Northwestern Medicine Crystal Lake Health & Fitness Center is a state-of-the-art medically integrated fitness center that offers the only health club experience of its kind in the region. Preventive health and wellness programs are considered an essential part of the health care spectrum. As a medically integrated fitness center, we pride ourselves on providing a dynamic alternative to fitness and health maintenance. Our degreed and certified fitness specialists and instructors are dedicated to providing you with excellent service and helping you make the most of your membership to achieve your fitness and health goals.