I was furious. And I was just like, I'm just out." In Seattle, she rented a cabin, taught cooking and fitness classes and took up photography, living a "hippie" life that suited her, she says.

From the techno-blaring reformers of Solidcore to personal trampolines at the Ness, our editors took the toughest and trendiest fitness classes New York has to offer. Here’s our honest review.