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January 29, 2024Open Access

Acute psycho-physiological responses to submaximal constant-load cycling under intermittent hypoxia-hyperoxia vs. hypoxia-normoxia in young males

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Why the study?

Hypoxia and hyperoxia affect psycho-physiological responses to exercise, and recording perceptual responses is important for understanding adherence to physical activity.

Does intermittent hypoxia-hyperoxia during submaximal cycling improve perceptual and physiological responses compared to hypoxia-normoxia in young healthy males?

Population

Young recreational active healthy males

Comparison

Intermittent hypoxia-hyperoxia vs intermittent hypoxia-normoxia vs sustained normoxia during cycling

Follow-up

40 min

Authors

TBTom BehrendtCenter for Economic and Policy ResearchRBRobert BielitzkiUniversität HamburgMBMartin BehrensHTW Berlin - University of Applied Sciences

Discussion

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Member takes

Implication

No perceptual changes despite lower physiological stress in healthy males; leaves open clinical translation and long-term training effects.

Structured PICO

Does intermittent hypoxia-hyperoxia during submaximal cycling improve perceptual and physiological responses compared to hypoxia-normoxia in young healthy males?

P
Population
Young recreational active healthy males
I
Intervention
40 min constant-load cycling (60% peak oxygen uptake) under intermittent hypoxia-hyperoxia (IHHT)
C
Comparator
40 min constant-load cycling under intermittent hypoxia-normoxia (IHT) and sustained normoxia (NOR)
O
Outcome
Acute perceptual responses (perceived motor fatigue, effort perception, perceived physical strain, affective valence, arousal, motivation to exercise, conflict to continue exercise, and activity enjoyment) and physiological responses (heart rate, capillary blood lactate concentration, peripheral blood oxygenation, total tissue and oxygenated haemoglobin concentration)patient reported

Replacing normoxic with hyperoxic reoxygenation periods during submaximal cycling under intermittent hypoxia reduces physiological stress but does not alter perceptual responses in young healthy males.

Cite This Study

Behrendt et al. (2024) studied this question.

synapsesocial.com/papers/6a1fc5b44cfeaf0c1adf6115https://doi.org/10.21203/rs.3.rs-3786050/v1
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Also Consider

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

  1. 1Adenosine contributes to hypoxia-induced forearm vasodilation in humans1999 · 79 citations
  2. 2Physiological Responses to Two Hypoxic Conditioning Strategies in Healthy Subjects2017 · 32 citations
  3. 3Regulation of glycogen phosphorylase and PDH during exercise in human skeletal muscle during hypoxia2000 · 89 citations
  4. 4Limitation of Maximal Heart Rate in Hypoxia: Mechanisms and Clinical Importance2018 · 65 citations
  5. 5Therapeutic potential of intermittent hypoxia: a matter of dose2014 · 480 citations