Cardio

Discover how regular cardio training can help decrease your resting heart rate.

Get fit with exercise snacking: Quick, 1-minute workouts for improved fitness and health.

Rider story: How 5 minutes daily with CAROL Bike shifted Everett’s health, energy, and marathon prep.

Achieve various fitness goals in 15 minutes or less with these 10 effective workouts.

HIIT provides all the benefits of regular training—in half the time.

Understand the vital role cardio plays in overall fitness.

Learn how exercise can boost your mental health and well-being with the latest scientific research.

Proven methods for increasing VO₂max—the key measure of cardio fitness.

Improve your fitness by 12% in just 8 weeks.

How CAROL Bike’s short, effective workouts deplete muscle glycogen—and improve aerobic capacity.