Home Body Atlas Ligaments First MTP Lateral Collateral Ligament
Ligament Foot & Ankle

First MTP Lateral Collateral Ligament

ligamentum collaterale laterale articulationis metatarsophalangealis hallucis

The lateral collateral ligament of the first MTP joint connects the lateral first metatarsal head to the lateral proximal phalanx base.

Region: Foot & Ankle
Biomechanics

Function & Actions

Resists medial hallux deviation, provides lateral MTP joint stability, and is contracted in hallux valgus.

Clinical Relevance

Clinical Notes

Lateral MCL contracture contributes to the lateral pull maintaining hallux valgus. Released during lateral soft tissue release in hallux valgus surgery alongside adductor hallucis.

Pathology

Common Injuries & Conditions

Lateral MCL Contracture in Hallux Valgus

Lateral MTP collateral shortening contributing to valgus deformity, released during lateral soft tissue release.

Lateral MTP Sprain

Acute lateral great toe MTP ligament sprain from medial deviation, managed conservatively with taping.

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