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  • Sperlich, BillyUniversity of Wuppertal, Department of Sport Science, Wuppertal, Germany (författare)

Is leg compression beneficial for alpine skiers?

  • Artikel/kapitelEngelska2013

Förlag, utgivningsår, omfång ...

  • 2013-09-02
  • Springer Science and Business Media LLC,2013
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:miun-20916
  • https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-20916URI
  • https://doi.org/10.1186/2052-1847-5-18DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-84406URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:du-32267URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Background:This study examined the effects of different levels of compression (0, 20 and 40 mmHg) produced byleg garments on selected psycho-physiological measures of performance while exposed to passive vibration (60 Hz,amplitude 4-6 mm) and performing 3-min of alpine skiing tuck position.Methods:Prior to, during and following the experiment the electromygraphic (EMG) activity of different muscles,cardio-respiratory data, changes in total hemoglobin, tissue oxygenation and oscillatory movement ofm. vastuslateralis, blood lactate and perceptual data of 12 highly trained alpine skiers were recorded. Maximal isometric kneeextension and flexion strength, balance, and jumping performance were assessed before and after the experiment.Results:Thekneeangle(−10°) and oscillatory movement (−20-25.5%) were lower with compression (P<0.05inall cases). The EMG activities of thetibialis anterior(20.2-28.9%),gastrocnemius medialis(4.9-15.1%),rectus femoris(9.6-23.5%), andvastus medialis(13.1-13.7%) muscles were all elevated by compression (P< 0.05 in all cases).Total hemoglobin was maintained during the 3-min period of simulated skiing with 20 or 40 mmHg compression,but the tissue saturation index was lower (P< 0.05) than with no compression. No differences in respiratory parameters,heart rate or blood lactate concentration were observed with or maximal isometric knee extension and flexionstrength, balance, and jumping performance following simulated skiing for 3 min in the downhill tuck positionwere the same as in the absence of compression.Conclusions:These findings demonstrate thatwith leg compression, alpine skiers could maintain a deeper tuckposition with less perceived exertion and greater deoxygenation of thevastus lateralismuscle, with nodifferences in whole-body oxygen consumption or blood lactate concentration. These changes occurred withoutcompromising maximal leg strength, jumping performance or balance. Accordingly, our results indicate that theuse of lower leg compression in the range of 20-40 mmHg may improve alpine skiing performance by allowing adeeper tuck position and lowering perceived exertion.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Born, Dennis-PeterUniversity of Wuppertal, Department of Sport Science, Wuppertal, Germany (författare)
  • Swarén, MikaelMittuniversitetet,Avdelningen för hälsovetenskap,Swedish Winter Sports Research Centre,Mittuniversitetet, Avdelningen för hälsovetenskap(Swepub:du)miv (författare)
  • Kilian, YvonneInstitute of Training Science and Sport Informatics, German Sport University Cologne, Cologne, Germany (författare)
  • Geesmann, Björn,1958-Institute of Training Science and Sport Informatics, German Sport University Cologne, Cologne, Germany (författare)
  • Holmberg, Hans-Christer,1958-Mittuniversitetet,Avdelningen för hälsovetenskap,Swedish Winter Sports Research Centre,Mittuniversitetet, Avdelningen för hälsovetenskap(Swepub:ltu)holhan (författare)
  • University of Wuppertal, Department of Sport Science, Wuppertal, GermanyAvdelningen för hälsovetenskap (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:BMC Sports Science, Medicine and Rehabilitation: Springer Science and Business Media LLC5:12052-1847
  • Ingår i:Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology: Springer Science and Business Media LLC5:11758-2555

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