And we're going to go down to the floor for crunch ... If you have more than one medicine ball, you might find that you want a lighter one for some exercises and a heavier one for others.

While crunches have their place they are far from the only or best option for building a strong core Incorporating these ...

When you want to build strength and blow off steam, reaching for a medicine ball is the move. Here are the best medicine ...

However, most people tend to focus solely on traditional crunches, like sit-ups ... keeping your torso upright. Hold a medicine ball or weight with both hands and twist your torso to the right ...

Let's start with a waist crunch. Have a seat on the exercise mat ... You can, for instance, hold onto a medicine ball -- or how about some weights as well? Again, you start with five repetitions ...

Most runners are aware that although strength and conditioning work might not be as much fun as the actual running, building a strong core is a vital way to maintain your body’s stability and ...

Definitely one to add to the best ab workout list. According to the study, the third most-effective abdominal exercise was the simple crunch, but on a medicine or balance ball. Lie on the ball with ...