sartorius


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sar·to·ri·us (mus·cle)

[TA]
superficial anterior thigh muscle; origin, anterior superior spine of ilium; insertion, medial border of tuberosity of tibia; action, flexes thigh and leg, rotates leg medially and thigh laterally; nerve supply, femoral.

sartorius

(sär-tôr′ē-əs)
n. pl. sar·torii (-tôr′ē-ī)
A flat narrow thigh muscle, the longest of the human anatomy, crossing the front of the thigh obliquely from the hip to the inner side of the tibia.

sartorius

[särtôr′ē·əs]
Etymology: L, sartor, tailor
the longest muscle in the body, extending from the pelvis to the calf of the leg. It is a narrow ribbon-shaped muscle that arises from the anterior superior iliac spine, passes obliquely across the proximal anterior part of the thigh from the lateral to the medial side, and inserts into the tibia. It acts to flex the thigh and rotate it laterally and to flex the leg and rotate it medially. Compare quadriceps femoris.
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Sartorius

sartorius

A long, narrow, flat, strap-like muscle that crosses the front of the thigh obliquely from the hip to the inner side of the top of the main lower leg bone (tibia). From the Latin sartor , a tailor-a reference to the historic cross-legged sitting posture of the tailor, which the muscle assists in adopting.

sartorius

thin, long, diagonal, strap-like anterior thigh muscle; forms lateral boundary of femoral triangle and roof of adductor canal
  • origin anterior superior iliac spine

  • insertion upper medial tibia, anterior to gracilis and semitendinosus tendons

  • nerve supply femoral nerve

  • action flexes hip and knee joints; externally rotates thigh; internally rotates tibia on femur, when knee is flexed

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