Fit & Well fitness writer Harry Bullmore performing a bird dog as part of the McGill Big Three core exercises. Millions of people around the world suffer from back pain. Core stability training is one ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day.

The path to core strength is as varied as the number of exercises that build your core system. There are hundreds of exercises from which to select when working to build the core, but this type of ...