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Rolling resistance for treadmill roller skiing
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- Ainegren, Mats, 1963- (author)
- Mittuniversitetet,Institutionen för teknik och hållbar utveckling (-2013),Institutionen för hälsovetenskap (-2013)
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- Carlsson, Peter (author)
- Mittuniversitetet,Institutionen för teknik och hållbar utveckling (-2013)
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- Tinnsten, Mats (author)
- Mittuniversitetet,Institutionen för teknik och hållbar utveckling (-2013)
- (creator_code:org_t)
- 2008-08-13
- 2008
- English.
- In: Sports Engineering. - : Springer. - 1369-7072 .- 1460-2687. ; 11:1, s. 23-29
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Modern treadmills allow cross-country skiers, biathletes and ski-orienteers to test their physical performance under laboratory conditions using classical and freestyle techniques on roller skis. The differences in performance between tests are quite small for elite athletes, and it is therefore of great importance to control the rolling resistance of the roller skis. Otherwise different physiological tests cannot be accurately compared.This study shows that during a warm-up period of 30 minutes the coefficient of rolling resistance (µR) decreases to about 60-65% and 70-75% of its initial value for freestyle and classical roller skis respectively.Simultaneous measurements of temperature and µR shows that stabilized rolling resistance corresponds to a certain running temperature for a given normal force on the roller ski.Tests were also performed on the influence on µR of normal force, velocity and inclination. Normal forces produced significant influence on µR , while different velocities and inclinations of the treadmill only resulted in small changes in µR.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)
Keyword
- Incline
- Normal force
- Roller skis
- Velocity
- Warm up
- Sport science
- Sport technology
- Idrottsvetenskap
- Sportteknologi
- Engineering mechanics
- Teknisk mekanik
- Physiology
- Fysiologi
- Sports
- Idrott
Publication and Content Type
- ref (subject category)
- art (subject category)
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