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The relevance of using isokinetic measures to evaluate strength
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
2010 (English)In: Advances in Physiotherapy, ISSN 1403-8196, E-ISSN 1651-1948, Vol. 12, no 4, 194-200 p.Article in journal (Refereed) Published
Abstract [en]

Isokinetic testing is often used to evaluate the effect of different types of interventions and also to interpret whether an individual is ready to return to physical activity. However, limited research exists concerning the suitability of evaluating the effect of isotonic training using isokinetic testing. The aim with this study was to assess the relation between the development of force during isokinetic and isotonic concentric maximal contractions. Fifty subjects (24 women and 26 men) performed maximal concentric isokinetic and isotonic elbow flexion. The isokinetic tests were performed in an isokinetic dynamometer and the isotonic tests in a pulley apparatus. The relationship between the isokinetic values (peak value and mean force value) and the isotonic values (1RM) was modeled by linear regression analysis. There was a significant linear correlation between both the isokinetic values and the isotonic value that explained 89% (peak) and 88% (mean) of the variation. From the linear regression analysis, two different formulas were derived to estimate the prediction of the isokinetic values. The significant relation between isokinetic and isotonic measures means that it may be possible to evaluate the effects of isotonic training by using an isokinetic dynamometer. However, there was a large variation around the predicted isokinetic values that has to be considered. It is important to point out that the results of this study are applicable only on healthy young men and women with similar strength as our subjects.

Read More: http://informahealthcare.com/doi/abs/10.3109/14038196.2010.507783

Place, publisher, year, edition, pages
2010. Vol. 12, no 4, 194-200 p.
Keyword [en]
Isotonic, muscle testing, one repetition maximum, regression analysis
National Category
Physiotherapy
Research subject
Physiotherapy
Identifiers
URN: urn:nbn:se:umu:diva-41329DOI: 10.3109/14038196.2010.507783OAI: oai:DiVA.org:umu-41329DiVA: diva2:405647
Available from: 2011-03-23 Created: 2011-03-23 Last updated: 2017-12-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • de-DE
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