Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

You've been there before: You're scrolling through your Instagram feed when you see your favorite celeb post about their favorite new product — a face serum, vitamins that will make your skin brighter ...

Coasting through your once-challenging core workout with hardly a grimace? Gains are satisfying, but don’t rest on your laurels for too long. If you want to keep building core strength, you need to ...

Instructions: For each move, perform as many reps as indicated. Continue to the next move. After you've completed all three moves, rest for 30 seconds, then you have the option to repeat the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It's unclear exactly how many reps Jessica did of this epic Pilates sequence, but even doing this for the ...