We are a CrossFit affiliate in Crystal Lake, IL. We want you to be fitter in every way, so we will challenge you with a constantly changing selection of activities that will improve your strength, speed, agility, endurance, power, coordination and flexibility.CrossFit is the combination of a host of physical training methods into one program designed to increase your exposure to full-body movements and various types of training. By mixing these types of training, we avoid boredom and plateaus associated with traditional routines. CrossFit movements are selected for the ability to affect the body, and most of these movements are characterized by the use of large muscle groups.