The sartorius (tailor's muscle) is the body's longest muscle. It is a long, narrow, ribbon-like muscle that spirals down the thigh. It begins on the front of the hip, where it originates at the front point of the pelvis (the tip of the anterior superior iliac spine), runs down and across the front of the thigh, and along the inner side of the knee where it inserts in the upper end (tuberosity) of the tibia. It is innervated by the femoral nerve and supplied by the femoral artery. This muscle is a powerful flexor of the thigh. It helps bend both hip and knee and twist the leg allowing you to sit cross-legged. Research Sartorius
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Abbreviations
Research Sartorius
