As a former spin-class enthusiast, I know there's nothing like the rush you get after a really great ... strength workouts primarily using hills, interval workouts or a combo of all of them.

Interval training replaces the bog standard exercise session with alternating bursts of high and low intensity effort. It’s a simple idea that can have dramatic effects on our fitness.

High intensity interval training may improve oxygen consumption ... While these exercises can help get you started, you can modify your routine based on your preferences. There are many ways ...

If you want to get through each interval without your legs feeling like they’re on fire, be conservative in the settings and don’t rely on leaning on the arm rails. Pick this if: you know how ...

High-intensity interval training (HIIT ... a benefit you don’t get with steady-state cardio. In a landmark study published in 1996, young athletes who performed four Tabata workouts a week ...

I want to be ultra-efficient in the gym or my living room and get on with my day. (Proof: My copy of the book Run Less, Run Faster is well loved.) Enter: HIIT, or high-intensity interval training.