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Foot orthoses induce immediate changes in intrinsic foot muscle EMG activity during walking

Discussion in 'Biomechanics, Sports and Foot orthoses' started by scotfoot, Nov 1, 2019.

  1. scotfoot

    scotfoot Well-Known Member


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    Quotes from an interesting abstract , from a recent oral presentation -


    Foot orthoses induce immediate changes in intrinsic foot muscle EMG activity during walking N. Collins ∗, S. Salomoni, E. Elgueta Cancino, K. Tucker, P. Hodges The University of Queensland Introduction:


    " Sports medicine practitioners frequently use foot orthoses to manage lower limb pain and injury. Individual variability in biomechanical response to foot orthoses questions the conventional kinematic paradigm, whereby orthoses effects occur via passive control of foot pronation. It is plausible that foot orthoses exert their therapeutic effects by modulating activity of the intrinsic foot muscles, acting as the foot’s own internal stabilising mechanism. "



    "Discussion: Immediate neuromuscular adaptations when walking with foot orthoses appear to reduce neural drive to the deep intrinsicmuscles in the forefoot (AddH, FDI), particularly during key periods of the gait cycle where they typically demonstrate peaks of activity. This may affect the capacity of these muscles to contribute to forefoot stiffness and aid propulsion in terminal stance. "
     
  2. scotfoot

    scotfoot Well-Known Member

    "It is plausible that foot orthoses exert their therapeutic effects by modulating activity of the intrinsic foot muscles, acting as the foot’s own internal stabilising mechanism. "

    An interesting idea and one that would perhaps teach towards the use of foot strengthening exercises along with some types of orthotic provision .
     
    Last edited: Nov 1, 2019
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