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Overpronation and achilles strain

Discussion in 'Biomechanics, Sports and Foot orthoses' started by NewsBot, Jan 13, 2019.

  1. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1

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    Differences in the strain applied to Achilles tendon fibers when the subtalar joint is overpronated: a simulation study
    Mutsuaki EdamaTomoya TakabayashiTakuma InaiTakanori KikumotoWataru ItoEmi NakamuraRyo HirabayashiMasahiro IkezuFumiya KanekoIkuo Kageyama
    Surgical and Radiologic Anatomy: 08 January 2019
     
  2. Craig Payne

    Craig Payne Moderator

    Articles:
    6
    "The study results suggest that the degree of strain applied within the AT with subtalar joint pronation is not constant" = subject specific response
     
  3. Admin2

    Admin2 Administrator Staff Member

  4. Romanair

    Romanair Member

    "when the subtalar joint was pronated, MG, LG, and Sol stretched"
    Could that in turn mean that a short or inflexible tenton-muscle unit promotes or even exaggerates an excessive rearfoot eversion in for example flexible flatfoot?
    Can the results of this study hint towards this hypotheses or does anyone know of any study in this direction?
     
  5. A short musculo-tendon unit should result in increased internal supination moment acting about the subtalar joint axis, but the reason we see increased pronation in concert with tight/ short tendo Achilles is explained by the equinus paradox.
     
  6. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1
    The relationship between movement of the shank while running and foot alignment factors that lead to the onset of Achilles peritendinitis.
    Kurihara Y et al
    J Phys Ther Sci. 2019 Mar;31(3):227-231
     
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