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2 Αυγ 2023 · Semimembranosus is a relatively large muscle that originates from a small facet on the rough superolateral surface of the ischial tuberosity. The tendon of semimembranosus appears at the level of the mid-thigh and continues caudally toward the point of insertion at the medial condyle of the tibia.
Semimembranosis is one of a group of muscles called the Hamstrings. It is located on the posteromedial side of the thigh deep to Semitendinosus and medial to the Biceps Femoris.
Anatomy and functions of the semimembranosus muscle shown with 3D model animation.
2 Ιαν 2022 · Semimembranosus. Origin. Superior lateral quadrant of the ischial tuberosity. Insertion. Posterior surface of the medial tibial condyle. Action. Extends the thigh, flexes the knee, and also rotates the tibia medially, especially when the knee is flexed. Innervation.
24 Οκτ 2022 · Actions: Flexion of the leg at the knee joint. Extension of thigh at the hip. Medially rotates the thigh at the hip joint and the leg at the knee joint. Innervation: Tibial part of the sciatic nerve. Blood Supply: Profunda femoris artery. Fig 1. The muscles of the posterior thigh. Fig 2.
7 Νοε 2022 · Interactive 3D model of the semimembranosus muscle and information on its origin, insertion, action, innervation, and blood supply.
The semimembranosus muscle (/ ˌsɛmiˌmɛmbrəˈnoʊsəs /) is the most medial of the three hamstring muscles in the thigh. It is so named because it has a flat tendon of origin. It lies posteromedially in the thigh, deep to the semitendinosus muscle. It extends the hip joint and flexes the knee joint.
