Lateral Tubercle Of The Talus, Inferior View

Description

Talus anatomy is centered on the posterior process, where the lateral tubercle projects posterolaterally from the inferior aspect of the body. From an inferior viewpoint, the lateral tubercle sits lateral to the groove for the flexor hallucis longus tendon, a channel that runs between the lateral and medial tubercles and continues toward the posteromedial ankle. Immediately anterior to the posterior process, the posterior calcaneal articular facet occupies most of the plantar surface of the talar body, while the sulcus tali forms a deep oblique depression that contributes to the tarsal canal and sinus tarsi complex. Bony contours are the point. Clinical relevance concentrates at the posterolateral talus. An enlarged lateral tubercle (often termed a Stieda process) or an unfused secondary ossification center (os trigonum) can narrow the posterior ankle interval and produce posterior ankle impingement, a familiar problem in ballet, soccer, and other activities requiring forced plantarflexion. The relationship to the flexor hallucis longus groove also matters: tenosynovitis or tendon entrapment commonly localizes to this channel and can mimic subtalar pathology, so a crisp inferior perspective helps you separate tendon-related pain from subtalar joint disease and from fractures of the posterior process. Use this illustration in foot and ankle anatomy courses, radiology teaching files correlating with lateral ankle radiographs and CT, and orthopedic or podiatric manuscripts discussing posterior process fractures, os trigonum syndrome, or subtalar arthroscopy portals oriented around the sinus tarsi and sulcus tali. It also suits patient-facing surgical consent materials when explaining posterolateral ankle impingement anatomy without overloading the talar head and neck. Anatomical accuracy verified by SciePro's Medical Advisory Board.