Runners hear the terms aerobic and anaerobic thrown around, but understanding the difference between the two can change how you approach your workouts. Together, these energy systems form the backbone ...

Exercise generally falls into one of two categories—aerobic or anaerobic—and if your goal is simply to improve your physical fitness, you could probably get by for a while without ever knowing the ...

When it comes to exercise, most people think of popular cardio activities such as running, swimming or cycling. While each of these are great ways of getting your heart rate up, toning your muscles ...

class. You probably feel like you could maintain that first one for a pretty solid amount of time without wheezing, while just one round of leaves you gasping for breath. Turns out there’s a reason ...

I have roughly one month to get into better shape for a big tournament. I'll be playing tennis 1-2 hours a day, combined with either running, interval training, or strength training. After a few days, ...

When you’re crunched for time and need to squeeze in a workout, it’s fair to want to get the most out of your effort. But while there’s been an ongoing debate about the merits of aerobic vs. anaerobic ...

Bodyweight exercises are a great way to start cross-training without any equipment. They build strength and improve your ...