The sartorius is a muscle in the anterior compartment of the thigh. It is long and thin, running across the thigh in a inferomedial direction. Attachments: Originates from the anterior superior iliac spine (ASIS) and attaches to the superomedial aspect of the tibia. Actions: Flexion, abduction and lateral rotation at the hip joint. Flexion at the knee joint. Innervation: Femoral nerve. Blood Supply: Femoral artery. By TeachMeSeries Ltd (2025) Fig 1The muscles of the anterior thigh. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Print Article Rate This Article