Origins and Insetions (Extensor Indicis)

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1. Extends the 2nd digit 2. Adducts the 2nd digit 3. Assists to extend the wrist 4. Stabilizes McP joint for flexion of IP solely

Action

Base of middle and distal phalanx of index finger

Insertion

Radial (C6,7,8)

Nerve

1. Posterior Surface of Ulna 2. Interosseous Membrane

Origin


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