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, ...

Have you ever practiced a medicine ball workout and lost control of the ball? It might not happen often, but if it does, it can totally mess up your momentum. The slam ball workout below is a ...

Runners tend to think of instability as a condition to avoid or a problem to solve, but adding a dose of wobbliness to your workout is actually beneficial. And one of the best ways to (literally) ...

Any Pilates fans out there will know what a difference a Pilates ball makes. Take my word for it: as someone who has done Pilates almost every week for the past 18 months, classes that include the use ...