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Physical fitness is the ability to perform activities of daily living without excessive fatigue. The potential protective role of fitness against high blood pressure in childhood is relevant to diminish the risk of hypertension in adulthood. A negative association between cardiorespiratory fitness (CRF) and hypertension has been found in the pediatric population. However, the role of body mass as a confounding variable of this association has not been evaluated. This study aimed to analyze whether the association between fitness and blood pressure in Mexican schoolchildren is independent of body mass.

Differences in blood pressure according to physical fitness and body mass in a sample of Mexican schoolchildren