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