| semimembranosus | <anatomy, muscle> Origin, tuberosity of ischium; insertion, medial condyle of tibia and by membrane to tibial collateral ligament of knee joint, popliteal fascia, and via its reflected tendon of insertion (oblique popiteal ligament) lateral condyle of femur; action, flexes knee and rotates leg medially when knee is flexed; and contributes to the stability of extended knee by making capsule of knee joint tense; nerve supply, tibial. Synonym: musculus semimembranosus. (05 Mar 2000) |
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| semimembranosus reflex | Contraction of these muscles by tapping in the region of the tuberosity of the tibia. (05 Mar 2000) |
| bursa of semimembranosus | <anatomy> It lies between the muscle, the head of the gastrocnemius, and the knee joint. Synonym: bursa musculi semimembranosi, Brodie's bursa. (05 Mar 2000) |
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| musculus semimembranosus | <anatomy, muscle> Origin, tuberosity of ischium; insertion, medial condyle of tibia and by membrane to tibial collateral ligament of knee joint, popliteal fascia, and via its reflected tendon of insertion (oblique popiteal ligament) lateral condyle of femur; action, flexes knee and rotates leg medially when knee is flexed; and contributes to the stability of extended knee by making capsule of knee joint tense; nerve supply, tibial. Synonym: musculus semimembranosus. (05 Mar 2000) |