Swap dumbbells for a medicine ball to improve core strength and stability ...

We'd never strong-arm you, but there are so many benefits to adding a medicine ball to your workout. (Getty Images) I'll admit it: For years, I avoided adding a medicine ball to my workouts. Frankly, ...

There are a lot of ways to work out with a ball in the gym. You have the ball sports—soccer, basketball, tennis, to name a few. Then, there are medicine balls, BOSU balls, and stability balls. They ...