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Editor’s Notes Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-12-29 Craig A. Williams
Journal Name: Pediatric Exercise Science Volume: 36 Issue: 1 Pages: 1-1
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The Effect of Sex, Maturity, and Training Status on Maximal Sprint Performance Kinetics. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-10-27 Adam Runacres,Kelly A Mackintosh,Melitta A McNarry
PURPOSE The development of sprint running during youth has received renewed interest, but questions remain regarding the development of speed in youth, especially the influences of sex, training, and maturity status. METHODS One hundred and forty-seven team sport trained (69 girls; 14.3 [2.1] y) and 113 untrained (64 girls; 13.8 [2.7] y) youth completed two 30-m sprints separated by 2-minute active
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Factors That Influence Physical Activity Behavior in Children and Adolescents During and After Cancer Treatment: A Qualitative Systematic Review of the Literature. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-10-27 Laura Kappelmann,Miriam Götte,Arno Krombholz,Jan Hüter,Britta Fischer
PURPOSE The aim of this systematic review is to reveal the social, personal, and contextual factors that influence physical activity (PA) in children and adolescents during and after cancer treatment. METHOD SPORTDiscus, Cochrane, Web of Science, PubMed, and FIS Education electronic database were systematically searched. RESULTS The 13 included studies show that social support (parents, siblings, and
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Abstracts From the XXXIII Pediatric Work Physiology Conference Hosted by Swansea University (September 2023, Chepstow, Wales) Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-10-23
Journal Name: Pediatric Exercise Science Volume: 35 Issue: S1 Pages: S1-S22
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Editor’s Notes Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-09-28 Craig A. Williams
Journal Name: Pediatric Exercise Science Volume: 35 Issue: 4 Pages: 197-197
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Exploring Factors Associated With Accelerometer Validity Among Ethnically Diverse Toddlers. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-09-27 Christine Crumbley,Aliye B Cepni,Ashley Taylor,Debbe Thompson,Nancy E Moran,Norma Olvera,Daniel P O'Connor,Craig A Johnston,Tracey A Ledoux
PURPOSE Studying physical activity in toddlers using accelerometers is challenging due to noncompliance with wear time (WT) and activity log (AL) instructions. The aims of this study are to examine relationships between WT and AL completion and (1) demographic and socioeconomic variables, (2) parenting style, and (3) whether sedentary time differs by AL completion. METHODS Secondary analysis was performed
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Association of Recess Provision With Accelerometer-Measured Physical Activity and Sedentary Time in a Representative Sample of 6- to 11-Year-Old Children in the United States. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-09-27 Kimberly A Clevenger,Katherine L McKee,Melitta A McNarry,Kelly A Mackintosh,David Berrigan
PURPOSE To assess the association between the amount of recess provision and children's accelerometer-measured physical activity (PA) levels. METHODS Parents/guardians of 6- to 11-year-olds (n = 451) in the 2012 National Youth Fitness Survey reported recess provision, categorized as low (10-15 min; 31.9%), medium (16-30 min; 48.0%), or high (>30 min; 20.1%). Children wore a wrist-worn accelerometer
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Hydration and Performance in Young Triathletes During a Competition in Tropical Climate Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-08-21 Anita M. Rivera-Brown, Patricia Pagán-Lassalle
Purpose: We examined fluid intake, the relation between body mass (BM) loss and performance, and core temperature in young triathletes during a competition in tropical climate. Methods: Fluid intake and pre and post BM were measured in 35 adolescent athletes, and core temperature was measured in one female and one male. Results: Mean urine specific gravity (1.024 [0.007]) indicated that athletes were
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New Insights Into Accelerometer-Measured Habitual Physical Activity and Sedentary Time During Early Recovery in Pediatric Concussion. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-08-16 Bhanu Sharma,Joyce Obeid,Carol DeMatteo,Michael D Noseworthy,Brian W Timmons
PURPOSE Concussion management is shifting away from a rest-is-best approach, as data now suggest that exercise-is-medicine for this mild brain injury. Despite this, we have limited data on habitual physical activity following concussion. Therefore, our objective was to quantify accelerometer-measured physical activity and sedentary time in children with concussion (within the first month of injury)
