Are you confused about the different training zones and when you should train in each one? T...

By Michael Ricci

These high-intensity, short duration intervals are a great way to increase your power output...

By Gale Bernhardt, Training Peaks

While CrossFit is undoubtedly the bee’s knees for hardcore fitness buffs, does it provide an...

By Erik Taylor

Depending on your fitness goals, the number of sets and reps you should do vary greatly.

By Jake Bernards

Some of the most influential personal trainers go unnoticed. Here's a chance to learn from one.

By Hunter Hewitt

If you haven't done a high-intensity interval workout yet, it may be time to give one a try.

By Susan Grant Legacki

Should you hit the treadmill or the squat rack first? The answer can be complicated.

By Kisar S. Dhillon

Not all muscles are created equally. Do you know the differences?

By Greatist.com

You've heard the advice: 30 minutes of aerobic exercise at least 5 days a week. But is this ...

By Prevention

The fitness and supplement industries have promised improbable results for as long as they'v...

By Men's Health