High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

After months of walking or running outdoors, taking your workout inside to a treadmill can be an adjustment. We all miss the fresh air and change of scenery that being outside affords, but running on ...

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High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

Jeanette Jenkins knows a thing or two about creating great workouts — this full-body circuit was low-impact but left me unexpectedly sore the next day. With almost three decades of experience in the ...

Unless you're surrounded by other sweaty runners and being cheered on by a coach (and a solid playlist), the treadmill isn't always the most motivating place to be. When you're by yourself, even a ...

A StairMaster and incline treadmill work a lot of the same muscle groups, but each machine has its own pros and cons.