Preliminary study : the effect of biomechanical foot orthotics in bilateral pedalling asymmetry in three cyclists affected by an anatomic asymmetry

Geoffrey Millour 1 Marc Retali Emmanuel Brunet Guillaume Nicolas 2 Frédéric Grappe 3 Anthony Bouillod 3 Nicolas Bideau 2
1 GRESPI - Groupe de Recherche en Sciences Pour l'Ingénieur - EA 4694
2 UR2 - Université de Rennes 2
3 C3S - Laboratoire Culture, sport, santé, société - UFC (EA 4660)
Abstract : The optimization of the cyclist's position aims to increase performance and may prevent injuries. To find the optimum posture, taking into account anthropometry of the cyclist is essential [1] because an anatomic asymmetry (short leg) could alter the cyclist's balance causing a decrease of power output for one of the two lower limbs. Bilateral pedalling asymmetry may amplify the risk of premature fatigue and injuries [2]. Biomechanical foot orthotics (FO) are used to reduce injuries [3] and to increase performance [4] improving left/right balance between the two legs. The aim of this study was to analyse the effect of the installation of a new FO (just after the laying) on a bilateral pedalling asymmetry in cyclist affected by an anatomic asymmetry (short leg).
Keywords : short leg foot orthotics bilateral pedalling asymmetry maximal crank torque
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Geoffrey Millour, Marc Retali, Emmanuel Brunet, Guillaume Nicolas, Frédéric Grappe, et al.. Preliminary study : the effect of biomechanical foot orthotics in bilateral pedalling asymmetry in three cyclists affected by an anatomic asymmetry. Science & Cycling, Jun 2016, Caen, France. ⟨hal-01693059⟩

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