Muscles 36 - 39

Muscles 36 - 39 - • Origin: Dorsal surface of ulna •...

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Muscles 36 - 39
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Abductor Pollicis Longus Origin: Dorsal surface of radial shaft Insertion: Base of the 1 st metacarpal Action: Abducts, laterally rotates and extends thumb Innervation: Radial nerve
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Extensor Pollicis Brevis Origin: Dorsal surface of radius Insertion: Base of proximal phalanx of thumb Action: Extends thumb Innervation: Radial nerve
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Extensor Pollicis Longus
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Unformatted text preview: • Origin: Dorsal surface of ulna • Insertion: Base of distal phalanx of thumb • Action: Extends thumb • Innervation: Radial nerve Extensor Indicis • Origin: Dorsal surface of ulna • Insertion: Dorsal surface of proximal phalanx of index finger • Action: Extends index finger • Innervation: Radial nerve...
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This note was uploaded on 10/14/2009 for the course EXSS 175 taught by Professor Zinder during the Summer '08 term at UNC.

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Muscles 36 - 39 - • Origin: Dorsal surface of ulna •...

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