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The Longitudinal Association of Cardiorespiratory Fitness and Adiposity With Clustered Cardiometabolic Risk: A Mediation Analysis. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-08-16 João Francisco de Castro Silveira,Caroline Brand,Letícia Welser,Anelise Reis Gaya,Ryan Donald Burns,Karin Allor Pfeiffer,Rodrigo Antunes Lima,Lars Bo Andersen,Cézane Priscila Reuter,Hildegard Hedwig Pohl
PURPOSE Previous literature has demonstrated the mediating role of adiposity in the association between cardiorespiratory fitness (CRF) and cardiometabolic risk as well as the potential role of CRF in attenuating the adverse consequences associated with excess weight. This study aimed to evaluate the mediating role of CRF and adiposity in the possible association with cardiometabolic risk. METHOD Observational
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Development of Upper-Extremity Morphological Asymmetries in Male and Female Elite Youth Tennis Players: A Longitudinal Study. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-08-09 Laurent Chapelle,Eva D'Hondt,Nikki Rommers,Peter Clarys
PURPOSE This 2-year longitudinal study examined the development of upper-extremity bone mineral density (BMD), bone mineral content (BMC), and lean mass (LM) asymmetry magnitudes in male and female youth tennis players. METHODS Dominant and nondominant upper-extremity BMD, BMC, and LM values of 49 male and 31 female players were measured yearly using dual X-ray absorptiometry. From these values, asymmetry
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Motor Unit Firing Properties During Force Control Task and Associations With Neurological Tests in Children Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-08-08 Masamichi Okudaira, Ryosuke Takeda, Tetsuya Hirono, Taichi Nishikawa, Shun Kunugi, Kohei Watanabe
The present study aimed to clarify the development of motor unit (MU) firing properties and the association between those neural properties and force steadiness (FS)/neurological tests in 6- to 12-year-old children. Fifty-eight school-aged children performed maximal voluntary knee extension contraction, a submaximal FS test at 10% of maximal voluntary knee extension contraction, knee extension reaction
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Physical Activity in Pediatric Inflammatory Bowel Disease: A Scoping Review Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-07-24 Lee Hill, Noushin Roofigari, Maria Faraz, Jelena Popov, Michal Moshkovich, Melanie Figueiredo, Emily Hartung, Meryem Talbo, Marie-Laure Lalanne-Mistrih, Mary Sherlock, Mary Zachos, Brian W. Timmons, Joyce Obeid, Nikhil Pai
Background: Inflammatory bowel disease (IBD) is a chronic, systemic condition affecting the gastrointestinal tract. IBD can be severe and are associated with impairment in growth, school absences, abdominal pain, and fatigue. Physical activity (PA) could have an anti-inflammatory effect in addition to other benefits. It is important to address the possible risks, physiological effects of PA, and potential
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Physical Activity Levels During School Recess in a Nationally Representative Sample of 10- to 11-Year-Olds Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-07-24 Lan Sum Wong, John J. Reilly, Paul McCrorie, Deirdre M. Harrington
Purpose: School recess provides a valuable opportunity for children’s daily moderate- to vigorous-intensity physical activity (MVPA). This study aimed to quantify MVPA during school recess in a representative sample of Scottish children and examine whether recess MVPA varied by gender, socioeconomic status, season, urban/rural residency, and recess length. Method: Five-day accelerometry MVPA data were
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A Pilot Study of Exercise Training for Children and Adolescents With Inflammatory Bowel Disease: An Evaluation of Feasibility, Safety, Satisfaction, and Efficacy Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-07-24 Mila Bjelica, Rachel G. Walker, Joyce Obeid, Robert M. Issenman, Brian W. Timmons
Background: Children with inflammatory bowel disease (IBD) experience extraintestinal side effects including altered body composition, impaired muscle strength, and aerobic capacity. Exercise training may remedy these issues. Purpose: To assess the feasibility, safety, participant satisfaction, and efficacy of a training program for youth with IBD. Methods: Children with IBD completed 16 weeks of training
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Acute and Long-Term Changes in Blood-Borne Biomarkers in Response to Dynamic Standing in Nonambulant Children With Cerebral Palsy Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-07-11 Tibor V. Varga, Åsa Andersson, Katarina Lauruschkus, Åsa B. Tornberg
Purpose: To investigate acute and long-term changes in hormonal and inflammatory biomarkers in nonambulant children with cerebral palsy in response to dynamic standing exercise. Methods: Fourteen children with severe cerebral palsy were recruited. Anthropometrics and body composition measures were obtained. Physical activity levels before the study were assessed using hip-worn accelerometry. All children
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Editor’s Notes Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-07-06 Craig A. Williams
