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Ligament Foot & Ankle

Spring Ligament Third Band

pars medioplantar obliqua ligamenti calcaneonavicularis plantaris

The medioplantar oblique band is the third component of the spring ligament complex, running obliquely between the calcaneus and navicular, providing additional inferior talar support.

Region: Foot & Ankle
Biomechanics

Function & Actions

Contributes to inferior spring ligament support alongside the inferoplantar band, providing a broader inferior talar head cradle.

Clinical Relevance

Clinical Notes

Identified in detailed anatomical dissection and MRI assessment. Its disruption contributes to complete spring ligament complex failure in advanced progressive collapsing foot deformity.

Pathology

Common Injuries & Conditions

Third Spring Ligament Band Failure in PCFD

Complete spring ligament complex disruption including the third band indicating advanced flatfoot requiring comprehensive reconstruction.

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