Medicine balls are a great alternative for dumbbells or barbells, or you can use them in tandem with free weights.

When you want to build strength and blow off steam, reaching for a medicine ball is the move. Here are the best medicine ...

There’s still one small mystery, however. Every now and again, [T-Kuhn] says that the ball will bounce in an unexpected direction. It doesn’t seem to be a bug related to the platform itself ...