Pyramid intervals are the secret of successful runners! In the world of running, there are numerous training methods aimed at ...

What if you were able to turn the clock back on your muscles and it took nothing more than a change in how you walk? It’s no sci-fi hype. It’s the science-supported wizardry of the Japanese interval ...

High-intensity interval training (HIIT) has emerged as a highly efficient exercise strategy that encompasses repeated bouts of vigorous effort interspersed with recovery periods. This method has ...

Interval Walking Training is a method that is effective in increasing overall fitness and decreasing healthcare costs associated with lifestyle-related diseases of the middle-aged and elderly.

Researchers delved into muscles to figure out why intensive bursts of exercise are as effective as long term workouts ...

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. Sprint interval ...