Individual variation in the cortisol response to a simulated
Olympic weightlifting competition is related to changes in future
competitive performance

Blair T Crewther; Christian Cook; Joanna Orysiak; Piotr Zmijewski; Zbigniew Obmiński

doi:10.5114/biolsport.2019.81115

eISSN: 2083-1862
ISSN: 0860-021X

Biology of Sport

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2/2019
vol. 36

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abstract:

Original paper

Individual variation in the cortisol response to a simulated Olympic weightlifting competition is related to changes in future competitive performance

Blair T Crewther

¹

,

Christian Cook

^{2, 3, 4}

,

Joanna Orysiak

¹

,

Piotr Zmijewski

¹

,

Zbigniew Obmiński

¹

Institute of Sport – National Research Institute, Warsaw, Poland
Canberra University, Canberra, Australia
School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
A-STEM, Health and Sport Portfolio, School of Engineering, Swansea University, Swansea, UK

Biol Sport. 2019;36(2):133–139

DOI: https://doi.org/10.5114/biolsport.2019.81115

Online publish date: 2019/01/14

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The cortisol (C) and testosterone (T) responses to experimental stress have been linked to sport and health outcomes several days to years later. Here we examined the utility of these biomarkers, taken across a simulated Olympic weightlifting (OWL) competition, as predictors of future competitive performance in young athletes. Seventy junior athletes (46 males, 24 females) participated in a talent identification and development programme that replicated an OWL competition. Performance was indexed by the total load lifted, relative to body mass, with serum changes in C (∆C) and (∆T) concentrations profiled. We identified each athlete’s best performance in real competitions over two subsequent years via online resources. Hierarchical regression was used to predict changes in competitive performance at

keywords:

Individual variation in the cortisol response to a simulated Olympic weightlifting competition is related to changes in future competitive performance

Blair T Crewther 1 , Christian Cook 2, 3, 4 , Joanna Orysiak 1 , Piotr Zmijewski 1 , Zbigniew Obmiński 1

Endocrine, Hypothalamic-pituitary-adrenal axis, Competition simulation, Genetics, Stress

Blair T Crewther

¹

,

Christian Cook

^{2, 3, 4}

,

Joanna Orysiak

¹

,

Piotr Zmijewski

¹

,

Zbigniew Obmiński

¹