Adjustment of measures of strength and power in youth male athletes differing in body mass and maturation.

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 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：:The purpose of this study was to investigate the relationship between maximal sprinting (MSS) and aerobic (MAS) speeds in a cohort of highly-trained young male soccer players with the influence of body mass controlled for using allometric scaling. MSS and MAS were obtained in 14 pre-age at peak height velocity (APHV) ...

journal_title：Pediatric exercise science

authors： Mendez-Villanueva A,Buchheit M,Kuitunen S,Poon TK,Simpson B,Peltola E

更新日期：2010-11-01 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：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：: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：: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：:The purpose of this study was to assess physical activity preferences (PAP) in preadolescent children. 191 Latino and White children (M = 11.9, SD = +/- 0.7) participated. Demographic, anthropometric, and PAP measures were employed. Both Latino and White children reported water play, basketball, and bicycling as their...

journal_title：Pediatric exercise science

authors： Olvera N,McCarley KE,Leung P,McLeod J,Rodriguez AX

更新日期：2009-11-01 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：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：:Previous research suggests the neighborhood environment may be an important influence on children's physical activity (PA) behaviors; however, findings are inconsistent. The purpose of this study was to further understand the relationship between perceptions of the neighborhood environment and children's afterschool m...

journal_title：Pediatric exercise science

authors： McDonald S,Dowda M,Colabianchi N,Porter D,Dishman RK,Pate RR

更新日期：2015-05-01 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：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：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: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：PURPOSE:The purpose of this study was to examine age and sex differences in standing long jump (SLJ) and to determine norm-referenced values for Spanish preschool children. METHOD:A total of 3555 children, aged 3-6 years, participated in this study (1746 girls and 1809 boys). To measure explosive leg power, the SLJ wa...

journal_title：Pediatric exercise science

authors： Latorre-Román PÁ,García-Pinillos F,Mora-López D

更新日期：2017-02-01 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：: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：: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：: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:To quantify the differences in daily physical activity (PA) patterns, intensity-specific volumes, and PA bouts in youth with and without heart disease (HD). METHODS:Seven-day PA was measured on children/adolescents with HD (n = 34; median age 12.4 y; 61.8% male; 70.6% single ventricle, 17.7% heart failure, and...

journal_title：Pediatric exercise science

authors： White DA,Willis EA,Panchangam C,Teson KM,Watson JS,Birnbaum BF,Shirali G,Parthiban A

更新日期：2020-09-22 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：: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：: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：:To determine absolute and relative (adjusted for body mass) strength, mean power, and mean velocity for upper and lower body resistance exercises, forty-seven young boys and girls participated in maximal strength testing. Healthy young boys and girls, ages 3- to 7-years old, were tested for one-repetition maximum (1-R...

journal_title：Pediatric exercise science

authors： Fry AC,Irwin CC,Nicoll JX,Ferebee DE

更新日期：2015-08-01 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：:Children differ from adults in many muscular performance attributes such as size-normalized strength and power, endurance, fatigability and the recovery from exhaustive exercise, to name just a few. Metabolic attributes, such as glycolytic capacity, substrate utilization, and VO2 kinetics also differ markedly between ...

journal_title：Pediatric exercise science

authors： Dotan R,Mitchell C,Cohen R,Klentrou P,Gabriel D,Falk B

更新日期：2012-02-01 00:00:00

abstract：:The aim of this investigation was to develop an equation to estimate physical activity energy expenditure (PAEE) during a 10-min physically active academic lesson using The System for Observing Fitness Instruction Time (SOFIT) and demographic information. PAEE (portable indirect calorimeter) and physical activity (SOF...

journal_title：Pediatric exercise science

authors： Honas JJ,Washburn RA,Smith BK,Greene JL,Cook-Wiens G,Donnelly JE

更新日期：2008-11-01 00:00:00

abstract：:In his seminal paper, Rowland clearly outlined the rationale, evidence, and implications for the biological control of physical activity. Ten years later, there has been some progress in this area related to childhood physical activity with perhaps the greatest progress being made in the areas of genetics and the neur...

journal_title：Pediatric exercise science

authors： Eisenmann JC,Wickel EE

更新日期：2009-08-01 00:00:00

abstract：:Our goal was to test the effect of a brief, novel bone- and fat-targeted exercise program on bone, muscle, and fat in healthy pre and peripubertal boys. We conducted a 10-min, 3/wk capoeira and jumping exercise intervention for 9 months with year 5 and 6 school boys. Anthropometrics, maturity, heart rate, blood pressu...

journal_title：Pediatric exercise science

authors： Nogueira RC,Weeks BK,Beck BR

更新日期：2015-02-01 00:00:00