I1. Zur Methodik der Respiratorischen Quotient‐Bestimmungen in Ruhe und bei Arbeit2
Open accessAbstract
~~~ .Zuverlassige Bestimmungen des respiratorischen Gaswechsels beim Menschen konnen im Laboratorium und in der Klinik v m groWt mer Bedeutung sein.Bei ungeubten Vpn.mu13 man sich in der Regel rnit Bestimmung d'er 0,-Aufnahme allein begnugen, da die i m Stoffwechselversuch gemcssene C 0 , -A u s s c h e i d u n g oft einen so schlechten Ausdruck fur die gleichzeitige C 0 , -P r o d u k t i o n gibt, daD eine sichere Deutung der Versuchsresultate nicht moglich ist.Aber auch Resultate aus Versuchen mit geubten Vpn.konnen bei unkontrollierten V'ersuchsbedingungen mit bedeutenden Fehlern behaftet sein.Im Folgenden haben wir uns die Aufgabe gestellt, einige dieser Fehlermoglichkeiten rnit spezieller Rucksicht auf Bestimmungen bei Arbeit nachzuweisen und zu diskutieren.Respiratorische hderungen als Folge der Apparatur a) xSchadlicher<( Raum Bei dem Helmverfahren sowie in allen Kammerversuchen ist die C0,-Spannung der Inspirationsluft den Normalwerten gegeniiber 17481716a,
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The reliance on carbohydrate over fats increases exponentially with exercise intensity, measured by analysis of respiratory quotient.
“The reliance on this substrate over fats increases exponentially with exercise intensity, measured by analysis of respiratory quotient [15].”
From Regulation of Energy Substrate Metabolism in Endurance Exercise (2021) · cites this paper as [15]
The Discussion (page unavailable in our copy) says respiratory-quotient measurements can help identify the metabolic processes characteristic of a given exercise intensity, particularly under steady-state conditions. It does not report that reliance on carbohydrate rather than fat increases exponentially with intensity; it also cautions that respiratory-quotient readings can be misleading during exercise. (LLM, conf=0.83)
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Cites
The Relative Value of Fat and Carbohydrate as Sources of Muscular Energy
Krogh, A., & Lindhard, J. (1920) · Biochemical Journal · doi:10.1042/bj0140290 · Cited by 411 · see citing works
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Research works printed but not linked: 4
- Beje, O., Ebenda, 1935, 71, 61.
- Hansen, 0. und A. Krogh, Ebendu, 1935, 71, 221.
- Krogh, A., und J. Lindhard, Biochem.1. 1920, 14, 290.
- 17481716a, 1939, 1, Downloaded from https://onlinelibrary.wiley.com/doi/10.1111/j.1748-1716.1939.tb01318.x, Wiley Online Library on [01/09/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License
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Muscle Glycogen during Prolonged Severe Exercise
Hermansen, L., Hultman, E., & Saltin, B. (1967) · Acta Physiologica Scandinavica · doi:10.1111/j.1748-1716.1967.tb03719.x · Cited by 752 · see citing works
Effects of elevated plasma FFA and insulin on muscle glycogen usage during exercise
Costill, D. L., Coyle, E., Dalsky, G., Evans, W., Fink, W., & Hoopes, D. (1977) · Journal of Applied Physiology · doi:10.1152/jappl.1977.43.4.695 · Cited by 471 · see citing works
A Study of the Glycogen Metabolism during Exercise in Man
Bergström, J., & Hultman, E. (1967) · Scandinavian Journal of Clinical and Laboratory Investigation · doi:10.3109/00365516709090629 · Cited by 426 · see citing works
Phinney, S. D., Bistrian, B. R., Evans, W. J., Gervino, E., & Blackburn, G. L. (1983) · Metabolism · doi:10.1016/0026-0495(83)90106-3 · Cited by 422 · see citing works
Muscle Glycogen and Muscle Electrolytes during Prolonged Physical Exercise<sup>1</sup>
Ahlborg, B., Bergström, J., Ekelund, L., & Hultman, E. (1967) · Acta Physiologica Scandinavica · doi:10.1111/j.1748-1716.1967.tb03608.x · Cited by 235 · see citing works
Intramuscular substrate utilization during prolonged exercise
Esséen, B. (1977) · Annals of the New York Academy of Sciences · doi:10.1111/j.1749-6632.1977.tb38183.x · Cited by 133 · see citing works
Ketogenic diets and physical performance
Phinney, S. D. (2004) · Nutrition & Metabolism · doi:10.1186/1743-7075-1-2 · Cited by 122 · see citing works
Regulation of Energy Substrate Metabolism in Endurance Exercise
Alghannam, A. F., Ghaith, M. M., & Alhussain, M. H. (2021) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph18094963 · Cited by 104 · see citing works
- Authors
- Christensen, E. H., & Hansen, O.
- Affiliations
- University of Copenhagen (DK)
- Venue
- Skandinavisches Archiv Für Physiologie
- Publisher
- Wiley
- Published
- 1939-01
- Volume
- 81
- Issue
- 1
- Pages
- 137-151
- ISSN
- 0370-839X (ISSN-L)
- OpenAlex
- W2075065334
- Cited by
- 67
- References
- 1
- Citations by year
- 2025: 1 · 2024: 1 · 2021: 1 · 2015: 5
- FWCI
- 1.94
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Skandinavisches Archiv Für Physiologie (publishedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Biomedical and Chemical Research
- Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
- Health Sciences › Medicine › Physiology › Clinical Laboratory Practices and Quality Control
- Keywords
- respiratory quotient, pulmonary gas exchange, CO2 absorption, CO2 emissions, measurement error, chamber experiments, resting respiration
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