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Springham M, Williams S, Waldron M, et al. Summated training and match load predictors of salivary immunoglobulin-A, alpha-amylase, testosterone, cortisol and T:C profile changes in elite-level professional football players: A longitudinal analysis. Eur J Sport Sci. 2021;1-11doi: 10.1080/17461391.2021.1949638.
Springham, M., Williams, S., Waldron, M., Mclellan, C., & Newton, R. U. (2021). Summated training and match load predictors of salivary immunoglobulin-A, alpha-amylase, testosterone, cortisol and T:C profile changes in elite-level professional football players: A longitudinal analysis. European journal of sport science, 1-11. https://doi.org/10.1080/17461391.2021.1949638
Springham, Matthew, et al. "Summated training and match load predictors of salivary immunoglobulin-A, alpha-amylase, testosterone, cortisol and T:C profile changes in elite-level professional football players: A longitudinal analysis." European journal of sport science vol. (2021): 1-11. doi: https://doi.org/10.1080/17461391.2021.1949638
Springham M, Williams S, Waldron M, Mclellan C, Newton RU. Summated training and match load predictors of salivary immunoglobulin-A, alpha-amylase, testosterone, cortisol and T:C profile changes in elite-level professional football players: A longitudinal analysis. Eur J Sport Sci. 2021 Jul 16;1-11. doi: 10.1080/17461391.2021.1949638. Epub 2021 Jul 16. PMID: 34181509.
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Eur J Sport Sci. 2021 Jul 16;1-11. doi: 10.1080/17461391.2021.1949638. Epub 2021 Jul 16.

Summated training and match load predictors of salivary immunoglobulin-A, alpha-amylase, testosterone, cortisol and T:C profile changes in elite-level professional football players: A longitudinal analysis.

European journal of sport science

Matthew Springham, Sean Williams, Mark Waldron, Chris Mclellan, Robert U Newton

Affiliations

  1. Faculty of Sport, Health and Applied Science, St Marys University, London, UK.
  2. School of Medical and Health Sciences, Edith Cowan University, Joondalup, Australia.
  3. Department for Health, University of Bath, Bath, UK.
  4. College of Engineering, Swansea University, Swansea, UK.
  5. School of Science and Technology, University of New England, NSW, Armidale, Australia.
  6. School of Health and Wellbeing, University of Southern Queensland, Toowoomba, Australia.

PMID: 34181509 DOI: 10.1080/17461391.2021.1949638

Abstract

We examined how summated training and match load measures relate to salivary immunological and hormonal profile changes in professional football players. Data were collected from 18 elite-level professional male football players from one English Championship team across a complete 40 wk competitive season. Daily training (micro-technology) and match (computerised tracking) measures of total, high-speed and high-metabolic load running distance and sprint, acceleration, deceleration and sRPE load were converted into exponentially weighted moving average "acute" (7d), "chronic" (28d) and acute:chronic composite load measures. Bi-weekly morning saliva samples were analysed for immunoglobulin-A, alpha-amylase, testosterone, cortisol and testosterone:cortisol. A two-stage data reduction technique using partial least squares modelling and a backward stepwise selection procedure determined the most parsimonious model for each salivary variable. Testosterone had non-linear relationships with chronic total (

Keywords: Football; endocrinology; immunology; monitoring; saliva; stress

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