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Articles by Gregory Knell
Differences in American Adolescent Sport Participation During the COVID-19 Pandemic by Learning Mode: A National Survey
Abstract This study aimed to examine the relation between learning mode with sport participation and compare participation prevalence in different settings by learning mode among United States adolescents during the COVID-19 pandemic. A cross-sectional, national survey was conducted by a market research company (December 2021-January 2022) among parents whose child participated in sports pre-pandemic.
Association of Parkinson’s Disease Status With Accelerometer-Derived Physical Activity and Sedentary Behavior in Older Women: The Women’s Health Study (WHS))
Abstract Evidence suggests that individuals diagnosed with Parkinson's Disease (PD) spend less time in moderate-to-vigorous intensity physical activity (MVPA) compared to those without PD. However, prior studies primarily included men and did not consider movement across the entire intensity spectrum.
Need to Clarify Mechanisms Explaining the Effect of Screen Time on Recovery From Concussion
Comment & Response December 13, 2021 JAMA Pediatr. 2022;176(3):321. doi:10.1001/jamapediatrics.2021.5339 Original Investigation Effect of Screen Time on Recovery From Concussion Theodore Macnow, MD; Tess Curran, MD, MPH; Courtney Tolliday, MD; Kirsti Martin, MD; Madeline McCarthy, MD, MS; Didem Ayturk, MS; Kavita M.
COVID-19 related employment change is associated with increased alcohol consumption during the pandemic
Sitara M. Weerakoona Department of Epidemiology, Human Genetics, and Environmental Sciences, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA;b Center for Pediatric Population Health, The University of Texas Health Science Center at Houston (UTHealth) and Children’s Health System of Texas, Dallas, TX, USACorrespondenceSitara.M.Weerakoon@uth.tmc.edu Katelyn K.
Evaluation of the vestibular and ocular motor screening (VOMS) as a prognostic tool for protracted recovery following paediatric sports-related concussion
Evaluation of the vestibular and ocular motor screening (VOMS) as a prognostic tool for protracted recovery following paediatric sports-related concussion http://orcid.org/0000-0002-5067-544XGregory Knell1,2,3, Todd Caze3,4, Scott O Burkhart3 1Center for Pedatric Population Health, Children's Health System of Texas and University of Texas Health Science Center at Houston, Dallas, TX, USA 2Epidemiology, Human Genetics, and Environmental Sciences, University of Texas Health Science Center at...
Prevalence and Likelihood of Meeting Sleep, Physical Activity, and Screen-Time Guidelines Among US Youth
Sleep, physical activity, and screen-time behaviors among adolescents are risk factors for physical health (eg, obesity), mental and emotional health, behavioral outcomes (eg, tobacco use), and performance-based outcomes (eg, academic achievement).1-3 Accordingly, it is recommended that children (age 6-12 years) sleep 9 to 12 hours and adolescents (age 14-18 years) sleep 8 to 10 hours a night and that both groups accumulate at least 1 hour of moderate-intensity or vigorous-intensity aerobic...
Foot-based audit of streets adjacent to new light rail stations in Houston, Texas: measurement of health-related characteristics of the built environment for physical activity research
Abiodun O. Oluyomi1, 3Email authorView ORCID ID profile, Gregory Knell2, 3, Casey P. Durand2, 3, Clara Mercader2, Deborah Salvo3, 4, 5, Ipek N. Sener6, Kelley Pettee Gabriel3, 4, 7, Deanna M. Hoelscher2, 8 and Harold W. Kohl3, 4, 9 BMC Public Health201919:238 https://doi.org/10.1186/s12889-019-6560-4 © The Author(s).
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