The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.
Serum and Saliva Cortisol Responses and Blood Lactate Accumulation during Incremental Exercise Testing
Abstract
In six male physically active subjects the adrenocortical and metabolic changes in response to incremental exercise testing were investigated. Blood and saliva samples were taken at rest, at the end of every workload (duration 4 min with 50 W increment), immediately and 10 min after 1 min all out spurt on the electrically braked cycle ergometer. Both saliva and serum cortisol were measured as well as blood lactate. The cortisol response in serum and in saliva showed similar dynamics (r = 0.86, p less than 0.001, n = 50) at submaximal work. At maximal work the serum cortisol concentration showed a transitory decrease, which was not manifested in saliva. It is hypothesized that a factor related to the metabolic acidosis masks the actual adrenocortical response in the serum but not in saliva. Correlation analysis revealed a positive relation between lactate and cortisol in serum (r = 0.56, p less than 0.01, n = 50) and saliva (r = 0.70, p less than 0.01, n = 50). Apparently, salivary cortisol closely reflects plasma free cortisol level, presenting advantage over total cortisol measurements. Moreover salivary measurement will permit studies in their authentic settings and should assist attempts to understand the nature of the adrenocortical function in exercise.
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“Cortisol has been measured in human blood,106 serum,107 urine,107 saliva,107,108 hair,109 interstitial fluid,110 and most recently eccrine sweat.111”
From Wearable sensors for monitoring the physiological and biochemical profile of the athlete (2019) · cites this paper as [106]
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Wearable sensors for monitoring the physiological and biochemical profile of the athlete
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Saliva Composition and Exercise
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Metadata
- Authors
- Port, K.
- Corresponding author
- Port, K.
- ORCID
- Port, K.
- Venue
- International Journal of Sports Medicine
- Publisher
- Georg Thieme Verlag KG
- Published
- 1991-10
- Volume
- 12
- Issue
- 05
- Pages
- 490-494
- ISSN
- 0172-4622 (ISSN-L)
- 1439-3964
- OpenAlex
- W2043879295
- Cited by
- 105
- References
- 22
- Citations by year
- 2025: 1 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 2 · 2020: 2 · 2019: 7 · 2018: 1 · 2017: 4 · 2016: 3 · 2015: 1 · 2014: 7 · 2013: 5 · 2012: 5
- FWCI
- 0.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Sports Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
- Health Sciences › Medicine › Physiology (medical) › Cardiovascular and exercise physiology
- Keywords
- salivary cortisol, serum cortisol, blood lactate, incremental exercise, adrenocortical response, metabolic acidosis, free cortisol, exercise metabolism, cycle ergometer
- MeSH terms
- Acidosis, Analysis of Variance, Exercise Test, Humans, Hydrocortisone, Lactates, Male, Pituitary-Adrenal System, Running, Saliva, Exercise
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