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Physical activity, adolescents

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https://www.readbyqxmd.com/read/29333996/energy-expenditure-and-intensity-of-active-video-games-in-children-and-adolescents
#1
Karina L R Canabrava, Fernanda R Faria, Jorge R P de Lima, Dartagnan P Guedes, Paulo R S Amorim
PURPOSE: This study aimed to compare the energy expenditure and intensity of active video games to that of treadmill walking in children and adolescents. METHOD: Seventy-two boys and girls (aged 8-13 years) were recruited from local public schools. Energy expenditure and heart rate were measured during rest, during 3-km/hr, 4-km/hr, and 5-km/hr walks, and during active games (Adventure, Boxing I, Boxing II, and Dance). During walking and active games, we also assessed physical activity using an accelerometer...
January 15, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29332758/prevalence-of-physical-activity-among-adolescents-in-southern-brazil
#2
Tiago Rodrigues de Lima, Diego Augusto Santos Silva
OBJETIVE: The aim of this study was to estimate the prevalence of low physical activity levels and to identify related factors (sociodemographic, lifestyle and body weight status) in adolescents. METHODS: The study included 1103 students aged 14-19 years from city of São José/SC, Brazil. Physical activity was assessed using a questionnaire that classified adolescents into those who meet recommendations and those who do not meet recommendations. Independent variables were gender, age, monthly household income, maternal education, balanced diet, number of physical education classes, sleep/day, tobacco use, excessive alcohol use, screen time and weight status...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29331404/reliability-and-validity-of-the-adapted-resistance-training-skills-battery-for-children
#3
Bonnie J Furzer, Marc D Bebich-Philip, Kemi E Wright, Siobhan L Reid, Ashleigh L Thornton
OBJECTIVES: Resistance training (RT) is emerging as a training modality to improve motor function and facilitate physical activity participation in children across the motor proficiency spectrum. Although RT competency assessments have been established and validated among adolescent cohorts, the extent to which these methods are suitable for assessing children's RT skills is unknown. This project aimed to assess the psychometric properties of the adapted Resistance Training Skills Battery for Children (RTSBc), in children with varying motor proficiency...
December 29, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29331096/promoting-physical-activity-and-improving-dietary-quality-of-singaporean-adolescents-effectiveness-of-a-school-based-fitness-and-wellness-program
#4
Claudine Loong, Latasha Leo, Danielle Goh, Pei Sin Lim, Wai Mun Loke
Limited data are available on the effectiveness of the school-based structured fitness and wellness program to influence dietary quality and physical activity levels in Singaporean adolescents. The study examined if a 20-h (over 10 weeks) school-based structured fitness and wellness module affects the diet quality indices, energy intakes, physical activity levels and the associated energy expenditures in a group of healthy, male adolescents with low diet quality and physical activity levels. Participant demography, anthropometry, dietary intake and daily physical activity were obtained at the beginning, mid-point and end of the 10-week program...
January 13, 2018: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/29329464/-the-use-of-social-networks-and-physical-activity-patterns-of-adolescents-in-obesity-therapy-a-sociodemographic-stratified-analysis
#5
Hagen Wulff, Petra Wagner
The improvement of existing obesity treatment for children and adolescents requires knowledge about social and personal conditions, individual needs, and life style. From particular importance are information about physical activity and media use, in order to target and adjust content and methods of therapy interventions. In 2013, 510 adolescents aged 11 to 17 years participated in a survey on above named factors. Physical activities were conducted with friends (64%) and in sport clubs (43%). Girls (OR 0.55) and children of unemployed parents (OR 0...
January 12, 2018: Die Rehabilitation
https://www.readbyqxmd.com/read/29329276/the-safety-of-the-neighborhood-environment-and-physical-activity-in-czech-and-polish-adolescents
#6
Josef Mitáš, Krzysztof Sas-Nowosielski, Dorota Groffik, Karel Frömel
(1) Background: An increase in or at least the sustainment of walking activities across a wide section of the population is a crucial health-related task for Central and East European countries. The aim of this study was to assess the associations between adolescents' walking activities and various levels of perceived safety of the built environment in differing socio-demographic backgrounds of Poland and the Czech Republic. Furthermore, we aimed to determine major moderators affecting the walking habits of adolescents in areas with different levels of walkability...
