USA. ARIZONA. Community College Fitness class. A positive aspects of American senior citizens is their realisation that the correct exercise is not only useful to prolong active life but is also fun. The Estrella Community College Arizona is an example of community facilities where seniors under expect tuition use the equipment of the students.. Many members are over eighty years of age and often disabled in some way. Within a month of starting this person had cut by a third her exterior use of oxygen. 1997