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Changes in Inflammatory Cytokines and Irisin in Response to High Intensity Swimming in Adolescent versus Adult Male Swimmers
Abstract
Swimming is a popular youth sport that is considered beneficial for cardiovascular fitness. However, the potential inflammatory outcomes of high intensity swimming in younger swimmers are unclear, as is the response of irisin, a myokine released during exercise with anti-inflammatory properties. This study compared the plasma concentrations of interleukins 1-beta (IL-1β), 6 (IL-6), 10 (IL-10), tumor necrosis factor alpha (TNF-α) and irisin in response to intense swimming between adolescent and adult male swimmers. Thirty-two swimmers (16 adolescents, 14 ± 1 years; 16 adults, 21.5 ± 3.1 years) completed a high intensity interval swimming trial. At rest, only TNF-α was higher (33%, p < 0.05) in adolescents compared with adults. There was an overall significant increase in IL-1β from pre- to post-swimming (3% in adolescents, 24% in adults), but no significant interaction. IL-10 significantly increased in both groups (+34% in adolescents, +56% in adults). IL-6 and TNF-α increased significantly (+32% and +26%, respectively) in adults, but not in adolescents (+2% and −9%, respectively). Adults showed a small, but significant decrease in irisin (−5%), with no change in adolescents. The lack of an IL-6, TNF-α and irisin response to intense swimming in adolescent swimmers may suggest a blunted inflammatory and myokine response following high intensity exercise in trained youth.
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“Sanderson et al. (2020) compared the inflammatory response to high-intensity interval training in water among elite swimmers from two different age groups42. Their findings showed that younger, trained swimmers aged 11–15 years exhibited a limited cytokine response (with an increase observed only in IL-10), whereas the adult athletes showed elevated levels of IL-1β, IL-6, IL-10, and tumor necrosis”
From Impact of a single swimming session on inflammatory response and iron homeostasis in adolescent female athletes during the luteal phase (2025) · cites this paper as [42]
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“Sanderson et al. (2020) compared the inflammatory response to high-intensity interval training in water among elite swimmers from two different age groups42. Their findings showed that younger, trained swimmers aged 11–15 years exhibited a limited cytokine response (with an increase observed only in IL-10), whereas the adult athletes showed elevated levels of IL-1β, IL-6, IL-10, and tumor necrosis”
From Impact of a single swimming session on inflammatory response and iron homeostasis in adolescent female athletes during the luteal phase (2025) · cites this paper as Sanderson et al. (2020)
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Pro‐ and anti‐inflammatory cytokine balance in strenuous exercise in humans
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Cited by
Mydłowska, M., Kasperska, A., Cichoń-Woźniak, J., Dziewiecka, H., Ostapiuk-Karolczuk, J., & Skarpańska-Stejnborn, A. (2025) · Scientific Reports · doi:10.1038/s41598-025-29551-9 · Cited by 2
Metadata
- Authors
- Sanderson, M., McKinlay, B. J., Theocharidis, A., Kouvelioti, R., Falk, B., & Klentrou, P.
- Venue
- Sports
- Publisher
- MDPI AG
- Published
- 2020-12-01
- Volume
- 8
- Issue
- 12
- Pages
- 157
- ISSN
- 2075-4663
- Cited by
- 14
- References
- 3
- Language
- en
- Funders
- Natural Sciences and Engineering Research Council of Canada (2015-04424)
- Mitacs (IT08117)
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