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Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing.

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  • معلومة اضافية
    • NAICS/Industry Codes:
      423910 Sporting and Recreational Goods and Supplies Merchant Wholesalers
      451110 Sporting Goods Stores
      414470 Amusement and sporting goods merchant wholesalers
      339920 Sporting and Athletic Goods Manufacturing
      451112 Ski equipment and supplies specialty stores
      713920 Skiing Facilities
      541420 Industrial Design Services
    • Abstract:
      Background: Kinetic energy (Ekin) increases with speed by the power of 2 and is considered a major risk factor for injuries in alpine ski racing. There is no empirical knowledge about the effect of ski geometry on Ekin. Consequently, the aim of this study was to investigate the influence of sidecut radius on the progress of Ekin while skiing through a multigate section in giant slalom (GS).Methods: 5 European-Cup level athletes skied on three different pairs of GS skis varying in sidecut radii (30, 35 and 40 m). Each athlete's position over time within a six gate section (including flat and steep terrain) was captured by the use of a differential Global Navigational Satellite System. Ekin, speed, time and path length were analysed for each pair of skis used.Results: When using skis with greater sidecut radius, average Ekin was significantly lower over the entire six gate section, but not locally at every turn cycle. Particular decreases of Ekin were observed for both turns on the flat terrain, as well as for the turn at the terrain transition and the first turn on the steep terrain. The observed decreases in Ekin were found to be primarily explainable by increases in turn time.Conclusions: With respect to typical sport mechanisms that cause severe knee injuries, using skis with greater sidecut radius potentially provides additional injury preventative gain, particularly in specific areas within a run. However, this injury preventative gain during falls in GS should not be overestimated. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Copyright of British Journal of Sports Medicine is the property of BMJ Publishing Group and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
    • Author Affiliations:
      1Department of Sport Science and Kinesiology, University of Salzburg, Hallein-Rif, Austria
      2Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
    • ISSN:
      0306-3674
    • Accession Number:
      10.1136/bjsports-2015-095463
    • Accession Number:
      111993563
  • Citations
    • ABNT:
      KRÖLL, J. et al. Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing. British Journal of Sports Medicine, [s. l.], v. 50, n. 1, p. 26–31, 2016. DOI 10.1136/bjsports-2015-095463. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=111993563&custid=s8280428. Acesso em: 12 jul. 2020.
    • AMA:
      Kröll J, Spörri J, Gilgien M, Schwameder H, Müller E. Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing. British Journal of Sports Medicine. 2016;50(1):26-31. doi:10.1136/bjsports-2015-095463.
    • AMA11:
      Kröll J, Spörri J, Gilgien M, Schwameder H, Müller E. Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing. British Journal of Sports Medicine. 2016;50(1):26-31. doi:10.1136/bjsports-2015-095463
    • APA:
      Kröll, J., Spörri, J., Gilgien, M., Schwameder, H., & Müller, E. (2016). Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing. British Journal of Sports Medicine, 50(1), 26–31. https://doi.org/10.1136/bjsports-2015-095463
    • Chicago/Turabian: Author-Date:
      Kröll, Josef, Jörg Spörri, Matthias Gilgien, Hermann Schwameder, and Erich Müller. 2016. “Sidecut Radius and Kinetic Energy: Equipment Designed to Reduce Risk of Severe Traumatic Knee Injuries in Alpine Giant Slalom Ski Racing.” British Journal of Sports Medicine 50 (1): 26–31. doi:10.1136/bjsports-2015-095463.
    • Harvard:
      Kröll, J. et al. (2016) ‘Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing’, British Journal of Sports Medicine, 50(1), pp. 26–31. doi: 10.1136/bjsports-2015-095463.
    • Harvard: Australian:
      Kröll, J, Spörri, J, Gilgien, M, Schwameder, H & Müller, E 2016, ‘Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing’, British Journal of Sports Medicine, vol. 50, no. 1, pp. 26–31, viewed 12 July 2020, .
    • MLA:
      Kröll, Josef, et al. “Sidecut Radius and Kinetic Energy: Equipment Designed to Reduce Risk of Severe Traumatic Knee Injuries in Alpine Giant Slalom Ski Racing.” British Journal of Sports Medicine, vol. 50, no. 1, Jan. 2016, pp. 26–31. EBSCOhost, doi:10.1136/bjsports-2015-095463.
    • Chicago/Turabian: Humanities:
      Kröll, Josef, Jörg Spörri, Matthias Gilgien, Hermann Schwameder, and Erich Müller. “Sidecut Radius and Kinetic Energy: Equipment Designed to Reduce Risk of Severe Traumatic Knee Injuries in Alpine Giant Slalom Ski Racing.” British Journal of Sports Medicine 50, no. 1 (January 2016): 26–31. doi:10.1136/bjsports-2015-095463.
    • Vancouver/ICMJE:
      Kröll J, Spörri J, Gilgien M, Schwameder H, Müller E. Sidecut radius and kinetic energy: equipment designed to reduce risk of severe traumatic knee injuries in alpine giant slalom ski racing. British Journal of Sports Medicine [Internet]. 2016 Jan [cited 2020 Jul 12];50(1):26–31. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=111993563&custid=s8280428