"The results were bigger than I expected." ...

Take on this AB challenge to strengthen your core and tone your abs! This intense ab workout can be done at home with no ...

Struggling to motivate for yet *another* at-home workout? This 28-day abs challenge is sure to keep you on track. All you have to do is press play. Start your week off with a full, 20-minute Pilates ...

The bodyweight moves packed a punch.

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I love working out, and a good ...

Your core (that means both your back and abdominal muscles) is your source of power—seriously. It's also what helps stabilize your entire body, prevent low back pain, and impact your posture, helping ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While ...

Too many abs routines are uninspired and, frankly, boring. Building up a strong core is important for more than just your mirror muscles, so your training should be more than just a tacked-on ...

Time is a precious commodity, and sometimes, finding time to squeeze in physical activity, like a 30-minute HIIT workout, or a group fitness class can be challenging. However, coach Raneir Pollard has ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A few rounds of crunches and planks just isn’t going to cut it if you’re aiming for a six-pack. You need ...

Robyn Mendenhall Gardner was amazed when what started off as a monthlong ab workout challenge between friends and family caught fire on the Web. The Montana mother of eight told Shots she came across ...