If you like nothing more than waking up and heading straight out the door for an early-morning run without stopping to fuel up, then you practice fasted cardio. Or maybe you’ve just skipped a prerun ...

To eat or to not eat feels like one of the biggest decisions to make before working out… especially before doing cardio. And, ...

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What are the pros and cons of skipping breakfast before a tough workout? We lay out the latest research behind fasted workouts. Morning workouts are awesome: Aside from the convenience of getting it ...

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. Fasted cardio is ...

This rhythmic, high-energy workout is redefining arm training and full-body conditioning—no equipment required.

This cardio session may be short, but it'll still challenge your body in the moment. Using dance-inspired movements, fitness instructor Rachel McClusky leads you through a family-friendly routine ...