Head Of The Fibula, Posterior View

Description

Fibular head anatomy dominates the proximal lateral leg in this posterior view, emphasizing the triangular contour and irregular cortical texture of the proximal epiphysis. The apex (styloid process) projects superiorly while the fibular neck narrows inferiorly, a transition that creates a palpable step-off along the posterolateral margin. Medially, the articular facet for the lateral tibial condyle is positioned to form the proximal tibiofibular joint, while the posterolateral surface provides a broad footprint for the biceps femoris tendon and the fibular (lateral) collateral ligament. Surface landmarks read well from this angle. Orthopaedic and sports medicine teams often return to the fibular head because it sits at the intersection of lateral knee stability and peroneal nerve vulnerability, with the common fibular (peroneal) nerve coursing posterior to the biceps femoris tendon before winding around the fibular neck where traction or compression can produce foot drop. Posterior surface detail also supports teaching the posterolateral corner, where injury patterns may include fibular head avulsion fragments (the arcuate sign) and disruption of ligamentous attachments that are planned around fixed bony landmarks. One bony landmark, several consequences. Use this illustration in lower limb anatomy labs, MSK radiology primers that correlate plain films and CT with palpable bone, or operative manuals covering LCL and posterolateral corner reconstruction where accurate tunnel placement and graft fixation relate directly to the fibular head and styloid. It also fits patient education materials explaining proximal tibiofibular joint pain or nerve symptoms from fibular neck compression. Anatomical accuracy verified by SciePro's Medical Advisory Board.