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 ...

Treadmill intervals at a medium effort combined with two sets of bodyweight squats (lower body) and planks (core). Stop the ...

A treadmill is a versatile tool that puts you in control of your fitness journey. Whether you're a beginner, intermediate, or advanced fitness enthusiast, there's a treadmill workout that's perfect ...

Add Yahoo as a preferred source to see more of our stories on Google. High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a ...

Most people underestimate treadmill walking. These 7 workouts improve heart health after 40 without running or joint strain.

It's that intensity that ultimately reaps great benefits, including strengthening the heart and improving the cardiovascular system, which is why personal trainers tend to favor interval training.

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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.