Peak Physique 200 S Kirkwood Rd, Kirkwood, MO63122 Peak Physique is a fitness center that offers open gym use, personal training and group fitness classes. Classes are…More offered for boot camps, yoga, cycling, cardio, zumba, kettlebells, strength training and more. Peak Physique also features a certified child care center for parents to utilize during workouts. All instructors here have college degrees or are certified by the National Academy of Sports. Membership opportunities are available.