Journal Name: Pediatric Exercise Science Volume: 35 Issue: 3 Pages: 117-117
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Mediolateral Postural Control Mechanisms and Proprioception Improve With Kicking Sports Training During Adolescence Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-06-30 Mariève Blanchet, François Prince
Sensorimotor stimulation during the sensitive period is crucial for proper brain development. Kicking sports (KS) training stimulates these sensorimotor functions. The purpose of this study was to investigate if incorporating specific sensorimotor stimulation in mediolateral axis and proprioceptive inputs during KS training will improve the specific sensorimotor performance in adolescents. We assessed
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Physical Activity Questionnaire for Children: Validity and Cut-Points to Identify Sufficient Levels of Moderate- to Vigorous-Intensity Physical Activity Among Children and Adolescents Diagnosed With HIV Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-06-22 João Antônio Chula de Castro, Luiz Rodrigo Augustemak de Lima, Richard Larouche, Mark S. Tremblay, Diego Augusto Santos Silva
Purpose: To investigate the validity of the Physical Activity Questionnaire for Older Children (PAQ-C) to assess the moderate- to vigorous-intensity physical activity (MVPA) level of children and adolescents diagnosed with HIV and propose cut-points, with accelerometer measures as the reference method. Method: Children and adolescents, aged 8–14 years (mean age = 12.21 y, SD = 2.09), diagnosed with
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Running Habits and Injury Frequency Following COVID-19 Restrictions in Adolescent Long-Distance Runners. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-06-21 Rachel N Meyers,Micah C Garcia,Jeffery A Taylor-Haas,Jason T Long,Mitchell J Rauh,Mark V Paterno,Kevin R Ford,David M Bazett-Jones
PURPOSE A decline in youth running was observed at the start of the COVID-19 pandemic. We investigated whether the resumption of organized running after social distancing restrictions changed running habits or injury frequency in adolescent runners. METHODS Adolescents (age = 16.1 [2.1] y) who participated in long-distance running activities completed an online survey in the Spring and Fall of 2020
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Feasibility and Utility of a Fitbit Tracker Among Ambulatory Children and Youth With Disabilities Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-05-26 Emily Bremer, Kelly P. Arbour-Nicitopoulos, Brianna Tsui, Kathleen A. Martin Ginis, Sarah A. Moore, Krista L. Best, Christine Voss
Purpose: To examine the feasibility and utility of the Fitbit Charge HR to estimate physical activity among ambulatory children and youth with disabilities. Method: Participants (4–17 y old) with disabilities were recruited and asked to wear a Fitbit for 28 days. Feasibility was assessed as the number of participants who adhered to the 28-day protocol. Heat maps were generated to visually examine variability
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Comparison Between Cardiorespiratory Fitness and Functions of Cognitive Control in Adolescents: A Tracking Study of 3 Years. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-05-12 Vinícius Muller Reis Weber,Jose Castro-Piñero,Julio Cesar da Costa,Daniel Zanardini Fernandes,Marcelo Romanzini,Enio Ricardo Vaz Ronque
PURPOSE Compare tracking groups with cognitive control functions and plasma brain-derived neurotrophic factors concentrations from childhood to adolescence. METHODS This is a prospective study with 3 years of follow-up. At baseline, data from 394 individuals were collected (11.7 y), and data were obtained from 134 adolescents (14.9 y) at the 3-year follow-up. At both time points, anthropometric and
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Reporting of Adverse Events in Muscle Strengthening Interventions in Youth: A Systematic Review Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-04-27 Diane E. Mack, Daniel Anzovino, Malcolm Sanderson, Raffy Dotan, Bareket Falk
Clear definition, identification, and reporting of adverse event (AE) monitoring during training interventions are essential for decision making regarding the safety of training and testing in youths. Purpose: To document the extent to which AEs, resulting from intervention studies targeting muscle strengthening training (MST) in youth, are reported by researchers. Methods: Electronic databases (CINAHL
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Physical Activity Levels and Adiposity in Ambulant Children and Adolescents With Cerebral Palsy Compared With Their Typically Developing Peers. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-03-21 Leticia Janzen,Clodagh M Toomey,Laura K Brunton,Elizabeth G Condliffe,Shane Esau,Adam Kirton,Carolyn A Emery,Gregor Kuntze
PURPOSE This study assessed physical activity (PA) and body composition of ambulatory children and adolescents with cerebral palsy (CP) and their typically developing peers. METHODS Participants included youth with CP (ages 8-18 y and Gross Motor Function Classification System [GMFCS] levels I-III) and their typically developing peers. Outcomes included PA (actigraphy) and fat/lean mass index (FMI/LMI;
