Fitness companies want people to believe progress requires subscriptions, machines, and a room full of branded equipment.

Gain strength at home with this 20-minute workout, perfect for busy days. Done without equipment, this quick training session ...

Add Yahoo as a preferred source to see more of our stories on Google. If you didn’t get your workout in today, no sweat—well, maybe a little. And if you only have 20 minutes, that’s all the time you ...