In the thousands of patients I have tested, they always come out poorly with this #1 back exercise. Why? It's a weakness we develop as soon as we start to sit in chairs, wear comfy shoes, walk on concrete sidewalks and live in homes with comfortable flooring. In many regards, these are beneficial inventions. However, if you've been following my blog, there is one point I continually make. Always remember: it is the dose that makes the poison. We use these moderns technologies