Inferoplantar longitudinal calcaneonavicular ligament
Ligamentum calcaneonaviculare inferoplantere longitudinalis
- Synonym: Inferoplantar longitudinal band of spring ligament
- Acronym: IPL
Definition
The inferoplantar longitudinal ligament is the portion of the spring ligament complex that runs longitudinally along the inferoplantar aspect of the complex, from the calcaneus to the navicular. It is the thickest of the plantar components and is consistently identified in anatomical and imaging studies.
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