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  • Author: Joey C. Eisenmann x
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Mark A. Sarzynski, Joey C. Eisenmann, Gregory J. Welk, Jared Tucker, Kim Glenn, Max Rothschild and Kate Heelan

The present study examined the association between the angiotensin converting enzyme (ACE) insertion/deletion (I/D) polymorphism, physical activity, and resting blood pressure (BP) in a sample of 132 children (48.4% female). Children attaining 60 min/day of moderate-to-vigorous physical activity (MVPA) possessed lower % body fat (29% vs 24%, p < .05). Resting BP did not significantly differ between genotypes. Furthermore, partial correlations between MVPA and BP were low and did not vary by ACE genotype. Thus, the ACE I/D genotype is not associated with BP and does not modify the relationship between physical activity and BP in this sample of children.

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Joey C. Eisenmann, Peter T. Katzmarzyk, Germain Thériault, Thomas M.K. Song, Robert M. Malina and Claude Bouchard

The relationship between habitual physical activity and pulmonary function were considered in 424 boys and 366 girls, 9–18 years of age. Indicators of habitual physical activity were assessed using a 3-day activity diary and included estimated daily energy expenditure (EE) and time spent in moderate-to-vigorous physical activity (MVPA) (METs ≥ 4.8). Pulmonary function was measured according to standard procedures. Relationships were examined with partial correlations and ANCOVA, comparing the highest and lowest quartiles of EE and MVPA. When age and stature are statistically controlled, relationships between EE, MVPA, and pulmonary function was generally low and not significant, with the exception of FEV1% in 16–18-year-old girls (r ≤ −0.28). Youth in the highest and lowest quartiles of EE and MVPA do not differ in pulmonary function, except for PEER in 9–12-year-old boys, and FEV1% in 16–18-year-old boys, which are slightly greater (1–3%) in the less active group. These findings indicate that lung volumes, capacities, and flow rates are not consistently related to estimated habitual physical activity in a general, free-living population of youth.

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Heather Hayes Betz, Joey C. Eisenmann, Kelly R. Laurson, Katrina D. DuBose, Mathew J. Reeves, Joseph J. Carlson and Karin A. Pfeiffer

Purpose: The objective of this study was to examine the independent and combined association of physical activity and body mass index (BMI) with blood pressure in youth. Methods: Youth aged 8–18 years from the 2003–2006 National Health and Nutrition Examination Survey (NHANES) with BMI, blood pressure, and physical activity (accelerometer) were included in the analyses. A total of 2585 subjects (1303 males; 47% of all 8- to 18-year-olds) met these criteria. Results: Obese youth had a systolic blood pressure that was 8 mm Hg higher than normal weight youth. A significant interaction between BMI and physical activity on blood pressure was found (P < .001), and group differences among the BMI/activity groups showed that the 3 obese groups and the overweight/least active group had significantly higher systolic blood pressure than the normal weight/active group across all analyses. The overweight/least active and normal weight/least active groups had significantly higher diastolic blood pressure than the normal weight/active group as well. Conclusions: This study showed a significant independent and combined association of BMI and physical activity with blood pressure in youth. Interventions need to focus on the reduction of fatness/BMI as a way to reduce the cardiovascular risk in youth.

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Kara N. Dentro, Kim Beals, Scott E. Crouter, Joey C. Eisenmann, Thomas L. McKenzie, Russell R. Pate, Brian E. Saelens, Susan B. Sisson, Donna Spruijt-Metz, Melinda S. Sothern and Peter T. Katzmarzyk


The National Physical Activity Plan Alliance partnered with physical activity experts to develop a report card that provides a comprehensive assessment of physical activity among United States children and youth.


The 2014 U.S. Report Card on Physical Activity for Children and Youth includes 10 indicators: overall physical activity levels, sedentary behaviors, active transportation, organized sport participation, active play, health-related fitness, family and peers, school, community and the built environment, and government strategies and investments. Data from nationally representative surveys were used to provide a comprehensive evaluation of the physical activity indicators. The Committee used the best available data source to grade the indicators using a standard rubric.


Approximately one-quarter of children and youth 6 to 15 years of age were at least moderately active for 60 min/day on at least 5 days per week. The prevalence was lower among youth compared with younger children, resulting in a grade of D- for overall physical activity levels. Five of the remaining 9 indicators received grades ranging from B- to F, whereas there was insufficient data to grade 4 indicators, highlighting the need for more research in some areas.


Physical activity levels among U.S. children and youth are low and sedentary behavior is high, suggesting that current infrastructure, policies, programs, and investments in support of children’s physical activity are not sufficient.