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Mobile Electroencephalography Reveals Differences in Cortical Processing During Exercises With Lower and Higher Cognitive Demands in Preadolescent Children Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-03-21 Linda Becker, Daniel Büchel, Tim Lehmann, Miriam Kehne, Jochen Baumeister
Purpose: The aim of this study was to examine whether cortical activity changes during exercise with increasing cognitive demands in preadolescent children. Method: Twenty healthy children (8.75 [0.91] y) performed one movement game, which was conducted with lower and higher cognitive demands. During a baseline measurement and both exercise conditions, cortical activity was recorded using a 64-channel
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Identifying Risk Profiles for Nonadherence to the 24-Hour Movement Guidelines for Children and Youth 6 Months Into the COVID-19 Pandemic Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-01-11 Michelle D. Guerrero, Sarah Moore, Guy Faulkner, Karen C. Roberts, Raktim Mitra, Leigh M. Vanderloo, Ryan E. Rhodes, Mark S. Tremblay
Purpose: The purposes of the current study were to identify risk profiles for nonadherence among children and youth (5–17 y) at the 6-month mark of the COVID-19 pandemic and to discuss similarities and differences between risk profiles identified in the current study and those identified at the 1-month mark of the pandemic. Methods: Data were part of a nationally representative sample of 1143 parents
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Reliability of Fitness Assessments in Children With Emotional and Behavioral Difficulties Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2023-01-03 Ashley C. Almarjawi, Kemi E. Wright, Brett D. Buist, John Cairney, Tony T. Ton, Bonnie J. Furzer
Purpose: Examine the reliability of field-based fitness assessments in school-aged children with emotional or behavioral difficulties (EBD). Understanding the impact of fitness on physical activity participation for children with EBD is limited by our ability to reliably measure it. Methods: Fifteen children aged 7–12 years with EBD completed 7 assessments—standing broad jump, overhead throw, grip
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Associations Among Physical Activity, Adiposity, and Insulin Resistance in Children Exposed In Utero to Maternal Obesity With and Without Gestational Diabetes Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-12-21 Bethany A. Moore, Makenzie L. Callahan, Samantha L. Martin, Alysha Everett, W. Timothy Garvey, Paula Chandler-Laney
Purpose: Investigate whether obesity risk and current weight status are independently associated with physical activity (PA) and whether PA is associated with adiposity and insulin resistance (homeostatic model assessment of insulin resistance) among children with high versus low obesity risk based on in utero exposure to maternal overweight/obesity with gestational diabetes mellitus (GDM; high risk)
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Does Regular Exercise Impact the Lung Function of Healthy Children and Adolescents? A Systematic Review and Meta-Analysis Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-12-20 Fernanda Balbinot, Felipe César de Almeida Claudino, Pedro Kazlauckas Lucas, Ana Paula Donadello Martins, Eliana M. Wendland, Margaret W. Gerbase
Purpose: To assess the quality of the available evidence on the effect of exercise for the improvement of lung function in healthy children and adolescents. Method: We performed a systematic review and meta-analysis of intervention studies examining the effects of regular exercise on spirometric parameters of healthy children and adolescents aged ≤18 years. Results: Within the exercise groups, there
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Aqua-Plyometric Exercises-Induced Changes in Muscle Strength, Bone Mineral Properties, and Physical Fitness in Patients With Juvenile Idiopathic Arthritis: A 12-Week, Randomized Controlled Trial Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-12-19 Ragab K. Elnaggar, Mahmoud S. Elfakharany
Purpose: To determine whether a 12-week, lower body-targeted aqua-plyometric (AquaPlyo) exercise program could improve muscle strength, bone mineral properties, and physical fitness in patients with juvenile idiopathic arthritis. Methods: A randomized controlled trial was adopted and included 48 patients with polyarticular juvenile idiopathic arthritis (age: 12–18 y). Patients were assigned to undergo
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Arterial Structure in 18-Year-Old Males Is Dependent on Physical Activity at 12 Years and Cumulative Cardiorespiratory Fitness From Puberty to Late Adolescence Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-12-12 Juta Kraav, Reeli Tamme, Liina Remmel, Evelin Mäestu, Maksim Zagura, Jaak Jürimäe, Vallo Tillmann
Purpose: To evaluate the long-term effect of body composition, physical activity, and cardiorespiratory fitness (CRF) from puberty on arterial health in late adolescent males. Methods: The cumulative burden of physical activity (measured with accelerometer), CRF (VO2peak0.82), and body composition (body mass index, fat mass, and fat percentage) from puberty to late adolescence (sum of 4 time points
