Effect of different training methods on running sprint times in male youth.

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：: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：PURPOSE:The goal of the current work is to challenge the enduring notion that prepuberty is the optimum timing for maximum bone response to exercise in childhood and to present the evidence that early puberty is a more potently receptive period. METHOD:The relevant literature is reviewed and the causes of the misconce...

journal_title：Pediatric exercise science

authors： Beck BR

更新日期：2017-11-01 00:00:00

abstract：PURPOSE:To understand the extent different types of acute exercise influence cerebral blood flow during and following exercise in children. METHODS:Eight children (7-11 y; 4 girls) completed 2 conditions: high-intensity interval exercise (HIIE; 6 × 1-min sprints at 90% watt maximum) and moderate-intensity steady-state...

journal_title：Pediatric exercise science

authors： Tallon CM,Simair RG,Koziol AV,Ainslie PN,McManus AM

更新日期：2019-08-01 00:00:00

abstract：:Adjustment for body mass and maturation of strength, power, and velocity measures of young athletes is important for talent development. Seventy-four youth male athletes performed a ballistic leg press test at five loads relative to body mass. The data were analyzed in maturity groups based on years from peak height v...

journal_title：Pediatric exercise science

authors： Meylan CM,Cronin J,Hopkins WG,Oliver J

更新日期：2014-02-01 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：:The objective of the current study is to determine the effects of regular wrestling exercise oxidative DNA damage and antioxidant parameters. The findings of the current study have shown that 8-hydroxy-2'-deoxyguanosine (8-OHdG) obtained from wrestlers in basal status were significantly lower than those of sedentary (...

journal_title：Pediatric exercise science

authors： Hamurcu Z,Saritas N,Baskol G,Akpinar N

更新日期：2010-02-01 00:00:00

abstract：:The aim of this study was to investigate the effects of a school-based cardiovascular-fitness-training program in children with mental retardation (MR). Thirty boys (8-15 years old) with mild to moderate mental retardation were randomly divided into 2 groups--experimental (EX) and control (CN). The EX group underwent ...

journal_title：Pediatric exercise science

authors： Ozmen T,Ryildirim NU,Yuktasir B,Beets MW

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:Cardiac autonomic dysfunction (CADysf) in children is often associated to obesity and may be attenuated by physical activity. In this study, we investigated the effects of resistance training (RT) upon CADysf assessed by heart rate variability (HRV) in obese adolescents. METHOD:Volunteers were assigned into gr...

journal_title：Pediatric exercise science

authors： Farinatti P,Neto SR,Dias I,Cunha FA,Bouskela E,Kraemer-Aguiar LG

更新日期：2016-08-01 00:00:00

abstract：:Most pedometers record cumulative steps, limiting ability to assess level of physical activity or nonwear periods. The SportBrain iStep X1 has potential to overcome this limitation by recording and storing step count data in 60-s epochs. We evaluated accuracy of this instrument in children and the duration of consecut...

journal_title：Pediatric exercise science

authors： Dueker D,Gauderman WJ,McConnell R

更新日期：2012-11-01 00:00:00

abstract：:This study investigated the contribution of salivary testosterone (sT) concentration, years from peak height velocity (YPHV) and height by body mass interaction on jumping performance (Countermovement jump; CMJ) and aerobic fitness (Yo-Yo intermittent endurance test, level 1) in young elite soccer players. Forty-five ...

journal_title：Pediatric exercise science

authors： Moreira A,Mortatti A,Aoki M,Arruda A,Freitas C,Carling C

更新日期：2013-05-01 00:00:00

abstract：:The main purpose of the present study was to determine isokinetic strength and endurance, isometric strength, and anaerobic power for untrained healthy Saudi children and adolescents. The secondary purpose was to evaluate the effects of age in relation to anthropometric characteristics on strength and anaerobic perfor...

journal_title：Pediatric exercise science

authors： Almuzaini KS

更新日期：2007-08-01 00:00:00

abstract：:The strength of time-dependent correlations known as stride interval (SI) dynamics has been proposed as an indicator of neurologically healthy gait. Most recently, it has been hypothesized that these dynamics may be necessary for gait efficiency although the supporting evidence to date is scant. The current study exam...

journal_title：Pediatric exercise science

authors： Ellis D,Sejdic E,Zabjek K,Chau T

更新日期：2014-08-01 00:00:00

abstract：PURPOSE:To determine the acute effects of high-intensity intermittent exercise (HIIE) on vascular function. METHODS:Lean (n = 18, BMI = 17.1 ± 0.7) and obese (n = 17, BMI = 25.4 ± 0.8) prepubescent boys aged 10.2 ± 0.2 years were studied. HIIE consisted of 8 sets of 20 s of cycle ergometry at 100, 130, and 170% of VO2...

journal_title：Pediatric exercise science

authors： Chuensiri N,Tanaka H,Suksom D

更新日期：2015-11-01 00:00:00

abstract：:Second-generation antipsychotic (SGA) medications, used to treat youth for a wide-range of mental health conditions, are associated with excessive weight gain and other comorbidities, placing these individuals at high risk for cardiovascular disease. Little is known about the effect of physical activity (PA) on cardio...

journal_title：Pediatric exercise science

authors： Cote AT,Devlin AM,Panagiotopoulos C

更新日期：2014-11-01 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：: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：PURPOSE:There has long been a debate regarding the importance of talent versus training in athletic performance. In this study we sought to quantify their relative contributions to the race performance of high-school sprinters. METHODS:Using race results from the athletic.net website, we identified high-school athlete...

journal_title：Pediatric exercise science

authors： Lynch KE,Thomas A,Gibson B

更新日期：2016-11-01 00:00:00

abstract：:As the incidence of childhood obesity increases, there is a need to promote leisure time physical activity. Traditional approaches to promote the population physical activity levels have shown at best moderate improvements. High percentage of children today carry a cell phone, thus the use of this portable device seem...

journal_title：Pediatric exercise science

authors： Nemet D

更新日期：2017-02-01 00:00:00

abstract：OBJECTIVES:This study aims to (1) use the objective activPAL activity monitor to assess physical activity behaviors, including sitting/lying, standing, and both light (LIPA) and moderate-to-vigorous physical activity (MVPA); (2) to develop distinct activity profiles based on time spent in each behavior in a sample of a...

journal_title：Pediatric exercise science

authors： Dowd K,Harrington D,Hannigan A,Purtill H,Kelly SM,Macken AP,Moyna N,O'Gorman CS,Donnelly AE

更新日期：2016-02-01 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：: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：: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...

journal_title：Pediatric exercise science

authors： Sarzynski MA,Eisenmann JC,Welk GJ,Tucker J,Glenn K,Rothschild M,Heelan K

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：:"Gaps in Our Knowledge" are discussed in the context of the need to integrate biological and behavioral factors in a biocultural approach to physical activity and movement proficiency. Specific issues considered include outdoor play, organized and informal activity, biological maturation, tracking of activity, develop...

journal_title：Pediatric exercise science

authors： Malina RM,Cumming SP,Coelho E Silva MJ

更新日期：2016-05-01 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：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：:The assessment of maximal aerobic power ( V ...

journal_title：Pediatric exercise science

authors： Falk B,Dotan R

更新日期：2019-05-01 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：: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