Audio LecturePro Feature Sartorius 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x 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 (2026) Fig 1The muscles of the anterior thigh. 3D ModelPro Feature 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 Dissection AtlasPro Feature Prosection of the anterior and medial thigh, demonstrating the attachment of the sartorius, gracilis and semitendinosus to the proximal tibia (the pes anserinus). Prosection of the anterior and medial thigh, demonstrating the attachment of the sartorius, gracilis and semitendinosus to the proximal tibia (the pes anserinus). You've Discovered a Pro Feature Access our Dissection Image Library Enhance your understanding with high-resolution dissection images showcasing real-life anatomy. Learn More In gratitude to our body donorsLearn more In gratitude to our body donors We are deeply grateful to the individuals who chose to donate their bodies for the advancement of medical education. Their generosity makes these images possible and provides students and healthcare professionals with an invaluable opportunity to study human anatomy. We recognise the profound contribution made by each donor and their families, and we use these images with the dignity and respect their gift deserves. Acknowledge Frequent questions What is the sartorius muscle? The sartorius is a long, thin muscle located in the anterior compartment of the thigh, running inferomedially across the thigh. It plays a key role in various movements of the hip and knee joints. What are the attachments of the sartorius muscle? The sartorius originates from the anterior superior iliac spine (ASIS) and inserts onto the superomedial aspect of the tibia. This unique positioning allows it to facilitate multiple actions at the hip and knee. What actions does the sartorius muscle perform? The sartorius muscle is responsible for flexion, abduction, and lateral rotation at the hip joint, as well as flexion at the knee joint. These actions contribute to activities such as sitting cross-legged. Which nerve innervates the sartorius muscle? The sartorius is innervated by the femoral nerve. This nerve supply is crucial for the muscle's function in movement and stability. What is the blood supply for the sartorius muscle? The sartorius receives its blood supply from the femoral artery. This vascularisation is essential for maintaining the muscle's health and function during physical activities. Rate This Article