Extensor Indicis

Description

Illustration of extensor indicis

Other Names

• Extensor Indicis
• Extensor Indicis Proprius

Origin

• Posterior aspect of the distal third of the Ulna and interosseous membrane of the forearm

Insertion

• Extensor Hood of the index finger

Actions

• Extension of index finger
• Extension of wrist and midcarpal joints

Vascular Supply

• Posterior Interosseous Artery

Nerve

• Posterior Interosseous Nerve (C7-C8)

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Clinical Significance

• Unknown

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See Also

• Physical Exam Hand
• Hand And Wrist Anatomy
• Hand Pain (Main)
• Wrist Pain (Main)

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