Forget three-martini lunches and steak dinners. Spin classes are the new place to schmooze clients. Powering through a workout is a good way to break the ice, say fitness experts who see more business meetings in their studios, and commiserating over a punishing session can quickly establish a common bond. Even bachelorette bashes are moving from the bars and into the gym with bride-to-be customized yoga sessions. Plus, it’s the ultimate in multitasking: you take care of business and get your workout in too.