This article breaks down sit-up variations for every fitness level—beginner, intermediate, and advanced, to boost core ...

When most people think of core exercises, they think crunches and sit-ups – possibly because the tactical professions have ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...

Not that fussed about sit-ups? Me neither, so I say sweep them to one side and hit more muscles in one go using the good old do-it-all compound exercise — a multi-joint, multi-muscle move that hits ...

Workouts No, not kegels — this deep core routine will strengthen your abs and pelvic floor Workouts Goodbye crunches and sit-ups — these 3 exercises target your 'deep core' muscles to strengthen your ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...