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Physical activity, adolescents

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https://www.readbyqxmd.com/read/29147750/the-association-between-childhood-fractures-and-adolescence-bone-outcomes-a-population-based-study-the-troms%C3%A3-study-fit-futures
#1
T Christoffersen, N Emaus, E Dennison, A-S Furberg, L Gracia-Marco, G Grimnes, O A Nilsen, D Vlachopoulos, A Winther, L A Ahmed
Childhood fracture may predict persistent skeletal fragility, but it may also reflect high physical activity which is beneficial to bone development. We observe a difference in the relationship between previous fracture and bone outcome across physical activity level and sex. Further elaboration on this variation is needed. PURPOSE: Childhood fracture may be an early marker of skeletal fragility, or increased levels of physical activity (PA), which are beneficial for bone mineral accrual...
November 16, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29144964/biocultural-approach-of-the-association-between-maturity-and-physical-activity-in-youth
#2
André O Werneck, Danilo R P Silva, Paul Collings, Rômulo A Fernandes, Enio R V Ronque, Manuel J Coelho-E-Silva, Luís B Sardinha, Edilson S Cyrino
OBJECTIVE: To test the biocultural model through direct and indirect associations between biological maturation, adiposity, cardiorespiratory fitness, sadness, social relationships, and physical activity in adolescents. METHODS: This was a cross-sectional study conducted with 1152 Brazilian adolescents aged between 10 and 17 years. Somatic maturation was estimated through Mirwald's method (peak height velocity). Physical activity was assessed through Baecke questionnaire (occupational, leisure, and sport contexts)...
November 13, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/29143071/cluster-of-risk-and-protective-factors-for-obesity-among-brazilian-adolescents
#3
Emanuella Gomes Maia, Larissa Loures Mendes, Adriano Marçal Pimenta, Renata Bertazzi Levy, Rafael Moreira Claro
OBJECTIVES: This study aims to identify and analyze clusters formed by risk and protective factors for obesity among Brazilian adolescents. METHODS: Cross-sectional data collected in a national representative sample of adolescents by the Brazilian National School Health Survey of 2012 were used (n = 109,104). Cluster analysis was applied to identify clusters involving dietary intake, eating behavior, physical activity and sedentary behaviors. Logistic regression was employed to contextualize the clusters according to students' sociodemographics and schools' characteristics...
November 15, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/29141484/cereal-fibre-intake-in-australia-a-cross-sectional-analysis-of-the-2011-12-national-nutrition-and-physical-activity-survey
#4
Eden M Barrett, Yasmine C Probst, Eleanor J Beck
Extensive evidence supports health benefits of cereal fibre, however globally no national intake data exists. This study aimed to determine estimates of intake and food sources of cereal fibre, and relationships to dietary fibre intake in an Australian sample population. A cereal fibre database was applied to dietary intake data from the 2011-12 National Nutrition and Physical Activity Survey (n = 12,153). Usual intake based on 2-day intake data was weighted to infer population results. Median daily cereal fibre intake was 6...
November 15, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/29140314/self-perceived-fatigue-in-adolescents-in-relation-to-body-composition-and-physical-outcomes
#5
Stijn Vantieghem, Ivan Bautmans, Jonathan Tresignie, Steven Provyn
BackgroundIncreased self-perceived fatigue (SpF) has already been identified in chronic conditions such as obesity, but it is also a growing problem in school-attending adolescents (±25%). This study tried to link body composition to SpF and physical activity/performance. Additionally, indicators for fatigue were determined.MethodsA total of 452 adolescents were recruited. Body composition was measured and physical activity, physical performance, and SpF were assessed. Based on the total SpF (Multidimensional Fatigue Inventory) outcomes, three groups were created: low fatigue (LF) medium fatigue (MF) and high fatigue (HF)...
