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  • Gerrard Farrell
    replied
    Re: "Using sound to change foot strike patterns

    Just came across this conference paper (below) from Prof Irene Davis . All the bits required for "gait change to avoid embarrassing noises" would therefore appear to be there . Who wants to quack like a duck all the way round Central Park ? Would the gait changes produced be beneficial ? Again ,I have no idea .

    Gerry
    Conference Paper: Validation Of Using A Mobile Application And Ankle-worn Accelerometers To Calculate Stance Time Asymmetry: 2285 Board #3 June 2, 3

    Steve Jamison Irene Davis
    Full-text available Conference Paper Jun 2016
    Download

    Gerrard Farrell

    Glasgow


    Last edited by Gerrard Farrell; October 22nd, 2016, 06:02 AM.

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  • Gerrard Farrell
    started a topic "Using sound to change foot strike patterns

    "Using sound to change foot strike patterns

    The Relationship Between Landing Sound, Vertical Ground Reaction Force and Kinematics of the Lower Limb During Drop Landings in Healthy Males
    Kevin Wernli et al


    Journal of Orthopaedic & Sports Physical Therapy, 2016 Volume:0 Issue:0 Pages:1?22 DOI: 10.2519/jospt.2016.6041


    Running quietly reduces ground reaction force and vertical loading rate and alters foot strike technique
    Xuan Phan, Tiffany L. Grisbrook, Kevin Wernli, Sarah M. Stearne, Paul Davey & Leo Ng
    Sports Science 03 Sep 2016


    After reading material from the papers referenced above I wondered what would happen if you rigged a solid state accelerometer to a sound producing source and set the system to emit sound when impact transients are created during heel strike .

    The accelerometer could be taped to the lower back area over the spine and the sound source could be a mobile phone located on the upper arm (I have seen people running with phones secured in this area so a suitable product probably exists ) .

    The phone could be set to emit any number of noises and the effects studied .

    Given the abstracts above I am fairly confident that if the phone was set to emit an embarrassing noise every time an impact transient was detected then the study subjects would quickly learn to run without such transients whether shod or unshod . This would be especially true if the subjects trained over time in a busy public area .

    Would the gait changes induced be a good thing ? No idea .

    However,I feel that the issues around ground reaction forces and injury are clouded by the shod/ unshod debate .
    If the system I have outlined above could be made to work then the relationship between gait ,ground reaction forces ,and injury rates could be studied away from the barefoot debate and focus on gait changes among groups of shod individuals with the apparently powerful stimulus of sound being used as the gait changing tool .

    Any thoughts ?


    Gerry
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