January 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29326196/young-adults-perspectives-on-living-with-kidney-failure-a-systematic-review-and-thematic-synthesis-of-qualitative-studies
#7
Phillippa K Bailey, Alexander J Hamilton, Rhian L Clissold, Carol D Inward, Fergus J Caskey, Yoav Ben-Shlomo, Amanda Owen-Smith
INTRODUCTION: Young adults fare worse than younger adolescents or older adults on a broad range of health indicators. Those with a chronic illness such as renal failure are a particularly vulnerable group, who experience poor outcomes compared with both children and older adults. Understanding how being in receipt of renal replacement therapy (RRT) affects the lives of young adults might help us to better prepare and support these individuals for and on RRT, and improve outcomes. This study aimed to synthesise research describing young adults' experiences of the psychosocial impact of kidney failure and RRT...
January 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29325578/effects-of-a-peer-led-walking-in-schools-intervention-the-wish-study-on-physical-activity-levels-of-adolescent-girls-a-cluster-randomised-pilot-study
#8
Angela Carlin, Marie H Murphy, Alan Nevill, Alison M Gallagher
BACKGROUND: School-based interventions may be effective at increasing levels of physical activity (PA) among adolescents; however, there is a paucity of evidence on whether walking can be successfully promoted to increase PA in this age group. This pilot study aimed to assess the effects of a 12-week school-based peer-led brisk walking programme on levels of school-time PA post intervention. METHODS: Female participants, aged 11-13 years, were recruited from six post-primary schools in Northern Ireland...
January 11, 2018: Trials
https://www.readbyqxmd.com/read/29325004/association-between-physical-exercise-and-psychosocial-problems-in-96-617-dutch-adolescents-in-secondary-education-a-cross-sectional-study
#9
J Kuiper, J Broer, J C van der Wouden
Background: Psychosocial problems negatively affect school performance, social skills and mental development. In recent years, researchers have investigated the relationship between physical activity and psychological health. With this large school-based study, we examined whether physically inactive adolescents and slightly active adolescents experience more psychosocial problems compared with active adolescents. Methods: This study is based on the Dutch National Youth Health Monitor...
January 8, 2018: European Journal of Public Health
https://www.readbyqxmd.com/read/29324820/incidence-and-prevalence-of-patellofemoral-pain-a-systematic-review-and-meta-analysis
#10
Benjamin E Smith, James Selfe, Damian Thacker, Paul Hendrick, Marcus Bateman, Fiona Moffatt, Michael Skovdal Rathleff, Toby O Smith, Pip Logan
BACKGROUND: Patellofemoral pain is considered one of the most common forms of knee pain, affecting adults, adolescents, and physically active populations. Inconsistencies in reported incidence and prevalence exist and in relation to the allocation of healthcare and research funding, there is a clear need to accurately understand the epidemiology of patellofemoral pain. METHODS: An electronic database search was conducted, as well as grey literature databases, from inception to June 2017...
2018: PloS One
https://www.readbyqxmd.com/read/29323690/premature-adrenarche
#11
Laura Novello, Phyllis W Speiser
Adrenarche is when a child's adrenal cortex starts to secrete adrenal androgen precursors. Dehydroepiandrosterone (DHEA) is the most abundant product of the adrenal cortex, and is a weak androgen agonist thought to be responsible for the clinical signs of pubarche by conversion to more potent androgens, testosterone, and dihydrotestosterone. DHEA's extra-adrenal sulfation product, dehydroepiandrosterone sulfate, is a stable marker for adrenal androgenic activity. Pubarche is the physical manifestation of androgenic hormone production, and includes the development of pubic and axillary hair, adult body odor, and acne...
