| The powered wrist flexes and extends as well as pronates and supinates and provides a combined lateral and medial deviation capability. |
| This process progresses to the development of caput ulnae syndrome in which the carpus subluxates volarly and supinates while the ulnar head displaces dorsally. |
| A patient who supinates will benefit from a less stable, more cushioned shoe providing more impact resistant materials such as gel and air. |
