This workout mixes fast interval cardio via the bike, elliptical glider or running. (This isn't easy to do on a treadmill.) Start Five minutes Tabata, five minutes lift. Take five minutes to do 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’ve been hearing a lot about HIIT, or high intensity interval training, lately, you’re definitely not alone. HIIT has taken the fitness world by storm over the past decade or so, with more ...

Walking? Lifting weights? Does it matter what zone you’re in? I have answers.