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The (preliminary) Results Are In!

7/29/2009

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Well, my professional cyclists and wannabees...here's the proof! 
These screenshots are from my new study looking at the in-shoe plantar pressures that occur while cycling and the effects of orthotic intervention with my Spin cycling orthotic.  I collected these 07-28-09 using Pedar by Novel, Corival V2 Lode BV cycle, Shimano Dura-ace clipless pedals and professional Nike cycling shoes.  Load, pace, and duration was 400Watts at 90RPM for 15seconds.  I will run parametrics and descriptive analysis soon.  There are only a handful of studies that have been published on this topic so watch for much more from the Graceyfeet crew. 
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Mean peak plantar pressures during cycling in carbon fiber soled bike shoes.  Notice the high pressures around the 1st met head and the small surface area.  Biking with these types of verticle forces going through the foot would inevitably cause overuse injuries such as metatarsalgia, plantar fasciitis, and neuromas.

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Picture
Mean Peak Plantar Pressures in carbon fiber soled bike shoes using a SPIN style orthotic.  Increased surface area employed and plantar pressures are dramatically lower using my design.  There is little to zero chance of injury with forces being this low.  This makes a huge difference after a 2 hour training session (or a 21 stage tour!).

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    Chris Gracey MPT, Cped


    Graceyfeet, LLC.
    Gracey Foot and Ankle, Inc

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