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Metabolic Flexibility During Exercise in Children with Overweight/Obesity Versus Children who are Lean Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-11-11 Brandon Dykstra, Dillon Kuszmaul, Anthony D. Mahon
Purpose: This study examined metabolic flexibility with respect to fat metabolism during exercise in children who are lean (n=11; 10.9[0.9] y) and overweight/obese (OW/OB; n=9; 10.3[1.2] y). Method: Participants were grouped based on body mass index percentiles for age and sex. Groups were mixed in age and sex. Participants completed two 20-minute exercise bouts on a cycle ergometer, separated by a
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Association of Recess Provision With Elementary School-Aged Children’s Physical Activity, Adiposity, and Cardiorespiratory and Muscular Fitness Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-09-23 Kimberly A. Clevenger, Melitta A. McNarry, Kelly A. Mackintosh, David Berrigan
Purpose: To identify associations between amount of school recess provision and children’s physical activity (PA), weight status, adiposity, cardiorespiratory endurance, muscular strength, and muscular endurance. Method: Data from 6- to 11-year-old participants (n = 499) in the 2012 National Youth Fitness Survey were analyzed. Parents/guardians reported children’s PA levels and recess provision, categorized
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Adolescent Bone Advantages 3 Years After Resistance Training Trial Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-09-23 Jill Thein-Nissenbaum, Deena M. Weiss, Stephanie A. Kliethermes, Tamara A. Scerpella
Purpose: We assessed maintenance of skeletal advantages 3 years after completion of a 2-year, school-based, controlled exercise trial in adolescent girls. Method: Middle-school girls participated in a resistance training program embedded in physical education classes. Effort groups (low-effort group [LO] and high-effort group [HI]) were identified; the control group (CON) participated in standard physical
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A Systematic Review of the Associations of Adiposity and Cardiorespiratory Fitness With Arterial Structure and Function in Nonclinical Children and Adolescents Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-09-23 Kelsey L. McAlister, Diana Zhang, Kristen N. Moore, Tiffany M. Chapman, Jennifer Zink, Britni R. Belcher
Purpose: To summarize the evidence on associations of adiposity and cardiorespiratory fitness (CRF) with arterial structure and function in nonclinical children and adolescents. Methods: Two researchers conducted a search in 5 electronic databases in April 2022 to find studies in nonclinical youth (age 5–17.9 y) reporting multivariable associations. Studies were eligible if adiposity and/or CRF were
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The Percentage of Mature Height as a Morphometric Index of Somatic Growth: A Formal Scrutiny of Conventional Simple Ratio Scaling Assumptions Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-09-19 Lorenzo Lolli, Amanda Johnson, Mauricio Monaco, Valter Di Salvo, Greg Atkinson, Warren Gregson
Purpose: To assess conventional assumptions that underpin the percentage of mature height index as the simple ratio of screening height (numerator) divided by actual or predicted adult height (denominator). Methods: We examined cross-sectional data from 99 academy youth soccer players (chronological age range, 11.5 to 17.7 y) skeletally immature at the screening time and with adult height measurements
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Abstracts From the 2022 North American Society for Pediatric Exercise Medicine Conference: The Child’s Right to be Fit (August 2022, Saskatoon, Saskatchewan, Canada) Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-08-19
Journal Name: Pediatric Exercise Science Volume: 34 Issue: S1 Pages: 1-23
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Clusters of Activity-Related Social and Physical Home Environmental Factors and Their Association With Children’s Home-Based Physical Activity and Sitting Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-08-08 Michael P. Sheldrick, Clover Maitland, Kelly A. Mackintosh, Michael Rosenberg, Lucy J. Griffiths, Richard Fry, Gareth Stratton
Purpose: Understanding which physical activity (PA) and sedentary behavior correlates cluster in children is important, particularly in the home, where children spend significant time. Therefore, this study aimed to assess clustering of physical and social activity-related factors at home, and whether these clusters are related to home-based sitting and PA in children. A secondary aim was to explore
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Exercise Capacity and Biomarkers Among Children and Adolescents With Sickle Cell Disease Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-22 Lea Barbetta Pereira da Silva, Gilmar Mercês de Jesus, José de Bessa Junior, Valter Abrantes Pereira da Silva, Ivanilde Guedes de Mattos, Coretta Melissa Jenerette, Evanilda Souza de Santana Carvalho
