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Foot & Ankle
intermediate
X-Type

Sustentaculum Tali Fractures - FHL Anatomy and Medial Calcaneus

Sustentaculum Tali Fractures

A 35-year-old construction worker falls from height and sustains a displaced intra-articular calcaneal fracture. CT scan shows a sustentacular fragment that is medialized and separate from the main calcaneal body. The surgeon is planning operative fixation. Regarding the anatomy of the sustentaculum tali and its clinical relevance:

Mark each as TRUE or FALSE

A

The sustentaculum tali is a shelf-like projection from the medial aspect of the calcaneus that suppo...

B

The sustentaculum tali maintains its position relative to the talus in most calcaneal fractures due ...

C

The sustentaculum tali has no ligamentous attachments and is freely mobile in calcaneal fractures; i...

D

The flexor hallucis longus runs in a fibro-osseous tunnel beneath the sustentaculum, between the med...

E

The neurovascular bundle (posterior tibial artery, tibial nerve) lies medial and superficial to the ...

Answer the questions to see explanations

Click T (True) or F (False) for each option