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Semimembranosus: Difference between revisions
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Revision as of 19:34, 4 April 2022
This article is a stub.
| Semimembranosus | |
|---|---|
| Muscle Type | |
| Origin | Ischial tuberosity |
| Insertion | Infraglenoid tubercle of the posterior medial tibial condyle, posterior joint capsule (contributing to the oblique popliteal ligament), popliteal fascia and posterior horn of medial meniscus |
| Action | Flexes knee joint, medially rotates knee joint (when the knee is flexed beyond 90 degrees), extends hip joint (less than biceps femoris) |
| Synergists | Quadriceps Femoris |
| Antagonists | |
| Spinal innervation | L5, S1, S2 |
| Peripheral Innervation | Tibial Nerve |
| Vasculature | Inferior gluteal artery, perforating arteries, popliteal artery |
