Reproducibility of variables derived from a 90s all-out effort isokinetic cycling test

Dekerle, J., Hammond, A., Brickley, G. and Carter, H. (2006) Reproducibility of variables derived from a 90s all-out effort isokinetic cycling test Journal of Sports Medicine and Physical Fitness, 46 (3). pp. 388-394. ISSN 0022-4707

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Abstract

Aim. The aim of this study was to examine the reliability of the power output profile obtained from a 90 s all-out isokinetic cycling test. Methods. Within a 10 day period, 16 participants (-x±s: age 30.1±6.4 years; body mass 69.2±10.6 kg) performed an incremental VO2 max ramp test and two 90 s all-out efforts on an isokinetic cycle ergometer. Peak power (PP), mean power (MP), end power (EP) and fatigue index (FI) were determined. Results. There were no significant differences between tests for MP, EP and FI values (P>0.05) but PP was higher on the second test (P=0.003). Ratio limits of agreement suggested that a repeated measurement might be expected in 95% of cases to be between 0.92 to 1.21 times the initial PP measurement and 0.97 to 1.07 times the initial MP measurement. The 95% limits of agreement for EP and fatigue were -23 to +33 W (1.8±9.7% of the mean) and -6.5% to 8.8% (2±7.6% of the mean), respectively. Conclusions. The 90 s all-out test appears to be a reliable test for given aspects of the physiological profile, with the exception of PP.

Item Type: Journal article
Uncontrolled Keywords: isokinetic cycling test; cycling; sport and exercise science; cycle ergometer
Subjects: C000 Biological and Biomedical Sciences > C600 Sport and Exercise Science
C000 Biological and Biomedical Sciences
B000 Health Professions > B100 Anatomy Physiology and Pathology
C000 Biological and Biomedical Sciences > C700 Molecular Biology, Biophysics and Biochemistry
B000 Health Professions > B100 Anatomy Physiology and Pathology > B190 Anatomy, Physiology and Pathology not elsewhere classified
B000 Health Professions > B100 Anatomy Physiology and Pathology > B160 Biomechanics
Faculties: Faculty of Education and Sport > Chelsea School
Depositing User: Chelsea editor
Date Deposited: 08 Jun 2007
Last Modified: 26 Jun 2012 10:45
URI: http://eprints.brighton.ac.uk/id/eprint/1989

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