Is leg compression beneficial for alpine skiers?

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Is leg compression beneficial for alpine skiers?

Sperlich, Billy (författare): University of Wuppertal, Department of Sport Science, Wuppertal, Germany

Born, Dennis-Peter (författare): University of Wuppertal, Department of Sport Science, Wuppertal, Germany

Swarén, Mikael (författare): Mittuniversitetet,Avdelningen för hälsovetenskap,Swedish Winter Sports Research Centre,Mittuniversitetet, Avdelningen för hälsovetenskap

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Kilian, Yvonne (författare): Institute of Training Science and Sport Informatics, German Sport University Cologne, Cologne, Germany

Geesmann, Björn, 1958- (författare): Institute of Training Science and Sport Informatics, German Sport University Cologne, Cologne, Germany

Holmberg, Hans-Christer, 1958- (författare): Mittuniversitetet,Avdelningen för hälsovetenskap,Swedish Winter Sports Research Centre,Mittuniversitetet, Avdelningen för hälsovetenskap

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2013-09-02
2013
Engelska.
Ingår i: BMC Sports Science, Medicine and Rehabilitation. - : Springer Science and Business Media LLC. - 2052-1847. ; 5:1

Relaterad länk:: https://doi.org/10.1...; visa fler...; https://miun.diva-po... (primary) (Raw object); https://doi.org/10.1...; https://du.diva-port... (primary) (Raw object); https://urn.kb.se/re...; https://doi.org/10.1...; https://urn.kb.se/re...; https://urn.kb.se/re...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

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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

MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)

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BMC Sports Science, Medicine and Rehabilitation (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Sperlich, Billy; Born, Dennis-Pet ...; Swarén, Mikael; Kilian, Yvonne; Geesmann, Björn, ...; Holmberg, Hans-C ...

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Hälsovetenskap; och Idrottsvetenskap

Artiklar i publikationen: BMC Sports Scien ...; Sports Medicine, ...

Av lärosätet: Mittuniversitetet; Luleå tekniska universitet; Högskolan Dalarna

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