A manual of anatomy . inserted into the distal por-tion of the line from the lesser trochanter to the linea aspera, dorsal tothe pectineus. Actions.—Adducts and flexes the thigh. Nerve Supply.—Obturator nerve (L. 2, 3, 4). The m. adductor magnus is the largest of this group and arises 198 MYOLOGY from the lateral margin and inferior surface of the tuberosity of theischium, from the margin of the inferior ramus of the ischium and theventral surface of the inferior ramus of the pubic bone. It is in-serted into the femur superior to the linea aspera and continues allalong the linea aspera and the
A manual of anatomy . inserted into the distal por-tion of the line from the lesser trochanter to the linea aspera, dorsal tothe pectineus. Actions.—Adducts and flexes the thigh. Nerve Supply.—Obturator nerve (L. 2, 3, 4). The m. adductor magnus is the largest of this group and arises 198 MYOLOGY from the lateral margin and inferior surface of the tuberosity of theischium, from the margin of the inferior ramus of the ischium and theventral surface of the inferior ramus of the pubic bone. It is in-serted into the femur superior to the linea aspera and continues allalong the linea aspera and the line leading to the medial epicondyle ofthe femur and its adductor tubercle; is is also attached to the medialintermuscular septum. Where the medial epicondylic line begins Iliopsoas XPectineus X Sartorius XRectus X Iliopectineal bursalliafemorai lio. Iliopsoas XVastus lateralis i<astus intermedius Hectusfemoris Vastus medialisPatellaPatellar US. Tendon of sartoriusTendon of oracUis ?Tendon of semitendinosus. Obturatorinter nus PiriformisCoccyoeus Sacrotuberous lonous XGracilis X Obturator externusAdductor brevis Adductor maonus Adductor openino Tendon of adductor maonus 3 Semimembranosus Internal intermuscularseptum Sartorial bursaAnserine bursa G^strocne m 1 us Pes gnserinus Frr,. 153.—The deep layer of muscles of the medial surface of the thigh. The iliopsoas,sartorius, rectus femoris, pectineus, adductor longus, and gracilis have been removed.(Sobotta and McMurrich.) there is a gap in the insertion for the transmission of the femoralvessels. Actions.—Addticts and extends the thigh. Nerve Supply.—Medial portion, tibial, or internal popliteal nerve(L. 4, 5, S. i). Lateral portion, obturator nerve (L. 3, 4). The m. obturator externus arises from the inferior half of the mar-gin of the obturator foramen (ischium and pubis) and from the ad- THE MUSCLES OF THE BUTTOCK IQQ jacent portion of the obturator membrane. It is inserted into thefossa on the medi
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthumananatomy, bookyea
