More than a good metcon workout, sprints performed like this can pack muscle onto your quads. Here's how.
You've heard the warnings. Here's the full story.
Sorry, you still need some. Here's why. Warning: This may hurt some powerlifter feelings.
Here's how to use exercise snacks to live longer, eat more without getting fat, and look better with your pants off.
But what type is best? HIIT or LISS? Here's what you need to know.
Short on time? Here's a nasty, versatile, total-body workout.
Just 17 minutes of cardio can work as well as 50 (plus provide an extra bonus) as long as you do it this particular way.
A huge study of tens of thousands of people reveals that the upside of exercise is far more potent than we realized.
How's your overall fitness level? Test it today. Here's how.
They're a good tool, but most people make the same mistake when using them. Here's how to properly battle those ropes.
You don't need an hour to get a heart-pounding workout. All you need is a barbell and 20 minutes. Try this.
Yes, you do have time to train. Try one of these fast, brutal workouts.
It's a delicate balance. Here's what you need to know about HIIT, LISS, and MISS.
The so-called fat burning zone is a myth. To dump the chub, go hard and fast or low and slow. Here's why and how to do it.
A funny thing happens when dedicated gym-goers disregard what their workout plans say and choose their own intensity. Take a look.
A new study shows that 4 minutes of bodyweight exercises, amazingly, works about as well as sprinting or 30 minutes of HIIT.
Are your workouts red, yellow, or green? You need a balance if you want to build muscle or lose fat. What does that mean? Read this.
Exercises are tools. You've got to know how to use them properly. Here's a list of commonly misused ones.
What's more important, active recovery between sets or resting as much as possible? This new study on CrossFitters sheds some light.
This one-bar finisher contains elements that will help you perfect your explosive pulls and activate your glutes.
How does one of the world's strongest bodybuilders and powerlifters do cardio? You may be surprised.
Who's got time to dick around with fat-burning routines that take, like, forever? Add one of these to the end of your regular workout.
These untraditional metcon workouts are mixed right into your weight training. Try not to pass out.
High intensity interval training can be done using aerobic or strength-based workouts. Which is better for big lifters? Here's the new science.
Scientists figured out a way to make us look forward to high-intensity cardio. No, really. Check it out.