. Treatment may involve rest, physical therapy, or in severe cases, surgical intervention.

Related Structures[edit | edit source]

See Also[edit | edit source]


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Contributors: Prab R. Tumpati, MD