INTENSIVE DISTANCE TRAINING DOES NOT INTERFERE WITH NORMAL GROWTH
Eisenmann, J. C., & Malina, R. M. (2002). Growth status and estimated growth rate of young distance runners. International Journal of Sports Medicine, 23, 168-173.
Male and female distance runners (initial ages 8-15.1 yr) were tested annually. After 4-5 years, assessments of growth patterns and features were made on males (N = 20) and females (N = 16). Runners' growth was compared to published US norms.
Most features hovered around the normal values for adolescents. It was concluded that intensive endurance training during childhood and adolescence did not influence size attained and rate of growth in stature or body mass.
Implication. Intensive endurance training does not disrupt normal growth in children or adolescents.
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