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Effect of Number of Sprints in an SIT Session on Change in V˙O2max / NIELS B. J. VOLLAARD; RICHARD S. METCALFE; SEAN WILLIAMS

Medicine & Science in Sports & Exercise, Volume: 49, Issue: 6, Pages: 1147 - 1156

Swansea University Author: Metcalfe, Richard

Abstract

Purpose: Recent meta-analyses indicate that sprint interval training (SIT) improves cardiorespiratory fitness (V˙ O2max), but the effects of various training parameters on the magnitude of the improvement remain unknown. The present meta-analysis examined the modifying effect of the number of sprint...

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Published in: Medicine & Science in Sports & Exercise
ISSN: 0195-9131
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa35658
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spelling 2019-03-12T17:03:08Z v2 35658 2017-09-26 Effect of Number of Sprints in an SIT Session on Change in V˙O2max Richard Metcalfe Richard Metcalfe true 0000-0003-0980-2977 false 9bb783273dd9d54a2f3f66f75c43abdf fcc7db2e48a3871b8d1c8930af81c180 At67tyQDfiTzbpsZydctE32HZhUyFASdV1DFdgIIhKs= 2017-09-26 STSC Purpose: Recent meta-analyses indicate that sprint interval training (SIT) improves cardiorespiratory fitness (V˙ O2max), but the effects of various training parameters on the magnitude of the improvement remain unknown. The present meta-analysis examined the modifying effect of the number of sprint repetitions in an SITsession on improvements in V˙ O2max. Methods: The databases PubMed and Web of Science were searched for original studies that have examined pre- and posttraining V˙ O2max in adults after Q2 wk of training consisting of repeated (Q2) Wingate-type cycle sprints, published up to May 1, 2016. Articles were excluded if they were not in English; if they involved patients, athletes, or participants with a mean baseline V˙ O2max of 955 mLIkgj1 Iminj1 or a mean age G18 yr; and if an SIT trial was combined with another intervention or used intervals shorter than 10 s. A total of 38 SIT trials from 34 studies were included in the meta-analysis. Probabilistic magnitude-based inferences were made to interpret the outcome of the analysis. Results: The meta-analysis revealed a likely large effect of a typical SIT intervention on V˙ O2max (mean T 90% confidence limits = 7.8% T 4.0%) with a possibly small modifying effect of the maximum number of sprint repetitions in a training session (j1.2% T 0.8% decrease per two additional sprint repetitions). Apart from possibly small effects of baseline V˙ O2max and age, all other modifying effects were unclear or trivial. Conclusion: We conclude that the improvement in V˙ O2max with SIT is not attenuated with fewer sprint repetitions, and possibly even enhanced. This means that SIT protocols can be made more time efficient, which may help SIT to be developed into a viable strategy to impact public health. Journal article Medicine & Science in Sports & Exercise 49 6 1147 1156 0195-9131 SYSTEMATIC REVIEW, CARDIORESPIRATORY FITNESS, AEROBIC CAPACITY, SPRINT INTERVAL TRAINING 1 6 2017 2017-06-01 10.1249/MSS.0000000000001204 http://opus.bath.ac.uk/53689/ College of Engineering Sports Science CENG STSC Applied Sports Technology Exercise and Medicine Research Centre None 2019-03-12T17:03:08Z 2017-09-26T13:26:01Z College of Engineering Engineering NIELS B. J. VOLLAARD 1 RICHARD S. METCALFE 2 SEAN WILLIAMS 3 0035658-29092017101414.pdf VollaardMSSEFinal.pdf 2017-09-29T10:14:14Z Output 815365 application/pdf AM true Published to Cronfa 03/10/2017 2018-06-01T00:00:00 false eng
title Effect of Number of Sprints in an SIT Session on Change in V˙O2max
spellingShingle Effect of Number of Sprints in an SIT Session on Change in V˙O2max
Metcalfe, Richard
title_short Effect of Number of Sprints in an SIT Session on Change in V˙O2max
title_full Effect of Number of Sprints in an SIT Session on Change in V˙O2max
title_fullStr Effect of Number of Sprints in an SIT Session on Change in V˙O2max
title_full_unstemmed Effect of Number of Sprints in an SIT Session on Change in V˙O2max
title_sort Effect of Number of Sprints in an SIT Session on Change in V˙O2max
author_id_str_mv 9bb783273dd9d54a2f3f66f75c43abdf
author_id_fullname_str_mv 9bb783273dd9d54a2f3f66f75c43abdf_***_Metcalfe, Richard
author Metcalfe, Richard
author2 NIELS B. J. VOLLAARD
RICHARD S. METCALFE
SEAN WILLIAMS
format Journal article
container_title Medicine & Science in Sports & Exercise
container_volume 49
container_issue 6
container_start_page 1147
publishDate 2017
institution Swansea University
issn 0195-9131
doi_str_mv 10.1249/MSS.0000000000001204
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
url http://opus.bath.ac.uk/53689/
document_store_str 1
active_str 1
researchgroup_str Applied Sports Technology Exercise and Medicine Research Centre
description Purpose: Recent meta-analyses indicate that sprint interval training (SIT) improves cardiorespiratory fitness (V˙ O2max), but the effects of various training parameters on the magnitude of the improvement remain unknown. The present meta-analysis examined the modifying effect of the number of sprint repetitions in an SITsession on improvements in V˙ O2max. Methods: The databases PubMed and Web of Science were searched for original studies that have examined pre- and posttraining V˙ O2max in adults after Q2 wk of training consisting of repeated (Q2) Wingate-type cycle sprints, published up to May 1, 2016. Articles were excluded if they were not in English; if they involved patients, athletes, or participants with a mean baseline V˙ O2max of 955 mLIkgj1 Iminj1 or a mean age G18 yr; and if an SIT trial was combined with another intervention or used intervals shorter than 10 s. A total of 38 SIT trials from 34 studies were included in the meta-analysis. Probabilistic magnitude-based inferences were made to interpret the outcome of the analysis. Results: The meta-analysis revealed a likely large effect of a typical SIT intervention on V˙ O2max (mean T 90% confidence limits = 7.8% T 4.0%) with a possibly small modifying effect of the maximum number of sprint repetitions in a training session (j1.2% T 0.8% decrease per two additional sprint repetitions). Apart from possibly small effects of baseline V˙ O2max and age, all other modifying effects were unclear or trivial. Conclusion: We conclude that the improvement in V˙ O2max with SIT is not attenuated with fewer sprint repetitions, and possibly even enhanced. This means that SIT protocols can be made more time efficient, which may help SIT to be developed into a viable strategy to impact public health.
published_date 2017-06-01T08:08:17Z
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