Meet Our Group Exercise Instructors Ready to take a class? Click here to see our schedule Cindie Petersen Cindie Petersen earned her M.S. degree in Sport Sciences from IUP and completed further training and requirements for certification with the Institute for Aerobic research in Dallas, Tx. She is an American College of Sports Medicine (ACSM) certified Group Exercise Instructor and is also a certified Silver Sneakers instructor. Cindie owned and operated Sleek Physique fitness programming for 15 years and was fortunate to experience teaching in Australia and New Zealand. She has an extensive dance background and has taught classes in instructor development, program writing, class design and choreography. Cindie teaches Silver Sneakers Circuit, Yoga, Cardio Boom as well as Boom Muscle. She is looking forward to seeing YOU in class soon!