November 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29137127/physical-activity-of-german-children-and-adolescents-2003-2012-the-momo-study
#6
Steffen C E Schmidt, Annette Henn, Claudia Albrecht, Alexander Woll
Organized and unorganized physical activity (PA) hold an important role in the daily life of children and adolescents. Regular representative tracking of PA in different settings is important to evaluate social trends and implemented interventions. In this paper, representative PA data of German children and adolescents from the MoMo Baseline-Study (2004, n = 4528) are compared to those of Wave 1 (2010, n = 3994). Participants aged 4-17 were drawn out of 167 sample points in Germany and the data was weighted to ensure representativeness...
November 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29136622/serum-transaminase-concentrations-and-the-presence-of-irritable-bowel-syndrome-are-associated-with-serum-25-hydroxy-vitamin-d-concentrations-in-adolescent-girls-who-are-overweight-and-obese
#7
Sayyed Saeid Khayyatzadeh, Hassanali Vatanparast, Amir Avan, Mohammad Bagherniya, Afsane Bahrami, Mohammad Ali Kiani, Hamidreza Bahrami-Taghanaki, Gordon A Ferns, Majid Ghayour-Mobarhan
BACKGROUND/AIMS: Vitamin D deficiency has become endemic globally and its etiology is complex. Few studies have investigated the determinants of serum 25-hydroxy vitamin D (25-OH D). The aim of this study was to investigate the association between lifestyle patterns, liver functional tests (LFTs), and the presence of irritable bowel syndrome (IBS) with serum 25-OH D in apparently healthy girls. METHODS: This cross-sectional study was undertaken in 965 adolescent girls aged 12-18 years...
November 14, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29136493/systems-thinking-and-simulation-modeling-to-inform-childhood-obesity-policy-and-practice
#8
Kenneth E Powell, Debra L Kibbe, Rachel Ferencik, Chris Soderquist, Mary Ann Phillips, Emily Anne Vall, Karen J Minyard
OBJECTIVES: In 2007, 31.7% of Georgia adolescents in grades 9-12 were overweight or obese. Understanding the impact of policies and interventions on obesity prevalence among young people can help determine statewide public health and policy strategies. This article describes a systems model, originally launched in 2008 and updated in 2014, that simulates the impact of policy interventions on the prevalence of childhood obesity in Georgia through 2034. METHODS: In 2008, using information from peer-reviewed reports and quantitative estimates by experts in childhood obesity, physical activity, nutrition, and health economics and policy, a group of legislators, legislative staff members, and experts trained in systems thinking and system dynamics modeling constructed a model simulating the impact of policy interventions on the prevalence of childhood obesity in Georgia through 2034...
November 2017: Public Health Reports
https://www.readbyqxmd.com/read/29136490/adopting-state-level-policy-to-support-physical-activity-among-school-aged-children-and-adolescents-georgia-s-shape-act
#9
Rodney S Lyn, Erica R Sheldon, Michael P Eriksen
Physical inactivity among children is a public health problem associated with low levels of fitness, obesity, and increased risk of chronic diseases. Public health experts have identified policies targeting physical activity as a promising strategy to address this challenge. Understanding the process by which such policies are adopted may help to facilitate progress nationally. To examine lessons learned from the passage of the Student Health and Physical Education Act in Georgia, we conducted 15 interviews with people engaged in the adoption of the act...
