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

Fitness experts reveal how often to train your core and the best core-sculpting exercises to tighten and tone your belly.

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

Hold a medicine ball above your head and do a sit-up. Do three sets of 25 lifts. Now that you’ve strengthened the abs and feel solid around your core, you can take your exercise intensity up a ...

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 ...

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 ...