All runners know that cross-training is essential — but forcing themselves to actually do it can be a struggle. That's why we love this circuit led by fitness instructor Ashley Joi. It's actually the ...

The American Heart Association recommends that adults get "at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes per week of vigorous aerobic activity" — or a combination ...

IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise for hours, you only need to understand one four-letter acronym: HIIT. The term stands for high ...

Challenge your core and cardio skills with this 10-minute HIIT workout led by fitness trainer Natalie White. She's joined by class members Luisa Fonseca and Madisyn Maniff for this high-energy cardio ...

High intensity interval training packs a hard workout into a short period of time, which makes it sound like it should be an efficient, superior way to work out. But HIIT doesn’t have as many ...

You should engage in over two hours of cardio per week, either through moderate or vigorous-intensity exercise. Learn how to ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

While high-intensity interval training (HIIT) has been all the rage in recent years, some people are now opting for "steady-state" cardio, like jogging. “While HIIT remains a powerful tool for those ...