Eur J Appl Physiol (2017) 117:1869–1876 DOI 10.1007/s00421-017-3677-y ORIGINAL ARTICLE The metabolic costs of walking and running up a 30‑degree incline: implications for vertical kilometer foot races 1 2,3 1 Amanda Louise Ryan Ortiz · Nicola Giovanelli · Rodger Kram Received: 10 January 2017 / Accepted: 30 June 2017 / Published online: 10 July 2017 © Springer-Verlag GmbH Germany 2017 Abstract Conclusion On a 30° incline, metabolic power increases −1 Purpose Vertical kilometer (VK) races, in which run- linearly with velocity. At speeds slower than 0.7 ms , ners gain 1000 m of elevation in <5000 m of distance, are walking requires less metabolic power than running −1 becoming popular. However, few studies on steep uphill (W kg ) suggesting most VK racers should walk rather running (>25°) exist. Previously, we determined that ~30° than run. is the optimal angle for uphill running, costing the least amount of metabolic energy for a specific vertical velocity. Keywords Uphill · Cost of transport · Energetics · To inform the training and strategy of VK racers, we quan- Economy tified the metabolic cost of walking and running at various velocities up a 30° incline. Abbreviations Methods At 30°, 11 experienced runners (7
European Journal of Applied Physiology – Springer Journals
Published: Jul 10, 2017
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