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Active Voice: Fitness, Fatness and Children

from By Timothy Fairchild, Ph.D., FACSM, AEP and Niels Wedderkopp, M.D., Ph.D.

Timothy Fairchild, Ph.D., FACSM, AEP Niels Wedderkopp, M.D., Ph.D.
Viewpoints presented in SMB commentaries reflect opinions of the authors and do not necessarily reflect positions or policies of ACSM.

Timothy Fairchild, Ph.D., FACSM, AEP, is a senior lecturer and researcher in the School of Psychology and Exercise Science at Murdoch University, Perth, Australia. Dr. Fairchild’s research interest is in the management of weight and obesity-related disease through manipulation of diet and exercise. More recently, this interest has expanded into the pediatric population. He has been a member of ACSM since 2005 and is an accredited exercise physiologist with Exercise and Sports Science Australia (ESSA).

Niels Wedderkopp, M.D., Ph.D., is a professor in the faculty of health at the University of Southern Denmark in Odense. Dr. Wedderkopp’s research has primarily been focused on childhood health. He has published widely in the area of metabolic disease risks (obesity and physical activity), as well as on the side effects of sport and physical activity (injuries) in childhood and youth. Dr. Wedderkopp is a certified orthopedic surgeon and daily leader of a sport medicine clinic.

This commentary presents the authors’ views on the topic of a research article which they and professor Andrew Lloyd had published in the October 2016 issue of
Medicine & Science in Sports & Exercise® (MSSE).

Through various information sources, we often are reminded about the increasing weight status and corresponding low levels of physical activity in children. However, the extent of these low physical activity levels is quite alarming, with global estimates showing children achieving only between 22 and 45 minutes of moderate-to-vigorous physical activity (MVPA) per day, which is considerably less than the recommended 60 minutes of daily MVPA. From a health perspective, we have learned from work conducted in adults that physical fitness levels appear to be a more important determinant of cardiovascular or metabolic disease risk than are physical activity levels. Unfortunately for our children, levels of cardiorespiratory fitness (CRF) appear to parallel the reduced physical activity patterns, with fitness trends indicating a decline of around 0.4 percent per year in children between the years 1980 and 2000. Furthermore, this time trend is likely to have extended beyond those years. This combination of low fitness and increasing weight status is clearly not an ideal health prognostic, but we were interested in exploring this relationship a little deeper. more


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