Effects of Repeated-Sprint Training in Hypoxia on Sea-Level Performance : A Meta-Analysis
BACKGROUND: Repeated-sprint training in hypoxia (RSH) is a recent intervention regarding which numerous studies have reported effects on sea-level physical performance outcomes that are debated. No previous study has performed a meta-analysis of the effects of RSH.
OBJECTIVE: We systematically reviewed the literature and meta-analyzed the effects of RSH versus repeated-sprint training in normoxia (RSN) on key components of sea-level physical performance, i.e., best and mean (all sprint) performance during repeated-sprint exercise and aerobic capacity (i.e., maximal oxygen uptake [[Formula: see text]]).
METHODS: The PubMed/MEDLINE, SportDiscus®, ProQuest, and Web of Science online databases were searched for original articles-published up to July 2016-assessing changes in physical performance following RSH and RSN. The meta-analysis was conducted to determine the standardized mean difference (SMD) between the effects of RSH and RSN on sea-level performance outcomes.
RESULTS: After systematic review, nine controlled studies were selected, including a total of 202 individuals (mean age 22.6 ± 6.1 years; 180 males). After data pooling, mean performance during repeated sprints (SMD = 0.46, 95% confidence interval [CI] -0.02 to 0.93; P = 0.05) was further enhanced with RSH when compared with RSN. Although non-significant, additional benefits were also observed for best repeated-sprint performance (SMD = 0.31, 95% CI -0.03 to 0.89; P = 0.30) and [Formula: see text] (SMD = 0.18, 95% CI -0.25 to 0.61; P = 0.41).
CONCLUSION: Based on current scientific literature, RSH induces greater improvement for mean repeated-sprint performance during sea-level repeated sprinting than RSN. The additional benefit observed for best repeated-sprint performance and [Formula: see text] for RSH versus RSN was not significantly different.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:47 |
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| Enthalten in: |
Sports medicine (Auckland, N.Z.) - 47(2017), 8 vom: 28. Aug., Seite 1651-1660 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Brocherie, Franck [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 18.06.2018 Date Revised 02.12.2018 published: Print Citation Status MEDLINE |
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| doi: |
10.1007/s40279-017-0685-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM268932034 |
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| 520 | |a BACKGROUND: Repeated-sprint training in hypoxia (RSH) is a recent intervention regarding which numerous studies have reported effects on sea-level physical performance outcomes that are debated. No previous study has performed a meta-analysis of the effects of RSH | ||
| 520 | |a OBJECTIVE: We systematically reviewed the literature and meta-analyzed the effects of RSH versus repeated-sprint training in normoxia (RSN) on key components of sea-level physical performance, i.e., best and mean (all sprint) performance during repeated-sprint exercise and aerobic capacity (i.e., maximal oxygen uptake [[Formula: see text]]) | ||
| 520 | |a METHODS: The PubMed/MEDLINE, SportDiscus®, ProQuest, and Web of Science online databases were searched for original articles-published up to July 2016-assessing changes in physical performance following RSH and RSN. The meta-analysis was conducted to determine the standardized mean difference (SMD) between the effects of RSH and RSN on sea-level performance outcomes | ||
| 520 | |a RESULTS: After systematic review, nine controlled studies were selected, including a total of 202 individuals (mean age 22.6 ± 6.1 years; 180 males). After data pooling, mean performance during repeated sprints (SMD = 0.46, 95% confidence interval [CI] -0.02 to 0.93; P = 0.05) was further enhanced with RSH when compared with RSN. Although non-significant, additional benefits were also observed for best repeated-sprint performance (SMD = 0.31, 95% CI -0.03 to 0.89; P = 0.30) and [Formula: see text] (SMD = 0.18, 95% CI -0.25 to 0.61; P = 0.41) | ||
| 520 | |a CONCLUSION: Based on current scientific literature, RSH induces greater improvement for mean repeated-sprint performance during sea-level repeated sprinting than RSN. The additional benefit observed for best repeated-sprint performance and [Formula: see text] for RSH versus RSN was not significantly different | ||
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| 700 | 1 | |a Millet, Grégoire P |e verfasserin |4 aut | |
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