Sartorius

Description

Sartorius

Name

• Sartorius
• Tailor's muscle
• Honeymoon muscle

General

• Muscle of the anteromedial thigh
• Assists with hip flexion and external rotation

Origin

• Anterior superior iliac spine of the pelvis

Insertion

• Superior medial aspect of the tibial shaft
• Forms the Pes Anserinus with the Gracilis and Semitendinosus

Actions

• Hip flexion and external rotation
  • Works synergistically with the Iliopsoas, Rectus Femoris, Tensor Fascia Lata, Pectineus, Adductor Longus, Adductor Brevis, and Gracilis to perform hip flexion
• Knee flexion and internal rotation
  • Works synergistically with the Biceps Femoris, Semitendinosus, and Semimembranosus to perform knee flexion
  • Works synergistically with the Pectineus to perform internal rotation

Vascular Supply

• Branches of the femoral artery
• Collateral blood flow from the superficial circumflex iliac artery, lateral circumflex femoral artery, superficial femoral artery, descending genicular artery, and superior medial genicular artery

Innervation

• Anterior division of the Femoral Nerve from the L2, L3, and L4 nerve roots

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Clinical Significance

Pathology

• Anterior Superior Iliac Spine Avulsion
• Chronic Overuse Injury

Procedure

• Pes Anserine Bursa Injection

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See Also

• Thigh Anatomy (Main)
• Knee Anatomy (Main)
• Knee Pain (Main)
• Thigh Pain (Main)

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