January 1, 2018: Pediatric Annals
https://www.readbyqxmd.com/read/29322617/preview-prevention-of-diabetes-through-lifestyle-intervention-in-a-multicentre-study-in-europe-in-children-10-17y-design-methods-and-baseline-results
#12
Elke Dorenbos, Mathijs Drummen, Jesse Rijks, Tanja Adam, Pauline Stouthart, J Alfredo Martínez, Santiago Navas-Carretero, Gareth Stratton, Nils Swindell, Mikael Fogelholm, Anne Raben, Margriet Westerterp-Plantenga, Anita Vreugdenhil
Insulin resistance (IR) in adolescence is associated with T2DM. The PREVIEW study assesses the effectiveness of a high-protein, low-glycaemic index diet and moderate-protein, moderate-glycaemic index diet to decrease IR in insulin resistant children with overweight/obesity. Inclusion criteria were age 10-17y, HOMA-IR≥2.0 and overweight/obesity. In 126 children (13.6±2.2y, BMI z-score 3.04±0.66, HOMA-IR 3.48±2.28) anthropometrics, fat mass percentage (FM%), metabolic parameters, physical activity, food intake and sleep were measured...
January 11, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29321055/trends-and-correlates-of-overweight-obesity-in-czech-adolescents-in-relation-to-family-socioeconomic-status-over-a-12-year-study-period-2002-2014
#13
Erik Sigmund, Petr Badura, Dagmar Sigmundová, Jaroslava Voráčová, Jiří Zacpal, Michal Kalman, Jan Pavelka, Jana Vokacová, Vladimír Jr Hobza, Zdenek Hamrik
BACKGROUND: This study examined a) trends in overweight/obesity, moderate-to-vigorous physical activity (MVPA), and screen time (ST) among Czech adolescents over a 12-year study period (2002-2014) in relation to family affluence (FA) and b) correlates of adolescent overweight/obesity from different FA categories. METHODS: A nationally representative sample of 18,250 adolescents (51.4% girls) aged 10.5-16.5 years was drawn from the Czech Health Behaviour in School-aged Children questionnaire-based surveys in 2002, 2006, 2010, and 2014...
January 10, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29320971/the-effect-of-nutritional-intervention-on-the-lipid-profile-and-dietary-intake-of-adolescents-with-juvenile-systemic-lupus-erythematosus-a-randomized-controlled-trial
#14
S G L da Silva, M T Terreri, T T O Abad, D Machado, F L A Fonseca, S Hix, F I Suano-Souza, R O S Sarni, C A Len
Objective This study sought to evaluate the effects of a nutritional intervention on the lipid metabolism biomarkers associated with cardiovascular risk, and their variation over time, in juvenile systemic lupus erythematosus (JSLE) patients. This study also investigated the relationships between these biomarkers and dietary intake, nutritional status, disease variables, and medication used. Methods A total of 31 10- to 19-year-old female adolescents with JSLE for at least six months were analyzed. The participants were randomly allocated to two groups: nutritional intervention or control...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29320919/does-school-physical-education-really-contribute-to-accelerometer-measured-daily-physical-activity-and-non-sedentary-behaviour-in-high-school-students
#15
Daniel Mayorga-Vega, Alejandro Martínez-Baena, Jesús Viciana
Physical education has been highlighted as an important environment for physical activity promotion, however, to our knowledge there are no previous studies examining the contribution of physical education to daily accelerometer-measured physical activity and non sedentary behaviour. The purpose was to compare the accelerometer-measured physical activity and sedentary behaviour between physical education, non-physical education and weekend days in adolescents. Of the 394 students from a Spanish high school that were invited to participate, 158 students (83 boys and 75 girls) aged 13-16 years were analyzed (wear time ≥ 600 min)...
