extensor carpi radialis longus (muscle)


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ex·ten·sor car·pi ra·di·a·lis lon·gus (mus·cle)

[TA]
muscle of posterior (extensor) compartment of forearm; origin, lateral supracondylar ridge of humerus; insertion, posterior aspect of base of second metacarpal bone; action, extends and abducts hand at wrist joint; nerve supply, radial.
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