Interosseous Talocalcaneal Ligament

Description

The lateral ligaments of the foot. The Interosseous Talocalcaneal Ligament is labeled.

Intrinsic ligamentous stabilisers of the subtalar joint (coronal section): Inferior extensor retinaculum (blue), cervical ligament (green), inter-talocalcaneal ligament (red)

Names

• Interosseous Talocalcaneal Ligament
• Talocalcaneal Interosseous Ligament
• Interosseous Ligament of the Subtalar Joint
• Interosseous Subtalar Ligament
• Ligamentum Talocalcaneum Interosseum

General

• Major ligament between the talus and calcaneus
• Consists of two partially united layers
  • Anterior lamina: talocalcaneonavicular joint
  • Posterior lamina: talocalcaneal joint

Gross Anatomy

• Superior attachments: articular facets under the talus
• Inferior attachment: corresponding depressions on the calcanus
• Thick, strong, 2.5 cm in width

Function

• Binds the calcaneus and talus firmly
• Supports the subtalar joint, sinus tarsi

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Clinical Significance

Pathology

• Sinus Tarsi Syndrome

Procedural

• Sinus Tarsi Injection

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See Also

• Ankle Pain Main
• Physical Exam Ankle
• Ankle Anatomy Main

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