November 2017: Public Health Reports
https://www.readbyqxmd.com/read/29135646/foot-structure-and-function-in-habitually-barefoot-and-shod-adolescents-in-kenya
#10
Herje Aibast, Paul Okutoyi, Timothy Sigei, Walter Adero, Danny Chemjor, Neford Ongaro, Noriyuki Fuku, Kenn Konstabel, Carol Clark, Daniel E Lieberman, Yannis Pitsiladis
Habitually barefoot (HB) children from the Kalenjin tribe of Kenya are known for their high physical activity levels. To date, there has been no comprehensive assessment of foot structure and function in these highly active and HB children/adolescents and link with overuse injuries. PURPOSE: The aim of this research is to assess foot structure, foot function, injury and physical activity levels in Kenyan children and adolescents who are HB compared with those who were habitually shod (HS)...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29134053/motivational-antecedents-of-well-being-and-health-related-behaviors-in-adolescents
#11
Isabel Balaguer, Joan L Duda, Isabel Castillo
Grounded in the Achievement Goal Theory framework of motivation and optimal functioning, there were two objectives of this study: (a) to test a model hypothesizing links between personal theories of school achievement, indices of the quality of academic engagement, wellbeing, and health-related behaviors, and (b) to explore whether the hypothesized model was invariant across gender groups. A multisection questionnaire pack tapping the targeted variables was administered to 967 teenagers (475 boys and 492 girls) aged between 11 to 16 years old...
October 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29134046/relationships-between-physical-activity-levels-self-identity-body-dissatisfaction-and-motivation-among-spanish-high-school-students
#12
Pedro Antonio Sánchez-Miguel, Francisco Miguel Leo, Diana Amado, Juan José Pulido, David Sánchez-Oliva
The aim of this study was to examine the relationships between gender and the educational grade on the one hand, and physical activity levels, motivation, self-identity, body dissatisfaction, the intention to be physically active and daily sitting time on the other, in a sample of Spanish high school adolescents. The sample consisted of 2087 Spanish students from the 3rd (n = 1141) and 4th grade (n = 946), both male (n = 1046) and female (n = 1041), ranging in age from 15 to 17 years old (M = 15.42; SD = .86)...
October 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29133575/childhood-sports-participation-and-adolescent-sport-profile
#13
François Gallant, Jennifer L O'Loughlin, Jennifer Brunet, Catherine M Sabiston, Mathieu Bélanger
OBJECTIVES: We aimed to increase understanding of the link between sport specialization during childhood and adolescent physical activity (PA). The objectives were as follows: (1) describe the natural course of sport participation over 5 years among children who are early sport samplers or early sport specializers and (2) determine if a sport participation profile in childhood predicts the sport profile in adolescence. METHODS: Participants (n = 756, ages 10-11 years at study inception) reported their participation in organized and unorganized PA during in-class questionnaires administered every 4 months over 5 years...
November 13, 2017: Pediatrics
https://www.readbyqxmd.com/read/29131843/vertigo-and-dizziness-in-adolescents-risk-factors-and-their-population-attributable-risk
#14
Filipp M Filippopulos, Lucia Albers, Andreas Straube, Lucia Gerstl, Bernhard Blum, Thyra Langhagen, Klaus Jahn, Florian Heinen, Rüdiger von Kries, Mirjam N Landgraf
OBJECTIVES: To assess potential risk factors for vertigo and dizziness in adolescents and to evaluate their variability by different vertigo types. The role of possible risk factors for vertigo and dizziness in adolescents and their population relevance needs to be addressed in order to design preventive strategies. STUDY DESIGN: The study population consisted of 1482 school-children between the age of 12 and 19 years, who were instructed to fill out a questionnaire on different vertigo types and related potential risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/29131689/do-pedometers-with-or-without-education-on-exercise-increase-functional-walking-capacity-and-physical-activity-level-in-adolescents-with-juvenile-idiopathic-arthritis
#15
Jill Blitz, Sara M Stern, Katherine Marzan
To evaluate the impact of pedometer use on the physical activity (PA) and functional walking capacity (FWC) of adolescents with juvenile idiopathic arthritis (JIA) and lower extremity (LE) involvement. Twenty-seven adolescents, aged 11-19 years with JIA and LE involvement, participated in the three-phase pedometer study that introduced the use of a pedometer and an education seminar at 6 weeks. Measurements were taken at the baseline first visit and at weeks 6, 12, and 20. The primary outcome measure was the 6-minute walk test (6MWT)...
