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sartorius muscle

(sär-tôrē-əs)
n.
  1. A muscle with origin from the anterior superior spine of the ilium, with insertion into the medial border of the tuberosity of the tibia, with nerve supply from the femoral nerve, and whose action flexes the thigh and leg and rotates the leg medially and the thigh laterally.tailor's muscle
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.