- May 2, 2026The semimembranosus has a complex five-arm insertion at the posteromedial knee: the direct arm inserts on the posterior medial tibial…
- May 2, 2026The medial quadriceps expansion is the contribution of the vastus medialis obliquus (VMO) and the medial patellar retinaculum to the…
- May 2, 2026The popliteus tendon is a thin, rope-like intraarticular tendon arising from the popliteal sulcus on the posterolateral surface of the…
- May 2, 2026The sartorius is the most anterior and superficial of the three pes anserinus tendons, inserting on the medial tibia proximal…
- May 2, 2026The distal gracilis tendon inserts onto the medial tibia at the pes anserinus, posterior to and below the sartorius and…
- May 2, 2026The distal semitendinosus tendon inserts at the pes anserinus on the medial tibial surface, posterior to the gracilis and anterior…
- May 2, 2026The distal biceps femoris tendon is a broad, thick tendon inserting onto the fibular head (styloid process and posterior surface),…
- May 2, 2026The lateral quadriceps expansion is the contribution of the vastus lateralis and the iliotibial band to the extensor mechanism lateral…
- May 2, 2026The vastus medialis tendon is the medial component of the quadriceps expansion, inserting into the medial border of the patella…
- May 2, 2026The patellar tendon bridges the patella and tibial tuberosity, completing the extensor mechanism. Patellar tendinopathy (jumper's knee) affects the proximal…