Elite Youth Sports-The Year That Was 2017.

abstract：:The pulmonary oxygen uptake (pVO2) kinetic response at the onset of exercise provides a noninvasive window into the metabolic activity of the muscle and a valuable means of increasing our understanding of developmental muscle metabolism. However, to date only limited research has been devoted to investigating the pVO2...

journal_title：Pediatric exercise science

authors： Armstrong N,Barker AR

更新日期：2009-05-01 00:00:00

abstract：:2016 has been an exciting year for research in physical activity, inactivity and health. Recognition of the importance of all physical behaviors (physical activity, sedentary time and sleep) across the 24-hr day continues to grow. Notable advances have included: applications of recent methodological innovations that a...

journal_title：Pediatric exercise science

authors： Rowlands AV

更新日期：2017-02-01 00:00:00

abstract：:This study was designed to test the reproducibility of muscle oxygenation by NIRS in children during exercise. Twelve healthy non-obese and non-trained children performed one maximal graded test, and four 6-min constant load cycle exercises. Deoxy-hemoglobin (Hb/Mb- H+) data were averaged every 1, 5, 10, 20 and 30s. H...

journal_title：Pediatric exercise science

authors： Leclair E,Borel B,Baquet G,Berthoin S,Mucci P,Thevenet D,Reguem SC

更新日期：2010-05-01 00:00:00

abstract：PURPOSE:Fatigue negatively alters dynamic knee control, and the functional hamstring/quadriceps ratio (H/QFUNC) plays an important role in stabilizing the joint. The aim of this study was to investigate the influence of soccer-specific exercise on H/QFUNC in under (U) 13-, U15-, and U17-year-old female soccer players. ...

journal_title：Pediatric exercise science

authors： De Ste Croix M,Priestley A,Lloyd R,Oliver J

更新日期：2018-08-01 00:00:00

abstract：UNLABELLED:We initiated a pilot study to investigate the effects of 8 wks of aerobic exercise training (ET) on insulin sensitivity and inflammatory markers in obese and insulin-resistant minority adolescents. Eleven morbidly obese (BMI 41.4 ± 1.8 kg/m2) minority adolescents were entered into a supervised ET interventio...

journal_title：Pediatric exercise science

authors： Many G,Hurtado ME,Tanner C,Houmard J,Gordish-Dressman H,Park JJ,Uwaifo G,Kraus W,Hagberg J,Hoffman E

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:Bullying is a specific pattern of repeated victimization explored with great frequency in school-based literature, but receiving little attention within sport. The current study explored the prevalence of bullying in sport, and examined whether bullying experiences were associated with perceptions about relatio...

journal_title：Pediatric exercise science

authors： Evans B,Adler A,Macdonald D,Côté J

更新日期：2016-05-01 00:00:00

abstract：:This study compared salivary and serum concentrations of testosterone and cortisol at rest and in response to intense multitask exercise in boys and men. Early morning saliva and venous blood samples were obtained before and 15 minutes after exercise from 30 competitive swimmers (15 boys, age 14.3 [1.9] y; 15 men, age...

journal_title：Pediatric exercise science

authors： Adebero T,McKinlay BJ,Theocharidis A,Root Z,Josse AR,Klentrou P,Falk B

更新日期：2020-05-01 00:00:00

abstract：:The aim of this study was to assess the convergent validity of a new piezoelectric pedometer and an omnidirectional accelerometer for assessing children's time spent in moderate to vigorous physical activity (MVPA).A total of 114 children (51 boys, 63 girls) aged 5-11 years wore a sealed NL-1000 piezoelectric pedomete...

journal_title：Pediatric exercise science

authors： Duncan S,White K,Sa'ulilo L,Schofield G

更新日期：2011-08-01 00:00:00

abstract：:The primary purpose of this paper was to provide insight into the effect of different training methods on sprinting time in male youth aged 8-18 years. Specific and nonspecific training methods were identified, the participants of the five teen studies categorized into pre, mid- and postpeak height velocity and effect...

journal_title：Pediatric exercise science

authors： Rumpf MC,Cronin JB,Pinder SD,Oliver J,Hughes M

更新日期：2012-05-01 00:00:00

abstract：:Training adaptation of the left ventricle (LV) and it's reversibility following the cessation of training in adults is well known and also studied in children. In the current study we describe the changes in the LV morphology in association with the training season during a 1.5 year follow-up period. 15 elite adolesce...

