Not feeling like hitting the gym today? No problem! All you need is a yoga mat and 20 minutes to strengthen your core—no crunches required. Part of the Women's Health Ultimate Abs Challenge, this ...

Instructions: After the warmup, perform the four exercises for 40 seconds each to complete one set. Rest for 20 seconds between each set. Repeat for a total of four sets. Today’s workout is all ...

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 ...

For the fastest way to join Tom's Guide Club enter your email below. We'll send you a confirmation and sign you up to our newsletter to keep you updated on all the latest news.

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: Shutterstock ...