<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2008) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2008) (Learn how and when to remove this template message) </Td> </Tr> <P> A medicine ball (also known as an exercise ball, a med ball, or a fitness ball) is a weighted ball roughly the diameter of the shoulders (approx . 13.7 inches), often used for rehabilitation and strength training . The medicine ball also serves an important role in the field of sports medicine . However, it should not be confused with the larger, inflated exercise ball . </P>

Where did the medicine ball get its name