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

First MTP Medial Collateral Ligament

ligamentum collaterale mediale articulationis metatarsophalangealis hallucis

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

Region: Foot & Ankle
Biomechanics

Function & Actions

Resists lateral hallux deviation, constrains lateral displacement during push-off, and is the ligament progressively stretched in hallux valgus.

Clinical Relevance

Clinical Notes

Progressively elongated in hallux valgus from lateral hallux deviation. Medial capsulorrhaphy tightens the medial MCL as part of hallux valgus soft tissue balancing.

Pathology

Common Injuries & Conditions

Medial MTP Collateral Elongation in Hallux Valgus

Progressive medial MCL stretching addressed by medial capsulorrhaphy in hallux valgus correction.

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