Home Body Atlas Ligaments Spring Ligament Inferoplantar Band
Ligament Foot & Ankle

Spring Ligament Inferoplantar Band

pars inferoplantar ligamenti calcaneonavicularis plantaris

The inferoplantar longitudinal spring ligament band runs from the anterior calcaneal process to the navicular inferomedial beak, providing inferior navicular support.

Region: Foot & Ankle
Biomechanics

Function & Actions

Provides inferior talar head support and constrains inferior talar migration as the inferior arm of the spring ligament complex.

Clinical Relevance

Clinical Notes

Torn in later-stage flatfoot accompanying superomedial band failure. MRI demonstrates inferoplantar tear at the calcaneal anterior process or navicular beak. Combined tears indicate complete spring ligament complex failure.

Pathology

Common Injuries & Conditions

Combined Spring Ligament Band Tears in Advanced Flatfoot

Both bands torn in advanced AAFD indicating complete failure requiring comprehensive flatfoot reconstruction.

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