A fitness expert explains how to perform five of his top-recommended standing ab exercises for a slim waist in 30 days.

Looking for a firmer tummy? Discover the top 5 bodyweight exercises to shrink your belly in just 30 days. No gym equipment ...

Where do you start, especially if you haven’t been active in a while? The Prime Women 30-Day Fitness Challenge was created by ...

Ignite your metabolism with this 30-day HIIT challenge! Burn fat, build endurance, and transform your fitness with ...

Fire up your midsection and lower body with this expert-level abs and legs workout sure to make you feel the burn.

Want to work every muscle group in your body at once? Look no further than this legs, arms, and abs workout from a personal ...

“The beautiful thing about doing core exercises is that you can do it every day if you want,” says de León—and if you’re on the abs-focused track as part of the Flex Challenge, you wil ...

Using light and moderate dumbbells, this routine features exercises like thrusters, gorilla rows, and reverse lunges, ...

Experts have warned against trying a new, viral fitness challenge that involves hitting ... This could be 30 minutes a day, five days a week. Alternatively, you can do 75 minutes of vigorous ...

Doing 70 cycling Russian twists every day for a week proved to be a pretty hardcore way to target my core. The exercise helped me feel more tuned in to my obliques and wider core, it challenged my ...