The Russian twist is a great underrated ab workout for people of all fitness levels or ages and can be scaled harder or easier with a heavier or lighter medicine ball. Even with no weight at all ...

So grab your medicine ball, and let's get going ... All right, so out with the right leg, ball stretches out, twist to the right side. Switch sides. You'll notice you're going to get a good ...

Medicine ball exercises aren’t new to me – but during ... I may even experiment with adding a rotational twist or trying it on a Bosu ball for an extra challenge. But one thing’s for sure ...