One of the most popular machines or equipment in a gym, apart from the treadmill and the bench and the cables, is the ab machine. That chair with some weight attached, which you have to pull down in a ...

According to experts, it takes just four core workouts to absolutely rip your top half to shreds, so you can get stronger.

Judging by the endless proliferation of infomercials for exercise machines, especially those promising ``great looking abs,'' the appetite for these gut busters must be huge. Peddled by Suzanne Somers ...