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Concurrent validity...
Concurrent validity of an isokinetic lift test used for admission to the Swedish Armed Forces
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- Bohman, Tony (author)
- Karolinska Institutet,Karolinska institutet
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- Tegern, Matthias (author)
- Karolinska Institutet,Umeå universitet,Institutionen för samhällsmedicin och rehabilitering,Department of Neurobiology, Care Sciences and Society, Division of Physiotherapy, Karolinska Institutet, Stockholm, Sweden
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- Halvarsson, Alexandra (author)
- Karolinska Institutet
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- Broman, Lisbet (author)
- Karolinska Institutet
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- Larsson, Helena (author)
- Karolinska Institutet
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(creator_code:org_t)
- 2018-11-06
- 2018
- English.
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In: PLOS ONE. - : Public Library of Science. - 1932-6203. ; 13:11
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Abstract
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- The aim of this study was to assess the concurrent validity of the IsoKai isokinetic lift test peak force (IsoKai(Peak))1 in comparison to a submaximal 5-1ORM deadlift test (5-10RM(DL)), and to develop an equation for converting the IsoKai(Peak) in Newton (N) to an estimated 1 RM (1 RMest) deadlift load in kilograms (kg). The participants included 28 males and 16 female employees in the Swedish Armed Forces (20-59 years). Each participant conducted the IsoKai lift test, followed by the 5-1ORM(DL) test at one occasion. The Pearson's correlation coefficient, with a 95% confidence interval was calculated to evaluate the validity between the IsoKai(peak) and the 1 RMest deadlift load derived from the 5-10RM(DL) test. Univariate and multivariable linear regressions were used to derive the equation for calculating the 1 RMest deadlift load based on the IsoKai(Peak)- The IsoKai(p)(eak) showed good- to-excellent correlation with the 1 RMest deadlift weight with a correlation coefficient of 0.84 (0.72-0.91) for the total sample, and 0.65 (0.37-0.83) and 0.81 (0.53-0.93) in males and females, respectively. The final equation, 1 RMest deadlift weight (kg) = -51.63 + (0.08 x IsoKai(Peak))1+ (2.28 x BMI), explained 72% (adjusted R-2 = 0.72) of the total variance in the 1 RMest, and had a standard error of the estimate (SEE) of 16.57 kg. In conclusion, the IsoKai isokinetic lift test could be considered a highly valid measure of maximal dynamic muscular strength in comparison to the 5-10RM(DL). The equation can be used to convert the IsoKai lift test (N) results to an 1 RMest deadlift load (kg), but with consideration of the relative large SEE.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Sjukgymnastik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Physiotherapy (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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