Background: Sickle cell disease is the most common genetic hemoglobinopathy globally and systemically affects body functioning, decreasing exercise capacity. Objective: To assess exercise capacity through the 6-minute walk test (6MWT) and biomarkers in children and adolescents with sickle cell disease. Materials and Methods: Cross-sectional study involving 20 children and adolescents from Brazil. Demographic
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The Effect of Physical Exertional Testing on Postconcussion Symptom Scale Scores in Male and Female High School Students Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-20 Lauren N. Miutz, Carolyn A. Emery, Amanda M. Black, Matthew J. Jordan, Jonathan D. Smirl, Kathryn J. Schneider
Purpose: Symptom scores commonly measured following concussion were compared between male and female adolescents with (Hx+) and without (Hx−) a history of concussion, pre and post physical exertion testing. Methods: Eighty (males [n = 60; Hx+ = 19], female [n = 20; Hx+ = 5]) high school students (ages 15–17 y) completed the Buffalo Concussion Treadmill Test once and the modified shuttle run test twice
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Associations of Device-Measured Physical Activity, Sedentary Behavior, and Executive Function in Preadolescents: A Latent Profile Approach Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-20 Yuxin Zhu, Fenghua Sun, Gary C.C. Chow, Sisi Tao, Simon B. Cooper, Borui Zhang, Thomson W.L. Wong
Purpose: This study investigated the associations between physical activity (PA), sedentary behavior, and executive function in preadolescents. Methods: One hundred and twenty preadolescents were recruited from 2 Hong Kong primary schools. PA and sedentary behavior were recorded for 7 consecutive days by accelerometer. Executive function performance, including inhibition (Stroop task and Flanker task)
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Correlates of Sedentary Time Among Children and Adolescents in Ethiopia: A Cross-Sectional Study Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-20 Sibhatu Biadgilign, Tennyson Mgutshini, Bereket Gebremichael, Demewoz Haile, Lioul Berhanu, Stanley Chitekwe, Peter Memiah
Purpose: To assess the correlates of sedentary time among children and adolescents in Ethiopia. Methods: The study was conducted in representative samples of children and adolescents in the capital city of Ethiopia, Addis Ababa. Multivariable logistic regression models were used to determine associations of sedentary time and predictor variables. Results: The mean sedentary time was 4.61 (95% confidence
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Questionnaires Measuring Physical Activity in Clinical Pediatric Populations: A Systematic Review. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-08 Si Min Lew,Christal K L Hewlett,Daniel Anderson,Matthew Finberg,Leo Ng,Angela L Spence,Andrew Maiorana,Vinutha B Shetty,Raymond J Davey
PURPOSE Regular physical activity (PA) is a cornerstone therapy for many childhood chronic health conditions, and questionnaires offer a simple method for monitoring PA and identifying children who do not meet clinical practice guidelines. The purpose of this systematic review is to determine which questionnaires are most efficacious for assessing PA in children with chronic health conditions. METHODS
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Short-Term Muscle Power Is Related to Lower Limb Muscle Volume in Young Children. Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-06 Steven J Obst,Kaysie Florance,Luke Heales,Sasha Job,Lee Barber
PURPOSE Muscle power is a component of muscular fitness and is proportional to its volume. Reduced muscular fitness in children is linked to negative health outcomes. Associations between muscle volume (MV) and power have not been examined in young children and could reveal important insights into early neuromuscular development. METHOD Forty-four children (2-8 y) completed 3 tests of short-term muscular
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Bone Turnover Markers and Osteokines in Adolescent Female Athletes of High- and Low-Impact Sports Compared With Nonathletic Controls Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-07-06 Steven Kottaras, Joshua Stoikos, Brandon J. McKinlay, Izabella A. Ludwa, Andrea R. Josse, Bareket Falk, Panagiota Klentrou
This study examined differences in resting concentrations of markers of bone formation and resorption, and osteokines between female adolescent (12–16 y) swimmers, soccer players, and nonathletic controls. Resting, morning blood samples were obtained after an overnight fast from 20 swimmers, 20 soccer players, and 20 nonathletic controls, matched for age. carboxyl-terminal cross-linking telopeptide
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A National Implementation Approach for Exercise as Usual Care in Pediatric and Adolescent Oncology: Network ActiveOncoKids Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-06-14 Miriam Götte, Regine Söntgerath, Gabriele Gauß, Joachim Wiskemann, Mirko Buždon, Sabine Kesting