journal_title：Pediatric exercise science

authors： Csajági E,Szauder I,Major Z,Pavlik G

更新日期：2015-05-01 00:00:00

abstract：PURPOSE:Sickle cell disease (SCD) significantly affects physical functioning. We examined physical activity (PA) patterns in children with SCD versus a national sample and factors associated with PA and participation in physical education and organized sports. METHOD:One hundred children with SCD completed a 58-item s...

journal_title：Pediatric exercise science

authors： Omwanghe OA,Muntz DS,Kwon S,Montgomery S,Kemiki O,Hsu LL,Thompson AA,Liem RI

更新日期：2017-08-01 00:00:00

abstract：:Our purpose was to demonstrate that 30-s tethered swimming test can be a useful tool to estimate swimming performance in short distance freestyle events. Thirteen high level adolescent swimmers (7 male and 6 female of 16.6 ± 1.0 and 15.8 ± 0.8 years old) performed a 30-s maximum effort in front crawl tethered swimming...

journal_title：Pediatric exercise science

authors： Morouço PG,Vilas-Boas JP,Fernandes RJ

更新日期：2012-05-01 00:00:00

abstract：PURPOSE:Sedentary behavior (SB) has been shown to be associated with unhealthy outcomes in children, and it is not clear whether children living with human immunodeficiency virus (HIV) engage in different patterns of SB compared with healthy children. This cross-sectional study aimed to compare patterns of SB between c...

journal_title：Pediatric exercise science

authors： da Costa BGG,da Silva KS,da Costa RM,Petroski EL,Back IC,Guerra PHA,de Lima LRA

更新日期：2020-02-01 00:00:00

abstract：PURPOSE:The comparison of habitual physical activity and sedentary time in teenagers and young adults with cerebral palsy (CP) with typically developed (TD) peers can serve to quantify activity shortcomings. METHODS:Patterns of sedentary, upright, standing, and walking components of habitual physical activity were com...

journal_title：Pediatric exercise science

authors： Aviram R,Harries N,Shkedy Rabani A,Amro A,Nammourah I,Al-Jarrah M,Raanan Y,Hutzler Y,Bar-Haim S

更新日期：2019-02-01 00:00:00

abstract：:Internal reliability, convergent validity, and construct validity of the Self-Report Habit Index (SRHI) were examined with respect to physical activity (Study 1) and sedentary behavior (Study 2) among children and adolescents. Internal reliabilities of the SRHI proved to be high in both studies. The SRHI correlated si...

journal_title：Pediatric exercise science

authors： Kremers SP,Brug J

更新日期：2008-02-01 00:00:00

abstract：:The positive effects of physical training on heart rate variability (HRV) in healthy adults are widely recognized; however, the responsiveness to training in healthy children has not yet been established. The aim of this study was to determine the influence of physical training on HRV in prepubertal healthy children. ...

journal_title：Pediatric exercise science

authors： da Silva CC,Pereira LM,Cardoso JR,Moore JP,Nakamura FY

更新日期：2014-05-01 00:00:00

abstract：:Teaching adolescents to use self-management strategies may be an effective approach to promoting lifelong physical activity (PA). However, the extent to which adolescents use self-management strategies and their impact on current PA have not been studied previously. The aims of this study were 1) to describe the preva...

journal_title：Pediatric exercise science

authors： Trost SG,Hutley J

更新日期：2015-02-01 00:00:00

abstract：:An algorithm was developed to describe how physical activity (PA) patterns relate to overall motion counts. Thirty-five children wore an accelerometer (7-days). Each motion count was compared with the mean of surrounding counts within 21 min. Counts per minute similar to the mean were grouped into bouts. Counts that d...

journal_title：Pediatric exercise science

authors： Dorsey KB,Herrin J,Krumholz HM

更新日期：2008-08-01 00:00:00

abstract：PURPOSE:The aim of this study was to examine the factors that influence compliance and practical utility of a continuous wear protocols for activPAL™ among adolescents. METHODS:Seven hundred and fifty-five (11-18 y; 50.6% girls) students wore the waterproof activPAL™ for 7 consecutive days. The effects of factors such...

journal_title：Pediatric exercise science

authors： Shi Y,Huang WY,Yu JJ,Sheridan S,Sit CH,Wong SH

更新日期：2019-08-01 00:00:00

abstract：:Observational studies identified associations between vitamin D insufficiency (serum 25(OH)D < 30ng·ml-1) and risk of upper respiratory infection (URI). Swimmers are highly prone to URIs, which might hinder their performance. The aim of this study was to examine if vitamin D3 supplementation reduces URI burden in vita...

