Moderate and vigorous physical activity attenuate arterial stiffening already in children

Arterial stiffening predisposes to heart diseases, but physical activity reduces the risk
Stiffened arteries are one of the first signs of increased risk of cardiovascular diseases, and stiffening of the arteries has been observed even in children. High levels of physical activity, reduced sedentary time and good physical fitness form the basis for prevention of cardiovascular diseases in adulthood, but little is known about their role in promoting arterial health in primary school children.
“Our study showed that increased levels of moderate and vigorous physical activity were linked to more elastic arteries and better dilatation capacity,” says Dr. Eero Haapala from the Faculty of Sport and Health Sciences at the Ģֱ. “However, our results also suggest that the positive effects of moderate and vigorous physical activity on arterial health are partly explained by their positive effects on body composition.”
Moderate and vigorous physical activity are important for cardiovascular health
The researchers found the healthiest arteries in children with the highest levels of moderate and vigorous physical activity, but similar associations were not observed with sedentary time or light intensity activity.
“The key message of our study is that, starting from childhood, increasing moderate and vigorous physical activity is central in the prevention of cardiovascular diseases,” says Haapala. “However, it is worth remembering that every step is important, because reducing sedentary time and increasing light physical activity have various health effects, even though they may not have direct effects on the arteries.”
The study investigated the association of physical activity, sedentary time, and aerobic fitness and changes in them over 2-year follow-up with arterial stiffness and dilatation capacity in 245 children aged 6 to 8 years at the beginning of the study. Physical activity was measured using a combined heart rate and movement monitor and arterial stiffness and dilatation capacity using pulse contour analysis. Body composition was measured using a DXA device.
Article information:
Korhonen M, Väistö J, Veijalainen A, Leppänen M, Ekelund U, Laukkanen JA, Brage S, Lintu N, Haapala EA, Lakka TA. Journal of Sports Sciences 2021.
For more information:
Eero Haapala, PhD, Sports & Exercise Medicine, Faculty of Sport and Health Sciences, Ģֱ. tel. +358408054210, eero.a.haapala@jyu.fi, Twitter: @EeroHaapala, Instagram: @eero_haapala