"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." This 20-minute abs workout is part of the Women's Health 30-Day Workout Challenge. For this part of the ...

Crunches and sit-ups have always been the go-to bodyweight exercises for people looking to work their abs, but they’re not your only option, and there are certainly more enjoyable ways to train your ...

If you’re looking for a time-effective way to get stronger and fitter, then circuit training using dumbbells is a great way to go about it. This quick workout from fitness trainer Kat Boley is a great ...

The only thing better than a 20-minute workout (short and sweet!) is one that sculpts your arms and abs at the same time. Certified personal trainers Nellie Barnett and Mathew Forzaglia's 20-minute ...

If you think 20 minutes isn’t enough time to get in a good workout—you’re wrong! Though 20 minutes might not seem like a big commitment, or even like it won’t lead to many benefits, it’s just enough ...