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October 1, 2002Ergonomics

Hyperoxia improves maximal exercise with the self-contained breathing apparatus (SCBA)

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Why the study?

Does hyperoxia improve maximal oxygen uptake and power output in males exercising with a self-contained breathing apparatus?

Population

25 males

Comparison

Hyperoxia while breathing from a self-contained… vs Normoxia while breathing from a self-contained…

Design

Other

Authors

NENeil D. EvesUniversity of British ColumbiaSPStewart R. PetersenUniversity of AlbertaRJRichard L. JonesFilm Independent

Discussion

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Implication

Hyperoxia may enhance SCBA exercise capacity; hypothesis-generating and should not yet change practice.

Structured PICO

Does hyperoxia improve maximal oxygen uptake and power output in males exercising with a self-contained breathing apparatus?

P
Population
25 males
I
Intervention
Hyperoxia (40.64 +/- 1.29% O2) while breathing from a self-contained breathing apparatus (SCBA) during a graded exercise test
C
Comparator
Normoxia (20.95 +/- 0.28% O2) while breathing from a self-contained breathing apparatus (SCBA) during a graded exercise test
O
Outcome
Maximal oxygen uptake (VO2max) and maximal power output (POmax)surrogate

Hyperoxia improves maximal oxygen uptake and power output during heavy exercise with a self-contained breathing apparatus, likely by increasing oxygen delivery and decreasing the work of breathing.

Cite This Study

Eves et al. (2002) studied this question.

synapsesocial.com/papers/6a7ca5e36111ec194fa8ad92https://doi.org/10.1080/00140130210159986
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effect of changes in arterial oxygen content on circulation and physical performance1975 · 175 citations
  2. 2Evidence of O<sub>2</sub> supply-dependentV˙<scp>o</scp> <sub>2 max</sub> in the exercise-trained human quadriceps1999 · 233 citations
  3. 3The influence of <i>P</i><sub>a</sub>O<sub>2</sub>, pH and <i>S</i><sub>a</sub>O<sub>2</sub> on maximal oxygen uptake1998 · 74 citations
  4. 4Intense Exercise Impairs the Integrity of the Pulmonary Blood-Gas Barrier in Elite Athletes1997 · 232 citations
  5. 5Respiratory muscle work compromises leg blood flow during maximal exercise1997 · 706 citations