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Can forefoot varus wedges enhance anaerobic cycling performance in untrained males with forefoot varus?

Dinsdale, Nicholas J. and Williams, Alun G. (2010) Can forefoot varus wedges enhance anaerobic cycling performance in untrained males with forefoot varus? Sport Scientific And Practical Aspects: International Scientific Journal of Kinesiology, 7 (2). pp. 5-10. ISSN 1840-4561

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Abstract

There is limited research relating to cycling biomechanics, and more specifically, the use of foot orthotics to enhance cycling performance. Therefore, this study investigated the effect of forefoot varus wedges (foot orthotics) on cycling performance, as measured by anaerobic power output in a population of untrained males presenting with forefoot varus. Six untrained males (forefoot varus mean ± SD; 6.1 ± 1.7°) completed two separate 30 s Wingate Anaerobic tests (WAnT) on a Monark 824E cycle ergometer, one with and one without varus wedges, in a counterbalanced order. Although paired-sample t-tests revealed no significant difference P > .05 in mean power, peak power, and anaerobic fatigue between the two conditions, a Pearson’s productmoment correlation coefficient (r = .957, n = 6, P = .003) demonstrated that varus wedges offer greater performance benefits to riders with greater forefoot varus. These preliminary data suggest that correcting forefoot varus using wedges may improve shortterm power output during cycling for individuals possessing high levels of forefoot varus.

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