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The radius bone doesn't have a specific function, per se. It provides structure and support for the lower arm in tandem with the ulna. It connects to the elbow and the thumb-side of the hand and provides a point of attachment for muscles and ligaments for the arm and hand.
The forearm has two large bones, the radius and the ulna, of which the radius is the larger bone. This bone runs from the elbow to the thumb side of the wrist. All land vertebrates have this bone. In man, this bone helps us rotate our hand from palm up to palm down position.

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โˆ™ 2011-03-25 23:03:50
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Q: What does the radius bone do?
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