Make sure that you're sitting back as if you're sitting ... You can speed up some. If you have more than one medicine ball, you might find that you want a lighter one for some exercises and ...

JUSTIN TIMBERLAKE IS getting ready to go on tour with his new album—and that means making sure his fitness is on point for ...

It can also be done either with or without a medicine ball. How to do it: 1. While sitting on a yoga mat with your legs bent and feet flat on the floor, pick up a medicine ball and hold it at your ...

While prone exercises like sit-ups and crunches have a place in your ... and a long resistance band with handles. A medicine ball is optional. When performing standing ab exercises, be sure ...