You really want to make sure that you keep the small of your back ... you have more than one medicine ball, you might find that you want a lighter one for some exercises and a heavier one for ...

Make sure you do the same amount on the other side And now I am going to demonstrate some exercises for your lower body. What you are going to do is take the ball. And you are going to place it ...

For example, you could place the ball behind the small of your back while performing ... It's possible to get a similar ...