Name
Pronunciation
(sar-TOR-e-us)
Origin/Proximal Attachment
Anterior superior iliac spine (ASIS)
Insertion/Distal Attachment
Upper medial surface of body of tibia; contributes to pes anserine
Action/Relevance
Flexes hip & knee. Assists to externally rotate hip
Innervation
Femoral nerve (L2, 3)
Notes
Long narrow strap like muscle.
The longest muscle in the body
Crosses the thigh obliquely to the medial side then runs more vertically to the medial aspect of the knee.
Medial border of the upper portion of sartorius forms the lateral border of the femoral triangle