Home Body Atlas Ligaments Third MTP Plantar Plate
Ligament Foot & Ankle

Third MTP Plantar Plate

planta pedis articulationis metatarsophalangealis tertii

The plantar plate of the third MTP joint is the fibrocartilaginous structure providing the plantar floor of the third metatarsophalangeal articulation.

Region: Foot & Ankle
Biomechanics

Function & Actions

Resists third MTP hyperextension, distributes plantar load across the metatarsal head, and prevents dorsal proximal phalanx subluxation.

Clinical Relevance

Clinical Notes

Third MTP plantar plate pathology produces lesser metatarsalgia under the third metatarsal head. Plantar plate tears are assessed by MRI and addressed by plantar plate repair combined with Weil shortening osteotomy.

Pathology

Common Injuries & Conditions

Third MTP Plantar Plate Tear

Plantar plate disruption producing third metatarsal head pain and third toe dorsal subluxation, repaired in conjunction with Weil osteotomy.

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