The free Adobe Acrobat Reader is required to view PDF formatted files. Of course not. But for millions of Americans, clearly, home exercise equipment helps. It can be used rain or shine, day or night, at a moment's notice.
Mechanical features encourage proper form and help maintain consistent levels of exertion.
Feedback systems measure progress and provide motivation. This 16 page guide, based on information from companies that make exercise equipment, is intended to help consumers make buying decisions that are beneficial and satisfying.