Getting people together can be difficult, so having a plan in place is the most important element in ensuring the success of your group.

From CrossFit, to boot camp, to Zumba, group training is here to stay. Here's how to make the most of it.

A social component has been shown to improve weight loss results. A recent study showed smaller groups are ideal.

if you’ve ever watched a team rally and come back from a huge deficit, then you’ve seen people in group flow.

What I do is something of a hybrid between personal trainer and group exercise instructor, which is to say, I am a group personal trainer.

Researchers used some tricky methods to determine how much motivation working with a partner - especially a partner who's always better than you - can provide in your aerobic workouts.

Zen Gray is a longtime fitness coach, motivator, and comedienne. Now she's a newly expecting mom, as well. Find out what Zen was like when she was a little kid who just couldn't sit still.