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Understanding Personalized Training Responses: Can Genetic Assessment Help?

Author

Listed:
  • Craig Pickering

    (Institute of Coaching and Performance, University of Central Lancashire, Preston, UK
    Exercise and Nutritional Genomics Research Centre, DNAFit Ltd, London, UK)

  • John Kiely

    (Institute of Coaching and Performance, University of Central Lancashire, Preston, UK)

Abstract

Background : Traditional exercise prescription is based on the assumption that exercise adaptation is predictable and standardised across individuals. However, evidence has emerged in the past two decades demonstrating that large inter-individual variation exists regarding the magnitude and direction of adaption following exercise. Objective : The aim of this paper was to discuss the key factors influencing this personalized response to exercise in a narrative review format. Findings : Genetic variation contributes significantly to the personalized training response, with specific polymorphisms associated with differences in exercise adaptation. These polymorphisms exist in a number of pathways controlling exercise adaptation. Environmental factors such as nutrition, psycho-emotional response, individual history and training programme design also modify the inter-individual adaptation following training. Within the emerging field of epigenetics, DNA methylation, histone modifications and non-coding RNA allow environmental and lifestyle factors to impact genetic expression. These epigenetic mechanisms are themselves modified by genetic and non-genetic factors, illustrating the complex interplay between variables in determining the adaptive response. Given that genetic factors are such a fundamental modulator of the inter-individual response to exercise, genetic testing may provide a useful and affordable addition to those looking to maximise exercise adaption, including elite athletes. However, there are ethical issues regarding the use of genetic tests, and further work is needed to provide evidence based guidelines for their use. Conclusion : There is considerable inter-individual variation in the adaptive response to exercise. Genetic assessments may provide an additional layer of information allowing personalization of training programmes to an individual’s unique biology.

Suggested Citation

  • Craig Pickering & John Kiely, 2017. "Understanding Personalized Training Responses: Can Genetic Assessment Help?," The Open Sports Sciences Journal, Bentham Open, vol. 10(1), pages 191-213, November.
    • Handle: RePEc:ben:tospsj:v:10:y:2017:i:1:p:191-213
    DOI: 10.2174/1875399X01710010191
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    References listed on IDEAS

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    1. Eric J. Nestler, 2012. "Stress makes its molecular mark," Nature, Nature, vol. 490(7419), pages 171-172, October.
    2. Carina Dennis, 2005. "Rugby team converts to give gene tests a try," Nature, Nature, vol. 434(7031), pages 260-260, March.
    3. Fang Ma & Yu Yang & Xiangwei Li & Feng Zhou & Cong Gao & Mufei Li & Lei Gao, 2013. "The Association of Sport Performance with ACE and ACTN3 Genetic Polymorphisms: A Systematic Review and Meta-Analysis," PLOS ONE, Public Library of Science, vol. 8(1), pages 1-9, January.
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    Cited by:

    1. Leticia Borfe & Caroline Brand & Letícia de Borba Schneiders & Jorge Mota & Claudia Regina Cavaglieri & Neiva Leite & Jane Dagmar Pollo Renner & Cézane Priscila Reuter & Anelise Reis Gaya, 2021. "Effects and Responsiveness of a Multicomponent Intervention on Body Composition, Physical Fitness, and Leptin in Overweight/Obese Adolescents," IJERPH, MDPI, vol. 18(14), pages 1-14, July.

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