Hi
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I read this forums thread "Optimal amount of pronation finally declared" (http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=33053)
and thought you might be able to help us.
We are two students from Denmark writing our bachelor assignment at the moment. Our assignment is about choosing the right running shoe. We are comparing three tests’ to see if they all lead to the same type of running shoe. Test nr. 1 is The Foot Posture Index, which is a static assessment of the foot, to determine whether the foot is supinated, neutral, pronated or highly pronated. Test nr. 2 i a quality test, where we video tape the subject running in 3 types of shoes; a neutral trainer, a stability trainer and a motion control trainer. We will then determine which of the shoes we think fits the person best. Test nr. 3 is a quantitative test where we measure the angle between the heel bone and the calf, at the moment where the pronation of the subject’s foot is the most.
At the end we are comparing all three methods to determine if there is a correlation between the results. If there is, it would be interesting, because the Foot Posture Index test is a much more simple test to perform and you don’t need a treadmill, video cameras etc.
To compare the test we need to set up some cut-points in especially test nr. 2 and 3, from which we can determine, which of the three shoes are better.
In the quality test we need cut-points on how the motion in the angle should look like, so we can do the assessment equal. An example could be, we think it’s better if the motion is smoothly, rather than the pronation movement is kind of a quick snap, as you sometimes see.
Could you guys help us with your thoughts on which cut-points you would choose?
In test nr. 3 we need some literature to specify a “optimal” angle between the heel bone and the calf. We know that this is a tricky question, because all runners are different and some might hyperpronate with no problems at all and so on. But perhaps there is some literature that gives some information about the subject so we can set up some cut-points. The literature could perhaps also be about a higher injury incidence in hyperpronated runners where the authors have measured the angle.
Do any of you guys know of literature that could help us?
Best Regards
Frans and Kasper
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