January 11, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29315958/what-leads-to-loneliness-an-integrative-model-of-social-motivational-and-emotional-approaches-in-adolescents
#16
Laura O Gallardo, Jose Martín-Albo, Angel Barrasa
Loneliness has been linked to many physical and mental health problems, especially during adolescence. From evolutionary, social needs, and cognitive approaches, this study examined whether emotional repair, relatedness need, and peer-rated indicators of relations behave in predicting loneliness, considering all approaches together. The sample consisted of 373 adolescents measured longitudinally at three time points. Results of a cross-lagged panel design found that, considering all the influences together, relatedness need showed the highest strength to predict loneliness...
January 9, 2018: Journal of Research on Adolescence: the Official Journal of the Society for Research on Adolescence
https://www.readbyqxmd.com/read/29315391/international-trends-in-bottom-end-inequality-in-adolescent-physical-activity-and-nutrition-hbsc-study-2002-2014
#17
Yekaterina Chzhen, Irene Moor, William Pickett, Emilia Toczydlowska, Gonneke W J M Stevens
Background: In spite of many positive trends that have emerged in the health of young people, adolescents from more affluent groups continue to experience more favourable health outcomes. There are no groups that are more vulnerable than those who report very poor ('bottom-end') indicators of health behaviour. The present study investigated the role of socio-economic factors as potential determinants of bottom-end health behaviours pertaining to physical activity and diet. Methods: Our analysis incorporated health data for some 700 000 15-year-old adolescents in 34 countries...
January 5, 2018: European Journal of Public Health
https://www.readbyqxmd.com/read/29314862/exploring-the-utility-of-cardiorespiratory-fitness-as-a-population-health-surveillance-indicator-for-children-and-youth-an-international-analysis-of-results-from-the-20-m-shuttle-run-test
#18
Justin J Lang
Emerging evidence has demonstrated the strong link between cardiorespiratory fitness and multiple aspects of health (i.e., physiological, physical, psychosocial, cognitive), independent of physical activity, among school-aged children and youth. Cardiorespiratory fitness is a trait that does not vary substantially from day-to-day, and provides an indication of recent physical activity levels, making it an important possible indicator of population health. Thus, the objective of this dissertation was to investigate the utility of cardiorespiratory fitness, measured using the 20-m shuttle run test, as a broad, holistic health indicator for population health surveillance among children and youth...
January 9, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29307776/body-fat-mass-lean-body-mass-and-associated-biomarkers-as-determinants-of-bone-mineral-density-in-children-6-8years-of-age-the-physical-activity-and-nutrition-in-children-panic-study
#19
Sonja Soininen, Virpi Sidoroff, Virpi Lindi, Anitta Mahonen, Liisa Kröger, Heikki Kröger, Jarmo Jääskeläinen, Mustafa Atalay, David E Laaksonen, Tomi Laitinen, Timo A Lakka
Lean body mass (LM) has been positively associated with bone mineral density (BMD) in children and adolescents, but the relationship between body fat mass (FM) and BMD remains controversial. Several biomarkers secreted by adipose tissue, skeletal muscle, or bone may affect bone metabolism and BMD. We investigated the associations of LM, FM, and such biomarkers with BMD in children. We studied a population sample of 472 prepubertal Finnish children (227 girls, 245 boys) aged 6-8years. We assessed BMD, LM, and FM using whole-body dual-energy x-ray absorptiometry and analysed several biomarkers from fasting blood samples...
January 4, 2018: Bone
https://www.readbyqxmd.com/read/29306560/treatment-of-growth-failure-in-the-absence-of-gh-signaling-the-ecuadorian-experience
#20
Jaime Guevara-Aguirre, Alexandra Guevara, Carolina Guevara
Recombinant human insulin-like growth factor-1 (rhIGF-1) treatment studies of growth failure in absence of growth hormone (GH) signaling (GH insensitivity -GHI, Laron syndrome -LS, GH Receptor deficiency -GHRD) have taken place in many locations around the globe. Results from these trials are comparable, and slight differences reported can be attributed to specific circumstances at different research sites. rhIGF-I treatment studies of GHI in Ecuador included various trials performed on children belonging to the largest and only homogeneous cohort of subjects with this condition in the world...
December 20, 2017: Growth Hormone & IGF Research
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