One great idea when you want to get in shape, tone your muscles? Maybe you want a good cardio workout if properly used, and many come with built in features such as an adjustable platform and computerized workout to help enhance the effects of your exercise routine. There is some jarring and joint stress involved with running, on a treadmill or other surface, so this equipment may not be a good choice for those who want to burn calories and get a good cardio workout as well, while limiting impact and injury to knees and other leg joints. They typically do not fold up and can tend to take up more space than other equipment and will almost always cost more for quality equipment. It may also be important to have instructions before using some features of the gym to avoid injury. Prove Yourself Worthy Before Buying Home Exercise Equipment And Then Doesn't Use It? Properly done... bodyweight calisthenics exercise will develop a strong, lean and athletic body that actually performs as good as it looks. According