Nothing will humble you like an exercise ball. Working with an exercise ball can also help you improve your sense of your body in space, a.k.a. proprioception, Jeffers explains. “Stability ball ...

Use this Swiss-ball workout to build more explosive power, increase your personal bests, and—let’s face it—boost your sex appeal. Your glutes do more than just round out the back of your pants.

Squats train all the major muscles in your legs, including quads and hamstrings. Walking lunges challenge your leg muscles ...

When top trainers want to develop stronger, firmer abs, they don't do more crunches. They do an exercise ball workout using that big, bouncy ball you'll find stashed in a corner of the gym. Known as ...

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 ...

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 ...

Building strong, muscular quads is best done with a combination of compound exercises—squats, lunges, leg presses—and isolation work, such as leg extensions. Tack on some powerful plyometric moves, ...