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Performance Differences Between the Conditions of Running with the Foot Bare and Running with the Foot Shod

出版	Springfield College, 2007
URL	http://books.google.com.hk/books?id=k-w1OAAACAAJ&hl=&source=gbs_api

註釋Abstract: The present investigation was designed to determine if a difference in performance existed between time to complete a simulated 3200 m race in the shod or barefoot condition. The present investigation also included a comparison of running economy (RE) in shod and barefoot conditions and an evaluation of velocity at V02peak (vV02peak) as a predictor of 3200 m race performance. Subjects were trained male distance runners (N = 8). The testing sessions included a V02peak test; a barefoot and shod RE assessment session of a 5 min run at speeds of 3.33, 3.78, and 4.22 m/s; and two randomized 3200 m simulated race trials in shod and barefoot conditions. A significant difference existed in 3200 m time across conditions with all subjects having a faster time to completion while barefoot. No significant difference existed across conditions in the RE assessment that accounted for 3200 m performance differences. A trend toward a lower percentage of V02peak across conditions at 3.78 m/s accounted for 64% of the difference in performance. As a predictor of performance, vV02peak was very strong, accounting for 80% of variance in 3200 m performance in the shod condition. In conclusion, racing barefoot improved 3200 m performance in male runners.