Sometimes in life, you really can't beat the old stuff. Old friends, old tunes, old movies - we love them all. And when it comes to working out, it seems we're partial to going retro too: indoor step ...

Head to any step aerobics class and you may feel like the instructor is speaking another language. Don’t worry, we’ve all been there. But the good news is that most of the basic aerobic dance steps ...

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. While plenty of ...