Conclusion When compared with running in traditional cushioned shoes both

Conclusion when compared with running in traditional

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Conclusion: When compared with running in traditional, cushioned shoes, both barefoot (socked) running and minimalist running shoes produce greater running efficiency in some experienced runners, with a greater tendency toward a midfoot or forefoot strike and a shorter ground contact time. Minimalist shoes closely approximate socked running in the 4 measurements performed. Clinical Relevance: With regard to running efficiency and biomechanics, in some runners, barefoot (socked) and minimalist footwear are preferable to traditional running shoes. Keywords: running biomechanics; traditional shoes; minimalist shoes; foot strike; ground contact time From University School, Hunting Valley, Ohio, and Department of Orthopaedic Surgery, The Cleveland Clinic, Cleveland, Ohio *Address correspondence to Stephen M. Gillinov, 220 Basswood Lane, Moreland Hills, OH 44022 (e-mail: [email protected]). The following author reported potential conflicts of interest: Stephen M. Gillinov has received research funding from the Strnad Program at University School. Shoes for this experiment were provided by New Balance. Neither of these sources had any role in the research design and its analysis and publication. DOI: 10.1177/1941738115571093 © 2015 The Author(s)
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SPORTS HEALTH vol. 7 no. 3 257 Several studies have examined the effects of traditional running shoes on running biomechanics, most notably on foot strike. 7,9-11,14 Related studies demonstrate that selected biomechanical factors, including foot strike, ground contact time, stride cadence, and knee angle, influence running efficiency. 3,6,8,11,14 However, there are limited data comparing the impact of the 3 distinct types of running footwear—traditional shoes, minimalist shoes, and barefoot running—on running efficiency (eg, VO 2 max or cost of transport). Accordingly, the first objective of this study was to determine the effect of traditional, minimalist, and barefoot footwear on running biomechanics and efficiency through analysis of foot strike, ground contact time, stride cadence, and knee flexion angle at foot strike. Second, this study sought to establish whether minimalist footwear approximates barefoot running in these 4 measures of running biomechanics. METHODS Subjects The trial protocol was approved by the Anderson Scholars Program at University School. Running biomechanics were measured in 15 male varsity high school cross-country runners, aged 14 to 18 years (Table 1). All subjects were experienced runners, especially at the 5K (5 kilometers) distance, with a mean 5K personal best time of 18:44 ± 1:08 (minutes:seconds) and a mean weekly mileage of 21.86 ± 9.84 mi. Recreational runners and those either injured or recovering from injury were excluded. Data regarding running habits were available for 14 of 15 subjects. Of the 14 subjects, 9 trained in a traditional shoe and 5 trained in a minimalist shoe. Each subject voluntarily provided this preliminary data and agreed to participate in the study of his own volition, giving written informed consent to participate.
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  • Fall '15
  • Dr. Wiersma

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