Vitamin D supplementation and upper respiratory tract infections in adolescent swimmers: a randomized controlled trial.

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

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 investigated the feasibility and reliability of a 12 × 25-m repeated sprint test with sprints starting every 25-s in children aged 6-8 years (36 boys, 41 girls). In all subjects, total sprint time (TST) demonstrated high test-retest reliability (ICC: r = .98; CV: 0.7% (95% CI: 0.6-0.9)). While sprint time v...

journal_title：Pediatric exercise science

authors： Temfemo A,Lelard T,Carling C,Mandengue SH,Chlif M,Ahmaidi S

更新日期：2011-11-01 00:00:00

abstract：:This essay expounds on fundamental, quantitative elements of the exercise ventilation in children, which was the subject of the Tom Rowland Lecture given at the NASPEM 2018 Conference. Our knowledge about how much ventilation rises during aerobic exercise is reasonably solid; our understanding of its governance is a w...

journal_title：Pediatric exercise science

authors： Pianosi PT

更新日期：2018-11-01 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 aims were to develop and validate a VO(2peak) prediction equation from a treadmill running test in active male adolescents. Eighty-eight athletes (12-18 yrs.) performed a maximal exercise test on a treadmill to assess the actual VO2peak and a 20m Shuttle-Run-Test (20mST). A step-wise linear regression analysis was...

journal_title：Pediatric exercise science

authors： Tsiaras V,Zafeiridis A,Dipla K,Patras K,Georgoulis A,Kellis S

更新日期：2010-11-01 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：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：: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：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 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：: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：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：: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：: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：: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：PURPOSE:Research regarding exercise-induced muscle-damage mainly focuses on adults. The present study examined exercise-induced muscle-damage responses in adults compared with children. METHOD:Eleven healthy boys (10-12 y) and 15 healthy men (18-45 y) performed 5 sets of 15 maximal eccentric contractions of the knee e...

journal_title：Pediatric exercise science

authors： Deli CK,Fatouros IG,Paschalis V,Georgakouli K,Zalavras A,Avloniti A,Koutedakis Y,Jamurtas AZ

更新日期：2017-08-01 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：:The modified Chrispin-Norman radiography score (CNS) is used in evaluation of radiographic changes in children with cystic fibrosis (CF). We evaluated the correlation of modified CNS with peak exercise capacity (Wpeak) and ventilatory efficiency (reflected by breathing reserve index-BRI) during progressive cardiopulmo...

journal_title：Pediatric exercise science

authors： Sovtic A,Minic P,Kosutic J,Markovic-Sovtic G,Gajic M

更新日期：2014-08-01 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 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：: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: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：: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：: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：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：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 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 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：: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