THE TRUE ROUTE to core strength—and to the hard, toned look many guys seek—has always been about more than crunches and hours of cardio. To shed belly fat and build brick-strong abs, you have to train ...

Jan. 3, 2006— -- Dave Zinczenko's book, "The Abs Diet," was a hit that inspired videos, magazine articles and a Web site where people shared their success stories. But all workout programs need ...

If your ab workout begins and ends on your back on a yoga mat in a corner of the gym, you're not doing enough. And even if you flip around for a plank or two, your efforts will still be lacking. The ...

For the full workout plan for weeks two and four, visit Kayla Itsines's 4-Week No-Equipment Workout Plan Weeks 2 and 4. 4-Week No-Equipment Workout Plan Weeks 2 and 4: Arms and Abs Complete as many ...

I’m training for a half marathon, so I’ve been pretty religious about getting in three to four runs per week over the past few months. But with all that running taking up my time, I knew I was ...

Kayla Itsines's BBG and other plans on her Sweat app are known to garner serious results. Luckily for us, she put together a free four-week no-equipment plan just for POPSUGAR readers! That's right, ...

Bodybuilding legend and former four-time Mr. Olympia Jay Cutler broke down his latest chest, calves, and abs workout at 52.

I’m training for a half marathon, so I’ve been pretty religious about getting in three to four runs per week over the past few months. But with all that running taking up my time, I knew I was ...

These trainer favorites hit your mid-section from all angles. Complete all sets of a move, resting 60 seconds between reps, before continuing on to the next abs workout. Place your lower legs on a ...

Whether your goals are to lose weight, detoxify and get healthier, or just to build muscle and feel more energized, we've gathered 19 exercise routines that you can add to your summer body workout ...

Shakira, at 48, maintains her incredible physique and energy through a rigorous fitness regimen designed by trainer Anna Kaiser. The routine combines dance-cardio for stamina and low-impact strength ...