journal_title：Pediatric exercise science

authors： Dubnov-Raz G,Rinat B,Hemilä H,Choleva L,Cohen AH,Constantini NW

更新日期：2015-02-01 00:00:00

abstract：:The purpose of this study was to measure oxygen uptake and energy expenditure in children during rock climbing activity. 29 children (age = 10.9 ± 1.7 yr) participated in the study. A commercially available rock climbing structure with ample features for submaximal effort climbing provided continuous terrain. Particip...

journal_title：Pediatric exercise science

authors： Watts PB,Ostrowski ML

更新日期：2014-02-01 00:00:00

abstract：:Amid the childhood obesity epidemic, understanding how organized sports participation contributes to meeting physical activity recommendations in children is important. Anthropometrics were measured in children (n = 111; 68% female, 9.1 ± 0.8 yr) before one 50-min soccer match. Time spent at different physical activit...

journal_title：Pediatric exercise science

authors： Sacheck JM,Nelson T,Ficker L,Kafka T,Kuder J,Economos CD

更新日期：2011-05-01 00:00:00

abstract：PURPOSE:To examine aerobic fitness, total moderate to vigorous physical activity (MVPA) and also patterns in terms of MVPA between children and adolescents with human immunodeficiency virus (HIV) and controls, and to determine whether differences, if any, are associated with HIV, sex and highly active antiretroviral th...

journal_title：Pediatric exercise science

authors： de Lima LRA,Silva DAS,da Silva KS,Pelegrini A,de Carlos Back I,Petroski EL

更新日期：2017-08-01 00:00:00

abstract：:This study investigated the impact of renovation and redesign of a university preschool's outdoor space on children's sedentary behavior, light activity, and moderate-to-vigorous-physical-activity (MVPA) during unstructured recess. Physical activity was measured by accelerometry and direct observation in two independe...

journal_title：Pediatric exercise science

authors： Nicaise V,Kahan D,Reuben K,Sallis JF

更新日期：2012-11-01 00:00:00

abstract：:The objectives of this study were to explore whether triaxial is more accurate than uniaxial accelerometry and whether shorter sampling periods (epochs) are more accurate than longer epochs. Physical activity data from uniaxial and triaxial (RT3) devices were collected in 1-s epochs from 31 preschool children (15 male...

journal_title：Pediatric exercise science

authors： Hislop JF,Bulley C,Mercer TH,Reilly JJ

更新日期：2012-08-01 00:00:00

abstract：OBJECTIVES:Single sex after-school physical activity programs show potential to prevent unhealthy weight gain. The aim of this study was to assess the acceptability and potential efficacy of single-sex after-school physical activity programs for overweight and at-risk children from low-income communities. DESIGN:7-mon...

journal_title：Pediatric exercise science

authors： Jones RA,Kelly J,Cliff DP,Batterham M,Okely AD

更新日期：2015-11-01 00:00:00

abstract：:Sex-specific equations for predicting maturity offset, time before or after peak height velocity (PHV), were evaluated in 63 girls and 74 boys from the Fels Longitudinal Study. Serially measured heights (0.1 cm), sitting heights (0.1 cm), weights (0.1 kg), and estimated leg lengths (0.1 cm) from 8 to 18 years were use...

journal_title：Pediatric exercise science

authors： Malina RM,Choh AC,Czerwinski SA,Chumlea WC

更新日期：2016-08-01 00:00:00

abstract：:This study examined whether active commuting to and from school was associated with more frequent walking and cycling to other neighborhood destinations. Parents reported on free-time physical activity and frequency of active commuting among 1,643 South Australians (9-15 years), as well as their perceptions of risk as...

journal_title：Pediatric exercise science

authors： Dollman J,Lewis NR

更新日期：2007-11-01 00:00:00

abstract：:This study first aimed to compare critical power (CP) and anaerobic work capacity (AWC), to laboratory standard evaluation methods such as maximal oxygen uptake (VO(2)max) and maximal accumulated oxygen deficit (MAOD). Secondly, this study compared child and adult CP and AWC values. Subjects performed a maximal graded...

journal_title：Pediatric exercise science

authors： Leclair E,Borel B,Thevenet D,Baquet G,Mucci P,Berthoin S

更新日期：2010-08-01 00:00:00

abstract：:The purpose of this study was to determine the amount of physical and sedentary activity normal-weight and at-risk-for/overweight boys perform when alone, with a peer of similar weight and with a peer of different weight. Participants included boys, ages 8-12 years, classified as either normal-weight (<85th BMI percen...

journal_title：Pediatric exercise science

authors： Rittenhouse M,Salvy SJ,Barkley JE

更新日期：2011-02-01 00:00:00