Don't let the pics on the website fool you: The West Town to West Loop transplant, John Hall Studios, isn't a sports-specific training facility and is much more focused on whole body training. Open space makes up the bulk of the large, clean studio, so Hall and his crew of trainers can get inventive with their workouts. Functional movements are big here, and workouts incorporate everything from the power plate to monkey bars to medicine balls. Whatever the workout, it will surely be effective. Hall prides himself on only hiring trainers—and taking on clients—who are serious about results because, after all, it's his name at stake. "All new clients have to buy a 10-pack up front," he says. "This lets us know you're as serious as we are about getting in shape." Ten sessions with John cost about $1,500, $1,000 with another trainer.