Add Yahoo as a preferred source to see more of our stories on Google. Your favorite ab-building machine at the gym may be causing you more harm than good. That's right—we're talking about the torso ...

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

Lie on one side with your legs straight and prop up your upper body on your forearm. Raise your hips so your body forms a straight line from your head to your heels. Brace your abs and squeeze your ...

WHAT DO DEADLIFTS, squats, rows, slams, and even overhead presses all have in common? They all depend on the stability and strength of your core. A strong base requires strong abs. This muscle group ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The oblique muscles tend not to immediately spring to mind when people think about strong abs.

Naturally, your go-to core workout might include a variation of sit-ups, crunches, and planks. Because as a runner, you know ...