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Skiing efficiency versus performance in double-poling ergometry
Univ, Div Mech, Dept Management & Engn, Inst Technol, SE-58183 Linkoping, Sweden.
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.ORCID iD: 0000-0001-5317-2779
Univ Ljubljana, Fac Sport, Ljubljana, Slovenia.
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences. (Swedish Winter Sports Researc Centre)ORCID iD: 0000-0002-3814-6246
2013 (English)In: Computer Methods in Biomechanics and Biomedical Engineering, ISSN 1025-5842, E-ISSN 1476-8259, Vol. 16, no 9, 987-992 p.Article in journal (Refereed) Published
Abstract [en]

This study is on how leg utilisation may affect skiing efficiency andperformance in double-poling ergometry. Three experiments wereconducted, each with a different style of the double-poling technique:traditional with small knee range-of-motion and fixed heels (TRAD);modern with large knee range-of-motion and fixed heels (MOD1) and modernwith large knee range-of-motion and free heels (MOD2). For each style,motion data were extracted with automatic marker recognition ofreflective markers and applied to a 3D full-body musculoskeletalsimulation model. Skiing efficiency (skiing work divided by metabolicmuscle work) and performance (forward impulse) were computed from thesimulation output. Skiing efficiency was 4.5%, 4.1% and 4.1% for TRAD,MOD1 and MOD2, respectively. Performance was 111, 143 and 149Ns forTRAD, MOD1 and MOD2, respectively. Thus, higher lower body utilisationincreased the performance but decreased the skiing efficiency. Theseresults demonstrate the potential of musculoskeletal simulations forskiing efficiency estimations.

Place, publisher, year, edition, pages
2013. Vol. 16, no 9, 987-992 p.
Keyword [en]
AnyBody Modeling System, AviMes AD, biomechanics, cross-country skiing, impulse, musculoskeletal simulation
National Category
Sport and Fitness Sciences Other Engineering and Technologies not elsewhere specified Applied Mechanics
Identifiers
URN: urn:nbn:se:miun:diva-15585DOI: 10.1080/10255842.2011.648376ISI: 000324612300008Scopus ID: 2-s2.0-84887953209OAI: oai:DiVA.org:miun-15585DiVA: diva2:468423
Projects
Swedish Winter Sports Research Centre
Available from: 2011-12-20 Created: 2011-12-20 Last updated: 2016-06-20Bibliographically approved

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Holmberg, JoakimLund Ohlsson, MarieHolmberg, Hans-Christer
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Computer Methods in Biomechanics and Biomedical Engineering
Sport and Fitness SciencesOther Engineering and Technologies not elsewhere specifiedApplied Mechanics

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