Patty Renziehauzen, right, a fitness instructor from Pittsburgh, instructs a Zumba class at the 911th Airlift Wing Fitness Center, Jan. 30, 2012. Numerous fitness classes are given daily at the center, ranging from volleyball tournaments to spin endurance classes. Please get in touch with Tamra Davis, the facility manager, and inquire about the unlimited ways to increase your physical health. (U.S. Air Force Photo by Tech. Sgt. Ralph Van Houtem/Released)