Want to work your abs with a yoga ball? We turned to an expert to walk you through the best moves to do—and how to do them.

A fitness expert explains how to perform five of his top-recommended standing ab exercises for a slim waist in 30 days.

Discover how to strengthen your core with these essential exercises. Tone your abs, improve your stability, and boost your ...

Crunches probably come to mind when you think about ab workouts, but people often get bored of the traditional crunches. Try ...

All right, guys, we are going to do a 10 minute medicine ball workout-- five exercises, one minute each, in two rounds. So grab your medicine ball, and let's get going. We're going to start with ...

Think of a small, squashy ball that you can place under your sacrum (the bone at the bottom of your spine) when doing bicycle crunches, between your thighs for an inner thigh burn, or hold in your ...

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 ...

You don't have to win the genetic lottery to earn a set of strong, defined abs. DNA only determines ... such as using a medicine ball or dumbbell while you twist. Here's how to do it: 1.

We're going to use an ab ball and a floor mat. Make sure you have enough room to spread out. Let's start with a waist crunch. Have a seat on the exercise ... hold onto a medicine ball -- or ...