The diagnosis of cancer as well as accompanying acute and late effects of treatment are influencing physical activity behavior of patients with childhood cancer and survivors. Research has shown that a pediatric cancer diagnosis is associated with impairments of physical performance, and function, as well as reduced physical, and psychosocial, health conditions. From an ethical perspective, lack of
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Bidirectional Daily Associations Between Accelerometer-Measured Sleep and Physical Activity in Brazilian High School Students Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-05-25 Luís Eduardo Argenta Malheiros, Bruno Gonçalves Galdino da Costa, Marcus Vinícius Veber Lopes, Érico Pereira Gomes Felden, Kelly Samara da Silva
Purpose: This study analyzed day-to-day estimates of bidirectional associations between sleep parameters and intensity-specific physical activity and assessed whether the timing of physical activity influences these relationships. Methods: The sample was comprised of 651 high school students (51.2% female, 16.33 [1.0] y old) from southern Brazil. Physical activity and sleep were measured using accelerometers
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Change of Direction Speed in Youth Male Soccer Players: The Predictive Value of Anthropometrics and Biological Maturity Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-05-05 Yassine Negra, Senda Sammoud, Alan M. Nevill, Helmi Chaabene
This study aimed to develop the optimal allometric body size/shape and a biological maturity model that predicted the change of direction (CoD) mean speed performance in youth male soccer players. One-hundred and fifteen youth soccer players (age: 12.4 [1.3] y) participated in this study. The 505 test was used to assess CoD mean speed performance. Anthropometric measurements comprised body height (cm)
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Sex-Related Differences in Oxygen Consumption Recovery After High-Intensity Rowing Exercise During Childhood and Adolescence Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-04-25 Joffrey Bardin, Hugo Maciejewski, Allison Diry, Claire Thomas, Sébastien Ratel
Purpose: To determine sex-related differences in oxygen consumption (V˙O2) recovery after high-intensity exercise during childhood and adolescence. Methods: Forty-two boys and 35 girls (10–17 y) performed a 60-second all-out test on a rowing ergometer. Postexercise V˙O2 recovery was analyzed from (1) the V˙O2 recovery time constant obtained from a biexponential model (τ1V˙O2) and (2) excess postexercise
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Practices and Procedures in Clinical Pediatric Exercise Laboratories in North America Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-04-07 Kelli M. Teson, Jessica S. Watson, Wayne A. Mays, Sandy Knecht, Tracy Curran, Paul Rebovich, David D. Williams, Stephen M. Paridon, David A. White
Interinstitutional differences in clinical pediatric exercise laboratory (CPEL) practices may affect patient care and efficacy of multicenter research. Purpose: To describe current practices/procedures in CPELs and explore differences in CPELs employing exercise physiologists to those that do not. Methods: A 40-item survey was distributed to CPELs in North America focusing on (1) staffing; (2) exercise
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Repeated Sprint Protocols With Standardized Versus Self-Selected Recovery Periods in Elite Youth Soccer Players: Can They Pace Themselves? A Replication Study Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-04-07 Florian A. Engel, Stefan Altmann, Hamdi Chtourou, Alexander Woll, Rainer Neumann, Tomer Yona, Billy Sperlich
Purpose: Replicating the studies of Gibson et al and Brownstein et al to assess performance, and physiological, and perceived variables during a repeated sprint protocol (RSP) with standardized versus self-selected recovery in youth soccer players. Methods: Nineteen male soccer players (age 13.1 [1.3] y) completed 2 separate RSPs. RSP1: 10 × 30-m sprints with 30-second recovery and RSP2: 10 × 30-m
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Martial Arts Training for Boys With Duchenne Muscular Dystrophy Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-04-07 Maarten K.N. Stessel, Imelda J.M. de Groot, Mariska M.H.P. Janssen
Purpose: The primary aim of this pilot study was to investigate the safety and feasibility of a 3-month martial arts-based training (MAT) program for patients with Duchenne muscular dystrophy (DMD). The secondary aim was to examine changes in physical and psychosocial abilities after participating in the MAT program. Methods: Twelve patients with DMD (10 ambulant and 2 nonambulant) were included. The
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Physical Literacy of Marginalized Middle School Adolescents in Kansas City Public Schools Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-03-12 Katlyn E. Eighmy, Joseph S. Lightner, Amanda R. Grimes, Teesha Miller
