What is "sartorius muscle"

n. a muscle in the thigh that helps to rotate the leg into the sitting position assumed by a tailor; the longest muscle in the human body [syn: sartorius, musculus sartorius]

The sartorius muscle is the longest muscle in the human body. It is a long, thin, superficial muscle that runs down the length of the thigh in the anterior compartment. Its upper portion forms the lateral border of the femoral triangle.