Obturator Externus

Description

Obturator externus is marked in purple

Name

• Obturator Externus
• External obturator
• Musculus obturatorius externus

General

• External rotator and abductor of the thigh
• Part of the Medial Compartment of the Thigh

Origin

• Anterior surface of obturator membrane
• Obturator foramen (bony aspects)

Insertion

• Femur (trochanteric fossa)

Actions

• External Rotation and Abduction of thigh
• Stabilizes Femur in acetabulum

Innervation

• Obturator Nerve (L3-L4)

Vascular Supply

• Obturator Artery
• Medical Circumflex Femoral Artery

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Clinical Significance

• Needs to be updated

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See Also

• Physical Exam Thigh
• Thigh Anatomy (Main)
• Thigh Pain (Main)

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