What's the Difference Between Circuits, Supersets and Intervals?

All three sound great, but their true strengths lie in how you use them and what your goal is.

By Greatist.com

New ACTIVEx App Pairs Fitness Plans with Community Encouragement

ACTIVE's new app has training workouts for everyone and the encouragement from friends you're looking for.

By Taylor Danser

11 Creative Ways to Get Your Steps In

Having trouble getting your 10,000 steps in, even after you hit the gym? Here are 11 creative ways to sneak extra steps into your day.

By Fara Rosenzweig

8 Natural Remedies For Knee Pain

When knee pain strikes, popping a pill may be easy, but it's only a quick fix. Try these remedies.

By Prevention

5 Best At-Home Workout DVDs

Turn your home into a hub of fitness and fun. Here are our favorite fitness DVDs to help you get a workout in any time.

By Ashley Lauretta

The 80-Minute Training Plan

Crunched for time? This sample training plan includes practical workouts to help keep you on track.

By Marty Gaal

Lactate Threshold and V02 Max Explained

Should you get an LT or V02 max test? These questions answered, and more, in this breakdown of two commonly heard terms among triathletes.

By USA Triathlon 

6 Possible Reasons Why You're Gaining Weight

Your couch and the snack shelf are the most likely culprits, but these could be leading to weight gain, too.

By Prevention