Sensing that a growing number of people are forgoing their gym membership in favor of specialized experiences like boot camps or cycling studios, some gyms have begun partnering with smaller boutique studios, offering them temporary or permanent space and giving their customers access to the gym's amenities.
In the mid-eighties the company I worked for decided they wanted to keep their employees in tip-top condition. With that in mind they built a fitness center right in our building. There were treadmills and free-weights all designed to keep us from dropping dead at our desks. The only caveat was that in order to join the fitness center you had to be fit; each employee had to pass a physical.