How to do it: Standing with your feet together and holding a medicine ball at your chest, step one leg forward into a lunge. At the same time, lift the medicine ball over your head, keeping your ...

Raise the ball in the air. Now the second round, you might feel like you've got the hang of it a little bit. You can speed up some. If you have more than one medicine ball, you might find that you ...

For a beginner's modification, hold your legs flat at a 90-degree angle and extend your arms forward, engage the center of your core, and hold the medicine ball for three to four breaths.