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Genetic determinants of sports participation and daily physical activity
1Department of Kinesiology, Faculty of Physical Education and Physiotherapy, K.U. Leuven, Belgium.
Objective:
The purpose is to review the existing literature on genetic determinants of sports participation, daily physical activity (PA) resting metabolic rate (RMR) and activity as a temperamental trait.
Design:
A synthesis will be given of the published material on this topic with special focus on twin and family data, and association and linkage studies.
Measurements:
Self reported sports participation, daily PA, RMR and activity as a temperamental trait.
Analysis:
Transmission and heritability coefficients calculated from twin and family data will be reported.
Results:
The reported heritability coefficients for sports participation vary between 0.35-0.83, and those for daily PA between 0.29-0.62. If one of the parents or co-twins is active in sports, it is more likely that the child or co-twin is also active in sports (odds ratios (ORs) vary from 1.2-5.8). Twin and parent-child correlations for RMR also indicate a moderate genetic effect. At present, only a linkage between RMR and uncoupling protein 2 markers has been demonstrated.
Conclusion:
The genetic determination of sports participation, daily PA and RMR, varies from low to moderately high, and only between the uncoupling protein 2 genetic marker and RMR has a linkage has been demonstrated.