Aerobics programs contain activities which are performed as exercises of body shaping and movements in a particular rhythm. These movements are mostly cyclic and acyclic, and they imply synchronized movements of hands, legs and the entire body, most usually along with the musical support. Aerobics and step aerobics have been the essence of group programs for a number of years. Aerobics classes offer various types of exercises and equipment. The fitness industry does not spare money when it comes to innovations. The manufacturers obtain a patent for various exercise equipment and movements in hopes of creating a new trend.