Cardio is a type of exercise that's important to get your heart pumping and even get your energy levels up. Whether you're ...

Do you even know what HIIT stands for? We have the answer to that—and more.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. So where should you ...

I discovered spin classes a decade ago, and subsequently got certified to teach them myself. In the years since, I haven't focused on other kinds of cardio group classes—but for a time, I was obsessed ...

VO₂ max may sound like something out of chemistry class, but it's actually an important component of living a long, healthy ...

Learn how low-impact cardio can reduce stress and build muscle, as one longtime fitness expert highlighted its significant benefits. Low-impact cardio offers multiple benefits, including improved mood ...

Let’s face it – traditional cardio workouts can feel like punishment. The monotonous treadmill sessions, the endless elliptical marathons, the dreadful feeling when someone suggests “going for a run.” ...

Not everyone using the treadmill in the gym is doing it in a way that facilitates weight loss. Fitness coach Prashant shares how to achieve the goal.

This workout is designed to test your ability to transition seamlessly between heavy tactical strength and high-heart-rate ...

Which jump rope is best? When it comes to choosing the best jump rope, there are many things to consider. Jump ropes come in ...