Anatomical Structure and Location of the Inferior Medial Genicular Artery

Description

Running along the medial aspect of the proximal leg, the inferior medial genicular artery arises from the popliteal artery in the popliteal fossa and curves anteriorly deep to the medial head of gastrocnemius toward the medial tibial condyle. Its course passes inferior to the medial tibial plateau and close to the medial collateral ligament, with perforating branches contributing to the periarticular genicular anastomosis around the knee. Superficial veins track in blue, while deeper arterial channels in red outline the relationship between the popliteal segment posteriorly and the periarticular network anteriorly. Bilateral anterior and posterior limb views clarify where the vessel sits relative to the tibia, femur, and joint line. For knee surgery and periarticular trauma, this artery matters because it is one of the consistent medial contributors to patellar and tibial plateau perfusion, and it can be injured in medial tibial plateau fractures or during medial soft tissue releases. Its proximity to the posteromedial capsule and pes anserinus region also makes it a practical landmark when planning incisions and dissection planes, and it explains sources of periarticular bleeding encountered during arthrotomy. Small vessel. Real consequences. Educators can drop this figure into lower-limb anatomy teaching to anchor the concept of genicular collateral circulation and to connect the popliteal artery to the periarticular vascular net. It also suits orthopedic and sports-medicine publications discussing tibial plateau fixation, medial meniscal repair approaches, or postoperative hemarthrosis in relation to genicular vessel injury. Anatomical accuracy verified by SciePro's Medical Advisory Board.