Crutches have been around since the Pharaohs ruled Egypt some years ago. However, as a basic device of medical treatments, crutch design seldom changes. Most crutch design focus on the manufacture and price only and ignores other prospects as well.
Footwork - As arms are not designed to carry the human weight, the usage of crutches is often strenous and painful. As such, the design adopts a hands-free interface, which allows the user to walk wit.