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What happens when we redefine adversity from a roadblock to simply a problem needing a solution? Mark shares a poignant story in The Ultimate Equation

This site is independently owned and operated by mobility superstar, Mark E. Smith, who is also a manager for Quantum Rehab. This site only represents and expresses the independent views of Mark E. Smith, wheelchair user extraordinaire, and does not represent the positions, opinions, or expressions of Quantum Rehab or its employees. is about mobility, not manufacturers, so the voices expressed here represent only users.  Its just a user-helping-user thing, and no matter which brand wheels are under your rear, were here to help. / Copyright Mark E. Smith, 1997 - 2016 / no part of this site may be reproduced without permission.   Any E-mails sent to the Editor of are subject to publication.