November 13, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29128195/-what-support-of-young-presenting-a-first-psychotic-episode-when-schooling-is-being-challenged
#16
M-N Vacheron, H Veyrat-Masson, E Wehbe
Psychiatric disorders (more specifically mood disorders and psychosis) represent the 1st cause of disability among young people. Unemployment rate between 75 to 95% for the person with schizophrenia. It is correlated to poor social integration and bad economic status, worse symptomatology loss of autonomy as well as global bad functioning. It is responsible of more than half of the overall cost of psychosis. The onset of most of psychiatric disorders occur between the age of 25 and 35 years old, a critical time in young adult life when they should build their professional as well as social future...
November 8, 2017: L'Encéphale
https://www.readbyqxmd.com/read/29121640/the-influence-of-physical-activity-sedentary-behavior-on-health-related-quality-of-life-among-the-general-population-of-children-and-adolescents-a-systematic-review
#17
Xiu Yun Wu, Li Hui Han, Jian Hua Zhang, Sheng Luo, Jin Wei Hu, Kui Sun
BACKGROUND: The association between physical activity, sedentary behavior and health-related quality of life in children and adolescents has been mostly investigated in those young people with chronic disease conditions. No systematic review to date has synthesized the relationship between physical activity, sedentary behavior and health-related quality of life in the general healthy population of children and adolescents. The purpose of this study was to review systematically the existing literature that evaluated the relations between physical activity, sedentary behavior and health-related quality of life in the general population of children and adolescents...
2017: PloS One
https://www.readbyqxmd.com/read/29120145/differences-in-health-promoting-lifestyle-profile-among-croatian-medical-students-according-to-gender-and-year-of-study
#18
Tonći Mašina, Tomislav Madžar, Vera Musil, Milan Milošević
Increasing awareness of healthy lifestyle is important during the period of adolescence because habits are difficult to modify in adulthood. The aim of the study was to examine gender differences in health-promoting lifestyle among medical students and to analyze changes between the first and second year of the study. This cross sectional study was conducted on a sample of 1186 students (36% male). Data were collected by self-administered anonymous questionnaire, the Health- Promoting Lifestyle Profile [HPLP II] (Adult Version), and analyzed by descriptive statistics and nonparametric tests...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29119810/changes-in-physical-fitness-of-a-home-based-physical-exercise-program-in-childhood-obesity-a-quasi-experimental-uncontrolled-study
#19
Juan Francisco Lisón, Alejandro Bruñó-Soler, Isabel Torró, Eva Segura-Ortí, Julio Alvarez-Pitti
Few studies have evaluated the changes in physical fitness (PF) of obese children and adolescents of a physical activity program for the treatment of obesity, and even fewer have explored the modality of home-based physical exercise. The objective of this study is to evaluate the changes in PF and body composition (BC) of a home-based physical exercise for treating childhood obesity. Thirty-three overweight/obese children and adolescents participated for six months in a home-based intervention that combined aerobics and muscular strength exercises...
June 2017: Journal of Child Health Care: for Professionals Working with Children in the Hospital and Community
https://www.readbyqxmd.com/read/29118718/the-practice-of-physical-activity-in-the-setting-of-lower-extremities-sarcomas-a-first-step-toward-clinical-optimization
#20
Mohamad Assi, Mickael Ropars, Amélie Rébillard
Lower-extremities sarcoma patients, with bone tumor and soft-tissue sarcoma, are a unique population at high risk of physical dysfunction and chronic heart diseases. Thus, providing an adequate physical activity (PA) program constitutes a primary part of the adjuvant treatment, aiming to improve patients' quality of life. The main goal of this paper is to offer clear suggestions for clinicians regarding PA around the time between diagnosis and offered treatments. These preliminary recommendations reflect our interpretation of the clinical and preclinical data published on this topic, after a systematic search on the PubMed database...
2017: Frontiers in Physiology
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