Mittuniversitetet

miun.sePublikationer
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Influence of Hypoxic Interval Training and Hyperoxic Recovery on Muscle Activation and Oxygenation in Connection with Double-Poling Exercise
Univ Wurzburg, Dept Sport Sci, D-97070 Wurzburg, Germany.;Mid Sweden Univ, Dept Hlth Sci, Swedish Winter Sports Res Ctr, Ostersund, Sweden..
Swiss Fed Inst Sport, Sect Elite Sport, Magglingen, Switzerland..
Univ Wurzburg, Dept Sport Sci, D-97070 Wurzburg, Germany..
Swiss Fed Inst Sport, Sect Elite Sport, Magglingen, Switzerland..
Visa övriga samt affilieringar
2015 (Engelska)Ingår i: PLOS ONE, E-ISSN 1932-6203, Vol. 10, nr 10, artikel-id e0140616Artikel i tidskrift (Refereegranskat) Published
Resurstyp
Text
Abstract [en]

Here, we evaluated the influence of breathing oxygen at different partial pressures during recovery from exercise on performance at sea-level and a simulated altitude of 1800 m, as reflected in activation of different upper body muscles, and oxygenation of the m. triceps brachii. Ten well-trained, male endurance athletes (25.3 +/- 4.1 yrs; 179.2 +/- 4.5 cm; 74.2 +/- 3.4 kg) performed four test trials, each involving three 3-min sessions on a double-poling ergometer with 3-min intervals of recovery. One trial was conducted entirely under normoxic (No) and another under hypoxic conditions (Ho; FiO2 = 0.165). In the third and fourth trials, the exercise was performed in normoxia and hypoxia, respectively, with hyperoxic recovery (HOX; FiO2 = 1.00) in both cases. Arterial hemoglobin saturation was higher under the two HOX conditions than without HOX (p<0.05). Integrated muscle electrical activity was not influenced by the oxygen content (best d = 0.51). Furthermore, the only difference in tissue saturation index measured via near-infrared spectroscopy observed was between the recovery periods during the NoNo and HoHOX interventions (P<0.05, d = 0.93). In the case of HoHo the athletes' P-mean declined from the first to the third interval (P < 0.05), whereas P-mean was unaltered under the HoHOX, NoHOX and NoNo conditions. We conclude that the less pronounced decline in P-mean during 3 x 3-min double-poling sprints in normoxia and hypoxia with hyperoxic recovery is not related to changes inmuscle activity or oxygenation. Moreover, we conclude that hyperoxia (FiO2 = 1.00) used in conjunction with hypoxic or normoxic work intervals may serve as an effective aid when inhaled during the subsequent recovery intervals.

Ort, förlag, år, upplaga, sidor
2015. Vol. 10, nr 10, artikel-id e0140616
Nationell ämneskategori
Idrottsvetenskap
Identifikatorer
URN: urn:nbn:se:miun:diva-26570DOI: 10.1371/journal.pone.0140616ISI: 000363184600086PubMedID: 26468885Scopus ID: 2-s2.0-84949058109OAI: oai:DiVA.org:miun-26570DiVA, id: diva2:883436
Tillgänglig från: 2015-12-17 Skapad: 2015-12-17 Senast uppdaterad: 2021-06-14Bibliografiskt granskad

Open Access i DiVA

fulltext(398 kB)774 nedladdningar
Filinformation
Filnamn FULLTEXT01.pdfFilstorlek 398 kBChecksumma SHA-512
8f621af58bb5ae9022673364188cdbbde67c21e9c0004ce92ce6f61aba84ce03643984b2f361b7a8cb755c0e2ac9e522178e9a8d07af0d03f0e16f8efd9e3349
Typ fulltextMimetyp application/pdf

Övriga länkar

Förlagets fulltextPubMedScopus

Person

Holmberg, Hans-ChristerSperlich, Billy

Sök vidare i DiVA

Av författaren/redaktören
Holmberg, Hans-ChristerSperlich, Billy
Av organisationen
Avdelningen för hälsovetenskap
I samma tidskrift
PLOS ONE
Idrottsvetenskap

Sök vidare utanför DiVA

GoogleGoogle Scholar
Totalt: 774 nedladdningar
Antalet nedladdningar är summan av nedladdningar för alla fulltexter. Det kan inkludera t.ex tidigare versioner som nu inte längre är tillgängliga.

doi
pubmed
urn-nbn

Altmetricpoäng

doi
pubmed
urn-nbn
Totalt: 534 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf