NIRS Measurements with Elite Speed Skaters: Comparison Between the Ice Rink and the Laboratory

  • Catherine Hesford
  • Marco Cardinale
  • Stewart Laing
  • Chris E. Cooper
Conference paper
Part of the Advances in Experimental Medicine and Biology book series (volume 765)

Abstract

Wearable, wireless near-infrared (NIR) spectrometers were used to compare changes in on-ice short-track skating race simulations over 1,500 m with a 3-min cycle ergometry test at constant power output (400 W). The subjects were six male elite short-track speed skaters. Both protocols elicited a rapid desaturation (∆TSI%) in the muscle during early stages (initial 20 s); however, asymmetry between right and left legs was seen in ΔTSI% for the skating protocol, but not for cycling. Individual differences between skaters were present in both protocols. Notably, one individual who showed a relatively small TSI% change (−10.7%, group mean = −26.1%) showed a similarly small change during the cycling protocol (−5.8%, group mean = −14.3%). We conclude that NIRS-detected leg asymmetry is due to the specific demands of short-track speed skating. However, heterogeneity between individuals is not specific to the mode of exercise. Whether this is a result of genuine differences in physiology or a reflection of differences in the optical properties of the leg remains to be determined.

Keywords

NIRS Speed skaters 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Catherine Hesford
    • 1
    • 2
  • Marco Cardinale
    • 1
  • Stewart Laing
    • 1
  • Chris E. Cooper
    • 2
  1. 1.School of Biological SciencesUniversity of EssexColchesterUK
  2. 2.British Olympic Medical Institute, University College London HospitalLondonUK

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