These colorful weighted balls make a great alternative to dumbbells, plus they help build serious "core strength."

He used this to measure the time at which the weighted balls passed marks that he had made on the inclined plane.

Shot put is an athletics sport where people try to "put" a heavy weighted ball as far as they can.

The sudden forces experienced upon catching a weighted ball also imitates what happens in football when contact is made with another player.

In this simple variation, players use a lesser weighted ball (12 pounds or less, generally).

The weighted ball on the end of the weapon struck just her chin, and she managed a single cough before the strap was pulled tight.

The weighted ball adds resistance to your exercise, whether it is through stretching or sprinting.

Both of them spread the things out, until the weighted balls hung where they were comfortable with them.

You can imagine how an off-center weighted ball might rock back and forth on a level surface.

Besides the usual weight lifting, that includes working with a weighted ball and taking swings in a pool.