Effects of independently altering body weight and body mass on the metabolic cost of running

L.P.J. Teunissen, A. Grabowski, R. Kram

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The metabolic cost of running is substantial, despite the savings from elastic energy storage and return. Previous studies suggest that generating vertical force to support body weight and horizontal forces to brake and propel body mass are the major determinants of the metabolic cost of running. In the present study, we investigated how independently altering body weight and body mass affects the metabolic cost of running. Based on previous studies, we hypothesized that reducing body weight would decrease metabolic rate proportionally, and adding mass and weight would increase metabolic rate proportionally. Further, because previous studies show that adding mass alone does not affect the forces generated on the ground, we hypothesized that adding mass alone would have no substantial effect on metabolic rate. We manipulated the body weight and body mass of 10 recreational human runners and measured their metabolic rates while they ran at 3 m s
    Original languageEnglish
    Pages (from-to)4418-4427
    JournalJournal of Experimental Biology
    Volume210
    DOIs
    Publication statusPublished - 2011

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