Periodization is the ultimate tool you can use to reach your goals.

Dr. Wendy Walsh talks about the mental aspects of health and how the ways in which we sabotage our relationships can impact our general well-being.

There is a reason this hunk of iron has been around for hundreds of years.

There are three legs to the human performance monster, no matter what sport you train for, no matter what level.

Whatever the past year brought you, it's time to stay in the moment and put the lessons learned to good use in a new year.

The first positive benefit of pain is that it can enhance pleasure by providing a contrast. Pleasure is pain’s opposing phenomenon.

Here's a quick 5-minute set to improve your run. Tack it on to any of your other workouts and watch yourself improve!

Long, slow, unsexy work may not make you an internet celebrity, but it's essential to your health and athletic development.

How do you run two thousand miles in a hundred days? By running each of them one at a time.

Just as altitude training increases endurance in humans, so putting killer T cells through a ‘fitness regimen’ apparently toughens them up.

When push comes to shove, can you handle it when the pain is unbearable? Can you open your little black box and go to a new place unknown?

It’s great to be strong, but it’s even better to use that strength to help other people.

Here we are, the final day of this challenge. And the final benchmark workout.

All you need is you, some leverage, some gripping, and you have a great workout.

It's amazing how heavy a light set of dumbbells can become after a little bit of use.

Benchmark day is here again.

Brutal rope work in a prone position.