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. Cardio is good for us, ...

Few of you are coming to me with a focus on your one mile pace, so we’re looking at running workouts that are going to test your speed and improve your endurance. There are tons of ways to incorporate ...

Whenever I get the itch to work out, I often stand around and wonder where to start. Do I feel like running? Going to the gym? Doing yoga? And even then, what kind of yoga? It’s why I was intrigued by ...