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The influence of sitting posture on mechanics and metabolic energy requirements during sit-skiing: a case report
Otto Bock Healthcare Products GmbH, Vienna, Austria.
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics.
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2016 (English)In: Sports Engineering, ISSN 1369-7072, E-ISSN 1460-2687, Vol. 19, no 3, 213-218 p.Article in journal (Refereed) Published
Abstract [en]

Several different sitting postures are used in Paralympic cross-country sit-skiing. The aim of this study was to evaluate the impact of sitting posture on physiological and mechanical variables during steady-state double-poling sit-skiing, as well as to determine how seat design can be improved for athletes without sufficient trunk control. Employing a novel, custom-designed seat, three trunk positions were tested while performing double-poling with submaximal oxygen consumption on an ergometer. Cycle kinematics, pole forces, and oxygen consumption were monitored. The athlete performed best, with longer cycle length and less pronounced metabolic responses, when kneeling with the trunk resting on a frontal support. For this case, a forward leaning trunk with knees below the hip joint was interpreted as most optimal, as it showed lower oxygen consumption and related parameters of performance during cross-country sit-skiing. Further investigations should examine whether such improvement is dependent on the level of the athlete’s handicap, as well as whether it is also seen on snow.

Place, publisher, year, edition, pages
2016. Vol. 19, no 3, 213-218 p.
Keyword [en]
Biomechanics, Oxygen consumption, Poling force, Seat, Sit-ski
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:miun:diva-28014DOI: 10.1007/s12283-016-0209-7ISI: 000387943300010Scopus ID: 2-s2.0-84982712590OAI: oai:DiVA.org:miun-28014DiVA: diva2:940059
Available from: 2016-06-20 Created: 2016-06-20 Last updated: 2016-12-12Bibliographically approved

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Ohlsson, M. L.Höök, M.Danvind, J.Kersting, U. G.
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CiteExportLink to record
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Cite
Citation style
  • apa
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  • vancouver
  • Other style
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Language
  • de-DE
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