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Author Sanchez, R.; Villena, M. doi  openurl
  Title Comparative evaluation of wearable devices for measuring elevation gain in mountain physical activities Type Journal Article
  Year 2020 Publication Proceedings Of The Institution Of Mechanical Engineers Part P-Journal Of Sports Engineering And Technology Abbreviated Journal Proc. Inst. Mech. Eng. Part P-J. Sport. Eng. Technol.  
  Volume to appear Issue Pages 8 pp  
  Keywords Mountain running; physical workload; altitude; measuring; validity; GPS; barometric device  
  Abstract The aim of this article is to examine the validity of elevation gain measures in mountain activities, such as hiking and mountain running, using different wearable devices and post-processing procedures. In particular, a total of 202 efforts were recorded and evaluated using three standard devices: GPS watch, GPS watch with barometric altimeter, and smartphone. A benchmark was based on orthorectified aerial photogrammetric survey conducted by the Chilean Air Force. All devices presented considerable elevation gain measuring errors, where the barometric device consistently overestimated elevation gain, while the GPS devices consistently underestimated elevation gain. The incorporation of secondary information in the post-processing can substantially improve the elevation gain measuring accuracy independently of the device and altitude measuring technology, reducing the error from -5% to -1%. These results could help coaches and athletes correct elevation gain estimations using the proposed technique, which would serve as better estimates of physical workload in mountain physical activities.  
  Address [Sanchez, Raimundo; Villena, Marcelo] Adolfo Ibanez Univ, Fac Engn & Sci, Diagonal Las Torres 2640, Santiago 7910000, Chile, Email: raimundo.sanchez@uai.cl  
  Corporate Author Thesis  
  Publisher Sage Publications Ltd Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1754-3371 ISBN Medium  
  Area (up) Expedition Conference  
  Notes WOS:000534320000001 Approved no  
  Call Number UAI @ eduardo.moreno @ Serial 1201  
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