Plus, the surprising benefits of turning the intensity down a notch.

Get ready for an intense and fun workout brought to you by GRIT Fitness. The energetic instructors from GRIT Fitness will incorporate different training techniques and focus on several muscles groups ...

Cardio is more than just running laps or hopping on a bike. It's any movement that gets your heart pumping, your body sweating and your energy levels soaring. Whether you're chasing a weight loss goal ...

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 ...

Is soft cardio the missing piece of your workout routine? We spoke to a sports medicine physician and a pro trainer to find out.

The word "cardio" is one that very few people get excited about when preparing for a workout. While there are several ways to integrate cardio into your workout routine, most people opt for some form ...

The fitness industry and its influencers have long preached toxic ideas of what a cardio workout needs to look like in order to “count”: that you have to burn a certain number of calories, feel ...