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 ...

Calisthenics might be the word your grandfather used for physical exercise. This type of workout started cropping up in grade schools in the late 19th and early 20th centuries. These low-resistance ...

Simple, equipment-free routines for beginners to build strength, flexibility and heart health at home, with safety tips and ...