Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.

It was investigated if high-intensity interval training (HIT) at the expense of total training volume improves performance, maximal oxygen uptake and swimming economy. 41 elite swimmers were randomly allocated to a control (CON) or HIT group. For 12 weeks both groups trained ∼12 h per week. HIT comp...

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Autores principales:	Anders Kilen, Tanja Hultengren Larsson, Majke Jørgensen, Lars Johansen, Susanne Jørgensen, Nikolai B Nordsborg
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/43e752f9679f4bda99706250622e9d04
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spelling	oai:doaj.org-article:43e752f9679f4bda99706250622e9d042021-11-18T08:23:10ZEffects of 12 weeks high-intensity & reduced-volume training in elite athletes.1932-620310.1371/journal.pone.0095025https://doaj.org/article/43e752f9679f4bda99706250622e9d042014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24736598/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203It was investigated if high-intensity interval training (HIT) at the expense of total training volume improves performance, maximal oxygen uptake and swimming economy. 41 elite swimmers were randomly allocated to a control (CON) or HIT group. For 12 weeks both groups trained ∼12 h per week. HIT comprised ∼5 h vs. 1 h and total distance was ∼17 km vs. 35 km per week for HIT and CON, respectively. HIT was performed as 6-10×10-30 s maximal effort interspersed by 2-4 minutes of rest. Performance of 100 m all-out freestyle and 200 m freestyle was similar before and after the intervention in both HIT (60.4±4.0 vs. 60.3±4.0 s; n = 13 and 133.2±6.4 vs. 132.6±7.7 s; n = 14) and CON (60.2±3.7 vs. 60.6±3.8 s; n = 15 and 133.5±7.0 vs. 133.3±7.6 s; n = 15). Maximal oxygen uptake during swimming was similar before and after the intervention in both the HIT (4.0±0.9 vs. 3.8±1.0 l O2×min-1; n = 14) and CON (3.8±0.7 vs. 3.8±0.7 l O2×min-1; n = 11) group. Oxygen uptake determined at fixed submaximal speed was not significantly affected in either group by the intervention. Body fat % tended to increase (P = 0.09) in the HIT group (15.4±1.6% vs. 16.3±1.6%; P = 0.09; n = 16) and increased (P<0.05) in the CON group (13.9±1.5% vs. 14.9±1.5%; n = 17). A distance reduction of 50% and a more than doubled HIT amount for 12 weeks did neither improve nor compromise performance or physiological capacity in elite swimmers.Anders KilenTanja Hultengren LarssonMajke JørgensenLars JohansenSusanne JørgensenNikolai B NordsborgPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 4, p e95025 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anders Kilen Tanja Hultengren Larsson Majke Jørgensen Lars Johansen Susanne Jørgensen Nikolai B Nordsborg Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
description	It was investigated if high-intensity interval training (HIT) at the expense of total training volume improves performance, maximal oxygen uptake and swimming economy. 41 elite swimmers were randomly allocated to a control (CON) or HIT group. For 12 weeks both groups trained ∼12 h per week. HIT comprised ∼5 h vs. 1 h and total distance was ∼17 km vs. 35 km per week for HIT and CON, respectively. HIT was performed as 6-10×10-30 s maximal effort interspersed by 2-4 minutes of rest. Performance of 100 m all-out freestyle and 200 m freestyle was similar before and after the intervention in both HIT (60.4±4.0 vs. 60.3±4.0 s; n = 13 and 133.2±6.4 vs. 132.6±7.7 s; n = 14) and CON (60.2±3.7 vs. 60.6±3.8 s; n = 15 and 133.5±7.0 vs. 133.3±7.6 s; n = 15). Maximal oxygen uptake during swimming was similar before and after the intervention in both the HIT (4.0±0.9 vs. 3.8±1.0 l O2×min-1; n = 14) and CON (3.8±0.7 vs. 3.8±0.7 l O2×min-1; n = 11) group. Oxygen uptake determined at fixed submaximal speed was not significantly affected in either group by the intervention. Body fat % tended to increase (P = 0.09) in the HIT group (15.4±1.6% vs. 16.3±1.6%; P = 0.09; n = 16) and increased (P<0.05) in the CON group (13.9±1.5% vs. 14.9±1.5%; n = 17). A distance reduction of 50% and a more than doubled HIT amount for 12 weeks did neither improve nor compromise performance or physiological capacity in elite swimmers.
format	article
author	Anders Kilen Tanja Hultengren Larsson Majke Jørgensen Lars Johansen Susanne Jørgensen Nikolai B Nordsborg
author_facet	Anders Kilen Tanja Hultengren Larsson Majke Jørgensen Lars Johansen Susanne Jørgensen Nikolai B Nordsborg
author_sort	Anders Kilen
title	Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
title_short	Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
title_full	Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
title_fullStr	Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
title_full_unstemmed	Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
title_sort	effects of 12 weeks high-intensity & reduced-volume training in elite athletes.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/43e752f9679f4bda99706250622e9d04
work_keys_str_mv	AT anderskilen effectsof12weekshighintensityreducedvolumetrainingineliteathletes AT tanjahultengrenlarsson effectsof12weekshighintensityreducedvolumetrainingineliteathletes AT majkejørgensen effectsof12weekshighintensityreducedvolumetrainingineliteathletes AT larsjohansen effectsof12weekshighintensityreducedvolumetrainingineliteathletes AT susannejørgensen effectsof12weekshighintensityreducedvolumetrainingineliteathletes AT nikolaibnordsborg effectsof12weekshighintensityreducedvolumetrainingineliteathletes
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Effects of 12 weeks high-intensity & reduced-volume training in elite athletes.

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