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Ankle dorsiflexor muscle performance in healthy young men and women: reliability of eccentric peak torque and work measurements.
Department of Physical Therapy, Lund University.
Department of Mathematical Sciences, University of Liverpool.
Faculty of Physical Education and Recreation Studies, University of Manitoba, Winnipeg, Manitoba.
2001 (English)In: Journal of Rehabilitation Medicine, ISSN 1650-1977, E-ISSN 1651-2081, Vol. 33, no 2, p. 90-96Article in journal (Refereed) Published
Abstract [en]

The aims of this study were: (i) to assess the test-retest intrarater reliability of eccentric ankle dorsiflexor muscle performance in young healthy men and women using the Biodex dynamometer; and (ii) to examine different statistical indices for the interpretation of reliability. Thirty men and women (age 22.5 +/- 2.5 years, mean +/- S.D.) performed three maximal eccentric contractions at 30 degrees/second and 90 degrees/second, with 7-10 days between test sessions. Reliability was evaluated with three intraclass correlation coefficients (ICC1,1, ICC2,1 and ICC3,1), and was excellent for peak torque (ICC 0.90-0.96) and good to excellent for work (ICC 0.69-0.83), with no discernible differences among the three ICCs. Method errors, assessed by the standard error of the measurement (S.E.M.) and S.E.M.%, were low. The Bland & Altman graphs and analyses indicated no significant systematic bias in the data. In conclusion, measurements of eccentric ankle dorsiflexor muscle performance in young healthy individuals using the Biodex are highly reliable.

Place, publisher, year, edition, pages
2001. Vol. 33, no 2, p. 90-96
Identifiers
URN: urn:nbn:se:ltu:diva-5185DOI: 10.1080/165019701750098966Local ID: 33970650-65af-11dc-8a3f-000ea68e967bOAI: oai:DiVA.org:ltu-5185DiVA, id: diva2:978059
Note
Upprättat; 2001; 20070918 (lotfra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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