Purpose: Physical inactivity among adolescents in the United States continues to be a pervasive and growing problem, especially among low income and adolescents of color. Physical literacy is important for adolescents to engage in physical activity. However, few studies have assessed physical literacy among marginalized populations. The purpose of this study is to describe levels of physical literacy
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Significant Energy Deficit and Suboptimal Sleep During a Junior Academy Tennis Training Camp Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-03-08 James A. Fleming, Liam D. Corr, James Earle, Robert J. Naughton, Liam D. Harper
Purpose: To assess the training load, energy expenditure, dietary intake, and sleep quality and quantity of junior tennis players during a tennis training camp. Methods: Ten junior academy tennis players (14 [1] y) completed a 6-day camp with daily morning and afternoon training. Players wore accelerometer watches to measure activity energy expenditure and sleep. Global positioning system units were
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Psychological Responses to Intermittent Activities in Children With and Without Asthma Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-02-25 Anna E. Schwartz, Lexie R. Beemer, Tiwaloluwa A. Ajibewa, Katherine Q. Scott-Andrews, Toby C. Lewis, Leah E. Robinson, Rebecca E. Hasson
Purpose: The purpose of this study was to examine the psychological responses to intermittent activities of varying intensities and types among children with and without asthma. Methods: A total of 37 children and adolescents (51% male, aged 8–16 y, 54% nonwhite, and 54% without asthma) participated in this study. Participants completed 5 exercises in the same order: self-paced walking, resistance
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Acute Perceptive Responses to 2 Combined Training Methods in Adolescents: A Crossover Study Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-02-16 Waynne Ferreira de Faria, Renan Camargo Corrêa, Filipe Rodrigues Mendonça, Kleverton Krinski, Antonio Stabelini Neto
Objective:To compare the acute perceptive responses of different combined training methods in adolescents. Materials and Methods: The sample consisted of 50 adolescents, insufficiently active, aged between 14 and 18 years (58% female). The adolescents performed 2 sessions in a randomized order: moderate-intensity continuous training + resistance training (MICT + RT) and high-intensity interval training + resistance
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Peak Loads Associated With High-Impact Physical Activities in Children Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-02-14 Zach Fassett, Adam E. Jagodinsky, David Q. Thomas, Skip M. Williams
Physical activities involving impact loading are important for improving bone strength and mineral density in children. There is little research quantifying impact loads associated with various high-impact activities. Purpose: Examine the magnitude of peak ground reaction forces (pGRF) across different jumping activities in children. Methods: Eight children between 8 and 12 years (9.63 [1.49] y; 1
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Getting a Grip on Strength Measurement in Children (6–13 Y): Impact of Typical Error of Measurement Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2022-02-02 Rob Buck, Michael Ian Lambert
Purpose: To identify the smallest change in handgrip strength (HGS) in children that can be considered of practical significance. Method: A total of 290 male and female children, aged 6–13 years, performed a HGS testing protocol 3 times within a 7-day period. The typical error of measurement (TE), coefficient of variation, and smallest worthwhile change (SWC) were calculated for each sex and age group
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Influence of Insulin Application Time and High-Intensity Intermittent Exercise on Hypoglycemic Risk in Adolescents With Type 1 Diabetes Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2021-11-23 Valderi de Abreu de Lima, Gabriel Ribeiro Cordeiro, Luis Paulo Gomes Mascarenhas, Suzana Nesi França, Juliana Pereira Decimo, Andréia Araújo Porchat de leão, Camila Kapp Fritz, Neiva Leite
Purpose: The study analyzed the influence of exercise on hypoglycemia episodes postexercise and in the subsequent 24 hours in children and adolescents with type 1 diabetes. Methods: Thirty young people performed the same protocol of physical exercises for 1 hour (Ex1h) and 2 hours (Ex2h) after the administration of insulin. They performed 30 minutes of exercise on a cycle ergometer with a load of 60%
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Validity of the Fitbit Ace and Moki Devices for Assessing Steps During Different Walking Conditions in Young Adolescents Pediatr. Exerc. Sci. (IF 1.8) Pub Date : 2021-11-16 Xiyao Sun, Stephanie A. Adams, Chuchu Li, Josephine N. Booth, Judy Robertson, Samantha Fawkner
Purpose: Using wearable monitoring devices is increasingly ubiquitous, including among young people. However, there is limited evidence of the validity of devices which are aimed at children and adolescents. The purpose of this study was to evaluate the validity of Fitbit Ace and Moki monitors in healthy young adolescents. Methods: This cross-sectional study included 17 young adolescents (ages 11–13 y)