July 17, 2024OxygenOpen Access

Muscular Oxygen Saturation and Hemoglobin Concentration during Freediving: A Case Study

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Authors

DVDario VrdoljakOkanagan University College ŽDŽeljko DujićVascular Medicine NFNikola ForetićUniversity of Split

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Implication

Case study observes discipline-specific muscle oxygen saturation and hemoglobin changes in a trained freediver, highlighting localized vascular responses to concurrent hypoxia.

Key Points

Total hemoglobin concentration increases as muscle oxygen saturation declines during freediving, with nadir desaturation and peak blood volume occurring nearly simultaneously.
Desaturation rates reached a peak of -0.87%/s during bifin diving, whereas sneaking produced the slowest muscle oxygen saturation decrease at -0.29%/s.
Case study assessment of vastus lateralis dynamics highlights transient reductions in the Fahraeus effect, but single-subject data calls for broader physiological verification.

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Vrdoljak et al. (2024) studied this question.

synapsesocial.com/papers/68e60123b6db643587594599 https://doi.org/10.3390/oxygen4030016

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Implication

Case study observes discipline-specific muscle oxygen saturation and hemoglobin changes in a trained freediver, highlighting localized vascular responses to concurrent hypoxia.

Muscular Oxygen Saturation and Hemoglobin Concentration during Freediving: A Case Study

Discussion

Member takes

Implication

Key Points

Cite This Study

Muscular Oxygen Saturation and Hemoglobin Concentration during Freediving: A Case Study

Discussion

Member takes

Implication

Key Points

Cite This Study

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