Understanding Personalized Training Responses: Can Genetic Assessment Help?

Craig Pickering () and John Kiely
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Craig Pickering: Institute of Coaching and Performance, University of Central Lancashire, Preston, UK
John Kiely: Institute of Coaching and Performance, University of Central Lancashire, Preston, UK

The Open Sports Sciences Journal, 2017, vol. 10, issue 1, 191-213

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.

Keywords: Inter-individual; Exercise; Adaptation; Genetics; Epigenetics; Psycho-emotional; Personalized. (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:ben:tospsj:v:10:y:2017:i:1:p:191-213

DOI: 10.2174/1875399X01710010191

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