Medial Aspect Of Anterior Process Of The Calcaneus

Description

Calcaneus anatomy dominates the frame, isolating the medial aspect of the anterior process where the anterior calcaneal body projects toward the midfoot. The smooth medial surface sits just anterior to the sustentaculum tali, with the shelf-like sustentaculum positioned superiorly and medially as it supports the talus. Close by, the region transitions posteriorly toward the middle talar articular facet on the superior surface and anteriorly toward the calcaneocuboid joint area, even though the cuboid itself is not included. Orientation is fixed to emphasize medial relationships rather than the lateral sinus tarsi. Anterior process morphology matters because it is a frequent site of fracture after inversion injuries, classically the anterior process fracture (often called a snowboarder’s fracture) that can be missed when treated as a routine ankle sprain. This medial perspective helps you correlate the fracture-prone process with adjacent articular and ligamentous territory, including where the bifurcate ligament anchors on the dorsal anterior calcaneus and where pain may localize near the calcaneocuboid region. Small accessory ossicles in this vicinity, such as os calcaneus secundarius, can mimic fracture fragments on radiographs or CT, so appreciating the normal contour and the proximity to the sustentaculum tali improves interpretation. Use this illustration for foot and ankle anatomy teaching in gross anatomy or orthopaedic modules, and as a reference image in radiology or podiatry materials discussing anterior process fractures, accessory ossicles, or calcaneocuboid joint pain patterns. It also fits operative planning discussions where precise bony landmarks guide lateral column procedures and subtalar region orientation. Anatomical accuracy verified by SciePro's Medical Advisory Board.