By Mike Woelflein Personal training is a growing field—and the growth shows no sign of slowing. In fact, the Bureau of Labor Statistics forecasts 13% growth through 2022. That’s a lot of new trainers entering the workforce, all wondering one thing: How ...

Try these keys for smooth (and effective) small group training. Small groups are hot. In 2011, about 7.7 million Americans participated in boot-camp-style cross-training classes, according to the Sporting Goods Manufacturers Association. What's more, 2.9 ...