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Adding intermittent vibration to varied-intensity work intervals: no extra benefit

Bossi, Arthur Henrique; Mesquida, Cristian; Hopker, James; R�nnestad, Bent

Authors

Cristian Mesquida

James Hopker

Bent R�nnestad



Abstract

Varied-intensity work intervals have been shown to induce higher fractions of maximal oxygen uptake during high-intensity interval training compared with constant-intensity work intervals. We assessed whether varied-intensity work intervals combined with intermittent vibration could further increase cyclists’ fraction of maximal oxygen uptake to potentially optimise adaptive stimulus. Thirteen cyclists (V̇O2max: 69.7±7.1 ml·kg-1·min-1) underwent a performance assessment and two high-intensity interval training sessions. Both comprised six 5-minute varied-intensity work intervals within which work rate was alternated between 100% (3x30-second blocks, with or without vibration) and 77% of maximal aerobic power (always without vibration). Adding vibration to varied-intensity work intervals did not elicit longer time above ninety percent of maximal oxygen uptake (415±221 versus 399±209 seconds, P=0.69). Heart rate- and perceptual-based training-load metrics were also not affected (all P≥0.59). When considering individual work intervals, no between-condition differences were found (fraction of maximal oxygen uptake, P=0.34; total oxygen uptake, P=0.053; mean minute ventilation, P=0.079; mean heart rate, P=0.88; blood lactate concentration, P=0.53; ratings of perceived exertion, P=0.29). Adding intermittent vibration to varied-intensity work intervals does not increase the fraction of maximal oxygen uptake elicited. Whether intermittent exposure to vibration can enhance cyclists’ adaptive stimulus triggered by high-intensity interval training remains to be determined.

Journal Article Type Article
Acceptance Date Mar 29, 2022
Online Publication Date Nov 11, 2022
Publication Date 2023
Deposit Date Aug 16, 2022
Journal International Journal of Sports Medicine
Print ISSN 0172-4622
Electronic ISSN 1439-3964
Publisher Thieme Publishing
Peer Reviewed Peer Reviewed
Volume 44
Issue 02
Pages 126-132
DOI https://doi.org/10.1055/a-1812-7600
Keywords vibration training, athletic performance, physiological responses, elite cycling, physical conditioning, exercise tolerance
Public URL http://researchrepository.napier.ac.uk/Output/2896864