The Cheer Leaders

10 group fitness instructors you need to know

Try Hector Bones' TRX class at the Sporting Club at the Bellevue.

My co-editor, Christine Speer, and I had a lot of fun putting together this roundup of amazing fitness instructors for our February feature, “Welcome to Fitadelphia.” Of course, we could only fit 10 in the magazine, and the city is filled with great instructors! Tell us who’s your favorite cheer leader and why they’re the best in the comments below.