. Cunningham's Text-book of anatomy. Anatomy. 406 THE MUSCULAK SYSTEM. the middle third of the thigh, the roof of Hunter's adductor canal. The ilio-psoas, passing into the thigh beneath the inguinal liga- ment, assists along with the pectineus and adductor muscles in forming the floor of the femoral triangle. M. Sartorius.—The sartor- ius, a long strap-like muscle, arises from the superior anterior spine of the ilium and half of the notch below it (Fig. 360). It passes distally in the thigh to the medial side of the knee, where it is inserted by aponeurotic fibres into the medial surface of th
. Cunningham's Text-book of anatomy. Anatomy. 406 THE MUSCULAK SYSTEM. the middle third of the thigh, the roof of Hunter's adductor canal. The ilio-psoas, passing into the thigh beneath the inguinal liga- ment, assists along with the pectineus and adductor muscles in forming the floor of the femoral triangle. M. Sartorius.—The sartor- ius, a long strap-like muscle, arises from the superior anterior spine of the ilium and half of the notch below it (Fig. 360). It passes distally in the thigh to the medial side of the knee, where it is inserted by aponeurotic fibres into the medial surface of the shaft of the tibia just distal to the medial condyle, and by its borders into fascial expansions which join the capsule and the tibial collateral ligament of the knee-joint, and the fascia lata of the leg (Fig. 363, p. 408). The sartorius is superficial in its whole extent. Its proximal third forms the lateral boundary of the femoral triangle; its middle third forms the roof of the ad- ductor canal; and its distal third, in contact with the medial side of the knee, is separated from the tendon of the gracilis muscle by the saphenous nerve and the saphenous branch of the arteria genu suprema. A bursa lies be- neath the tendon at its insertion. Nerve-Supply. — The sartorius is supplied by two sets of nerves associated with the two intermediate cutaneous branches of the femoral nerve (L. 2. 3.). Actions. — The sartorius, " the tailor's muscle," is a flexor of the hip and knee. It also everts the thigh and assists in medial rotation of the knee- joint. M. Quadriceps Femoris.— The quadriceps femoris is com- posed of four muscles—the rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis. The rectus femoris is super- ficial except at its origin, which is covered by the glutsei, sartorius, and tensor fasciae latse muscles. The vasti lie on either side of the rectus muscle, the vastus lateralis being partially concealed by the tensor fasciae lat
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1914
