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Home > Anatomy & Physiology > Muscles > Sartorius

Sartorius Muscle

The Sartorius is a two joint muscle and so is weak when the knee is flexed and the hip is flexed at the same time. It works better during single movements.

Origin

  • Area between the ASIS (Anterior Superior Iliac Spine) and AIIS (Anterior Inferior Iliac Spine)

Insertion

  • Anterior part of the medial condyle of the tibia

Actions

  • Flexion of the hip
  • Flexion of the knee
  • External rotation of the hip as it flexes the hip and knee
  • Abducts the hip

Innervation

  • Femoral nerve

Daily uses

  • Sitting in a cross-legged position

How can I stretch it?

How can I strengthen it?

Sartorius

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