Action: Extends hand at wrist; abducts hand Origin - Lateral supracondylar ridge of the humerus Insertion - 2nd metacarpal Innervation - Radial nerve

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1.
Action: Extends hand at wrist; abducts hand
Origin - Lateral supracondylar ridge of the humerus
Insertion - 2nd metacarpal
Innervation - Radial nerve