We have been exercising in one form or another for centuries. Throughout these centuries we have our environment and created wonderful machines that take away the need for a lot of physical exertion in our daily life. Along the way, we have learned that physical activity is important to our overall health. As we have moved to a more sedentary lifestyle, we’ve had to come up with ways to get exercise on a regular basis. Today there are hundreds of different ways to exercise. Exercise have been developed to accomplish one or all three things. These are: Strengthening the Heart…