Authors: James Balmer¹; Steve Bird²; RC Richard Davison³; Mike Doherty⁴; Paul Smith⁴

Source: Journal of Sports Sciences, Volume 22, Number 7, July 2004 , pp. 661-667(7)

Publisher: Taylor and Francis Ltd

Abstract:

In this study, we assessed the agreement between the powers recorded during a 30 s upper-body Wingate test using three different methods. Fifty-six men completed a single test on a Monark 814E mechanically braked ergometer fitted with a Schoberer Rad Messtechnik (SRM) powermeter. A commercial software package (Wingate test kit version 2.21, Cranlea, UK) was used to calculate conventional and corrected (with accelerative forces) values of power based on a resistive load (5% body mass) and flywheel velocity. The SRM calculated powers based on torque (measured at the crank arm) and crank rate. Values for peak 1 and 5 s power and mean 30 s power were measured. No significant differences (P >0.05) were found between the three methods for 30 s power values. However, the corrected values for peak 1 and 5 s power were 36 and 23% higher (P <0.05) respectively than those for the conventional method, and 27 and 16% higher (P <0.05) respectively than those for the SRM method. The conventional and SRM values for peak 1 and 5 s power were similar (P >0.05). Power values recorded using each method were influenced by sample time (P <0.05). Our results suggest that these three measures of power are similar when sampled over 30 s, but discrepancies occur when the sample time is reduced to either 1 or 5 s.

Keywords: arm cranking; maximal intensity exercise

Document Type: Research article

DOI: http://dx.doi.org/10.1080/02640410310001655831

Affiliations: 1: Deanery of Sciences and Social Sciences Liverpool Hope University College Liverpool UK 2: Centre for Rehabilitation, Exercise and Sport Science Victoria University Melbourne Australia 3: Department of Sport and Exercise Science University of Portsmouth Portsmouth UK 4: Department of Sport, Exercise and Biomedical Sciences University of Luton Luton UK

Publication date: 2004-07-01

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