Convergent validity of a piezoelectric pedometer and an omnidirectional accelerometer for measuring children's physical activity.

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：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: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：:The Wingate anaerobic test (WAnT) has not been used to assess individuals with Down syndrome (DS) and it is unknown if it is reliable in this population. We investigated the reliability of the WAnT in 19 adolescents with DS (age = 14.8 yrs; weight = 52.7 kg; height = 146.3 cm). Participants completed, on separate days...

journal_title：Pediatric exercise science

authors： Guerra M,Gine-Garriga M,Fernhall B

更新日期：2009-02-01 00:00:00

abstract：PURPOSE:The use of self-efficacy to predict physical activity has a long history. However, this relationship is complex, as self-efficacy is thought to influence and be influenced by physical activity. The directionality of the self-regulatory efficacy (SRE) and physical activity relationship was examined using a cross...

journal_title：Pediatric exercise science

authors： Wilson KS,Spink KS

更新日期：2020-07-29 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：: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：: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：: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: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：: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：: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

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：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：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 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：: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：: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：: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：: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：: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：: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：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：: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：: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: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:The purpose of this study was to examine a new tool (PPPAS = Parent Perceptions of Physical Activity Scale-Preschool) developed to study parental perceptions of physical activity (PA) among parents of toddler and preschool age children. METHOD:143 children (mean age 31.65 months; 75% male) and their parents we...

journal_title：Pediatric exercise science

authors： Lakes KD,Abdullah MM,Youssef J,Donnelly JH,Taylor-Lucas C,Goldberg WA,Cooper D,Radom-Aizik S

更新日期：2017-08-01 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：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：: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