Get ready to work out with fitness trainer Khetanya Henderson, who will be leading our hardest 30-minute Pilates and cardio workout yet, joined by class members Tiff Marie and Paulyn Baens. You'll ...

In this fifth installment of our cardio series, our fitness instructors Astrid Swan and Ridge Davis turn up the intensity as they lead you through an advanced heart-pumping cardio workout, complete ...

Burn calories and push your limits with this 20-minute intense cardio HIIT workout. Designed for advanced training, it targets the full body without any equipment. Perfect for building endurance, ...

Breaking a sweat a few times a week can do wonders for your mind and body. Aerobic exercise, also known as cardio, involves repetitive and rhythmic contraction of large muscle groups, challenging both ...

Combining cardio workouts such as running, rucking and swimming with other load-bearing activities is necessary for those preparing for advanced training programs in many of the military's special ...

With these five ideas for fun cardio HIIT workouts, you'll be enjoying your exercise routine more than ever. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

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. I just learned that ...