left semimembranosus
Muscular systemLower limbLeftFMA22449
Nomenclature
left semimembranosus
musculus semimembranosus (Latin)
muscolo semimembranoso sinistro (Italian)
Descriptionentry
Flat muscle of the medial posterior compartment of the thigh.
Functionentry
Flexion of the knee; extension of the hip; medial rotation of the flexed leg.
Originentry
Ischial tuberosity.
Insertionentry
Medial condyle of the tibia; expansions to the oblique popliteal ligament.
Innervationentry
Tibial division of the sciatic nerve (L5-S2).
Blood supplyentry
Perforating branches of the deep femoral artery.
Model