Over-pronation is not a problem, it is a consequence of the narrowed base of gait adopted in running. Hyperpronation can cause injury. Can the runner recover from over-pronation? What is the weight of the runner? What is the conditioning of the runner? There are many variables. Also, it will be w...
Nice basic overview of some of the key principles from one of Australia's Podiatry giants... ;-)
ps..... you can excuse narrator's curse for the verbal glitch on axis, can't you?