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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.
22 Μαρ 2024 · The semimembranosus muscle starts with a thick, fleshy upper portion and transitions into a broad, flat tendon as it approaches the knee. This structure is why it’s termed “semimembranosus,” as it has a membranous appearance towards its insertion.
11 Φεβ 2024 · The muscles in the posterior compartment of the thigh are collectively known as the hamstrings. They consist of the biceps femoris, semitendinosus and semimembranosus - as a group they act to extend at the hip, and flex at the knee. They are innervated by the sciatic nerve.
24 Οκτ 2022 · The semimembranosus is a muscle within the posterior compartment of the thigh. It is located deep to the semitendinosus muscle within the medial aspect of the posterior thigh. Attachments: Originates from the ischial tuberosity (more superiorly than the origin of the semitendinosus and biceps femoris). Attaches to the medial tibial condyle.
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.
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.
