The 15-15-15 workout helped this A-list stay active after injury, and it can help boost your cardiovascular fitness in just ...

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 ...

This 15-minute kickboxing workout is perfect for beginners! Get a full-body cardio session that burns calories, builds strength, and boosts confidence—all from the comfort of your home. No equipment ...

There's nothing better than a workout that doesn't feel like a workout, right? With this dance session, presented by VITAL PROTEINS® Collagen Peptides available at Walmart**, you'll look, feel, and ...

Steady-state cardio has fitness influencers in a chokehold. But now some are questioning whether it’s actually the smartest ...

From sprints to incline walking, the data shows which workouts burned the most fat – and why jogging isn’t automatically top ...

Not skipping a workout when the weather affects our plans, or when our schedules change, is a matter of priority, flexibility and quick thinking. However, with a well structured template that ...

The cardio craze has ebbed and flowed for decades. At various points in time, it’s felt like everyone is obsessed with cardio-based workouts—and doing a lot of them—from step aerobics in the ’80s to ...