Effect of cadence selection on peak power and time of power production in elite BMX riders: A laboratory based study.

Journal article


Rylands, Lee, Roberts, Simon J., Hurst, Howard Thomas and Bentley, Ian 2016. Effect of cadence selection on peak power and time of power production in elite BMX riders: A laboratory based study. Journal of Sports Sciences. https://doi.org/10.1080/02640414.2016.1215491
AuthorsRylands, Lee, Roberts, Simon J., Hurst, Howard Thomas and Bentley, Ian
Abstract

The aims of this study were to analyse the optimal cadence for peak power production and time to peak power in bicycle motocross (BMX) riders. Six male elite BMX riders volunteered for the study. Each rider completed 3 maximal sprints at a cadence of 80, 100, 120 and 140 revs · min(-1) on a laboratory Schoberer Rad Messtechnik (SRM) cycle ergometer in isokinetic mode. The riders' mean values for peak power and time of power production in all 3 tests were recorded. The BMX riders produced peak power (1105 ± 139 W) at 100 revs · min(-1) with lower peak power produced at 80 revs · min(-1) (1060 ± 69 W, (F(2,15) = 3.162; P = .266; η(2) = 0.960), 120 revs · min(-1) (1077 ± 141 W, (F(2,15) = 4.348; P = .203; η(2) = 0.970) and 140 revs · min(-1) (1046 ± 175 W, (F(2,15) = 12.350; P = 0.077; η(2) = 0.989). The shortest time to power production was attained at 120 revs · min(-1) in 2.5 ± 1.07 s. Whilst a cadence of 80 revs · min(-1) (3.5 ± 0.8 s, (F(2,15) = 2.667; P = .284; η(2) = 0.800) 100 revs · min(-1) (3.00 ± 1.13 s, (F(2,15) = 24.832; P = .039; η(2) = 0.974) and 140 revs · min(-1) (3.50 ± 0.88 s, (F(2,15) = 44.167; P = .006; η(2) = 0.967)) all recorded a longer time to peak power production. The results indicate that the optimal cadence for producing peak power output and reducing the time to peak power output are attained at comparatively low cadences for sprint cycling events. These findings could potentially inform strength and conditioning training to maximise dynamic force production and enable coaches to select optimal gear ratios.

KeywordsCycling; Bicycle motocross; Power; Cadence
Year2016
JournalJournal of Sports Sciences
PublisherTaylor & Francis
ISSN1466447X
Digital Object Identifier (DOI)https://doi.org/10.1080/02640414.2016.1215491
Web address (URL)http://hdl.handle.net/10545/621427
hdl:10545/621427
Publication dates01 Aug 2016
Publication process dates
Deposited20 Feb 2017, 10:58
Accepted15 Jul 2016
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Archived with thanks to Journal of sports sciences

ContributorsUniversity of Derby, Liverpool John Moores University and University of Central Lancashire
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