Gregory J. Welk
Iowa State University
307 Papers
1.7K Citations
Gregory J. Welk is an academic researcher from Iowa State University. The author has contributed to research in topics: Medicine & Physical fitness. The author has an hindex of 64, co-authored 285 publications. Previous affiliations of Gregory J. Welk include Nationwide Children's Hospital & Mathematica Policy Research.
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Papers
Physical activity in U.S.: adults compliance with the Physical Activity Guidelines for Americans.
TL;DR: In this paper, the authors assess self-reported and objectively measured physical activity among U.S. adults according to the 2008 Physical Activity Guidelines for Americans (PAGA) using Actigraph accelerometers worn for 7 consecutive days.
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•Book
Physical Activity Assessments for Health-Related Research
Gregory J. Welk
- 28 Aug 2002
TL;DR: Methods for assessing physical activity and challenges for research measurement issues for the assessment of physical activity construct validity in physical activity research are presented.
907
•Posted Content
Physical Activity in US Adults Compliance with the Physical Activity Guidelines for Americans
TL;DR: Self-reported and objectively measured physical activity among U.S. adults according to the 2008 Physical Activity Guidelines for Americans (PAGA) was assessed, and physical activity estimates vary substantially depending on whether self-reported or measured via accelerometer.
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Effects of physical activity interventions in youth: Review and synthesis
TL;DR: A review of studies of physical activity in school and community settings among preschool through college-aged persons to determine characteristics and effects of interventions is presented in this article, with a focus on the impact of interventions on children.
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The Youth Physical Activity Promotion Model: A Conceptual Bridge Between Theory and Practice
TL;DR: In this article, a conceptual model of physical activity promotion that is based on the unique developmental, psycho-1ogical, and behavioral characteristics of children is proposed, which adopts a social-ecological framework by acknowledging the input of various personal, social and environmental influences on children's physical activity.
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