Abs workout

Gym ball exercises: Georges St-Pierre’s secret weaponchamp stays in shape using gym
Side plank
The side plank is a great exercise for building ripped abs and a rock-solid core
The Plank upgraded

Are you finding the standard abdominal plank too easy? Here’s how to upgrade this ab-carving move
Six-pack strength: Star move

Get a strong core and all-over strength with the star side plank
Get a six-pack with Pilates

Do this Pilates workout and not only will you develop hard, well-defined abs, you'll be able to lift heavier weights too.
Barbell rollout

Make your abs and lower back work together to stabilise your body in this move, which you can make as easy or as hard as you like.