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 ...

Cardio and strength training are both essential for good health. However, they should be done in a one order, explains Eric ...

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 ...

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

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.” ...

There are tons of open debates in the fitness world: Are crunches or planks better for your core? Should you stretch before or after your workout? Low weight, high reps—or vice versa? And then, of ...

Reese Witherspoon has been caught several times candidly speaking about her fitness and wellness regime.The Academy Award winning actress always has a busy schedule, but never seems to compromise with ...

Group fitness is changing. What was once largely focused on weight loss and high-cardio exercise for an aggressive calorie burn has evolved to reflect the present-day gym mentality, with a greater ...