It’s safe to say that swimming is one of the most versatile and effective workouts around. Choose front crawl over butterfly, or swap backstroke for breaststroke, and you work different muscles. Pick ...

In a swimming workout, water is the natural resistance that works against the body while supporting it from all sides. It helps to strengthen muscles and challenge the heart to work harder, improving ...

Can't do Bear Crawl? Discover proven alternatives that preserve cardio conditioning and core stability. Learn technique tips ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...

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. January 12, 2026 Add ...