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Physical activity, adolescents

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https://www.readbyqxmd.com/read/28810853/acute-effects-of-reducing-sitting-time-in-adolescents-a-randomized-cross-over-study
#1
Anisse Penning, Anthony D Okely, Stewart G Trost, Jo Salmon, Dylan P Cliff, Marijka Batterham, Steven Howard, Anne-Maree Parrish
BACKGROUND: Levels of sitting among adolescents are high, especially during the school day. The acute cognitive and health consequences associated with prolonged sitting are poorly understood in adolescents. This randomized crossover design study examined the acute effects of a simulated school day with reduced sitting or usual sitting on adolescents' cognitive function and cardiometabolic biomarkers. METHODS: Eighteen healthy school aged adolescents were recruited from the community to the study (11 males; 7 females; mean age [SD] = 13...
August 15, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28809754/associations-of-built-environment-and-children-s-physical-activity-a-narrative-review
#2
Houshmand E Masoumi
PROBLEM: Childhood obesity has been an epidemic particularly in high-income countries. There is a considerable volume of data and studies depicting the rising number of obese children and adolescents in different countries. As suggested by the literature, physical inactivity is one the main drivers of childhood obesity. This paper addresses the associations of the built environment with physical activity of children in order to find to theoretically facilitate intervention and prevention measures...
August 15, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28806864/study-of-physical-function-in-adolescents-with-haemophilia-the-so-fit-study
#3
K Khair, M Holland, M Bladen, A Griffioen, P McLaughlin, S von Mackensen
INTRODUCTION: Contemporary haemophilia care demands Patient-Reported Outcomes. SO-FIT is a UK multi-centre study, assessing self-reported function, health-related quality of life (HRQoL) and joint health in boys with severe haemophilia. METHODS: Subjective physical function (PedHAL, HEP-Test-Q) and HRQoL (Haemo-QoL Short Form [SF]) were assessed alongside joint health using the objective Haemophilia Joint Health Score (HJHS v2.1). Demographic and clinical data were collected...
August 14, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28805953/factors-associated-with-physical-activity-among-adolescent-and-young-adult-survivors-of-early-childhood-cancer-a-report-from-the-childhood-cancer-survivor-study-ccss
#4
Katie A Devine, Ann C Mertens, John A Whitton, Carmen L Wilson, Kirsten K Ness, Jordan Gilleland Marchak, Wendy Leisenring, Kevin C Oeffinger, Leslie L Robison, Gregory T Armstrong, Kevin R Krull
OBJECTIVE: To evaluate concurrent and longitudinal associations between psychosocial functioning and physical activity in adolescent and young adult survivors of early childhood cancer. METHODS: Adolescent survivors of early childhood cancer (diagnosed before age four) participating in the Childhood Cancer Survivor Study completed the Coping Health and Illness Profile-Adolescent Edition (CHIP-AE; n=303; mean age at survey 17.6 years). A subset of these survivors (n=248) completed a follow-up survey an average of 6...
August 14, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28802917/aerobic-exercise-in-adolescence-results-in-an-increase-of-neuronal-and-non-neuronal-cells-and-in-mtor-overexpression-in-the-cerebral-cortex-of-rats
#5
Angélica Begatti Victorino, Fernando Tadeu Serra, Pâmella Pimentel Piñero, Alexandre Aparecido de Almeida, Glauber Menezes Lopim, Ivair Matias Junior, Helio Rubens Machado, Roberto Lent, Francisco Romero Cabral, Fernando Gomez-Pinilla, Ricardo Mario Arida, Sérgio Gomes da Silva
Better cognitive performance and greater cortical and hippocampal volume have been observed in individuals who undertook aerobic exercise during childhood and adolescence. One possible explanation for these beneficial effects is that juvenile physical exercise enables better neural development and hence more cells and neuronal circuitries. It is probable that such effects occur through intracellular signaling proteins associated with cell growth, proliferation and survival. Based on this information, we evaluated the number of neuronal and non-neuronal cells using isotropic fractionation and the expression and activation of intracellular proteins (ERK, CREB Akt, mTOR and p70S6K) in the cerebral cortex and hippocampal formation of the rats submitted to a physical exercise program on a treadmill during adolescence...
August 9, 2017: Neuroscience
https://www.readbyqxmd.com/read/28802301/sleep-duration-s-association-with-diet-physical-activity-mental-status-and-weight-among-korean-high-school-students
#6
Jounghee Lee
BACKGROUND AND OBJECTIVES: Sleep deprivation is a critical public health problem, especially in Korean adolescents. This study aimed to identify the association between sleep duration and dietary behaviors, physical activity, mental status, and nutritional status among high school students in South Korea. METHODS AND STUDY DESIGN: Based on the data collected from the 2014 Korea Youth Risk Behavior Web-based Survey, 31,407 high school students who met the inclusion criteria were selected and the association between sleep duration and selected health risk factors was identified using multivariable logistic regression models...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28800060/relationship-between-physical-activity-level-and-psychosocial-and-socioeconomic-factors-and-issues-in-children-and-adolescents-with-asthma-a-scoping-review
#7
Thomas Westergren, Sveinung Berntsen, Mette Spliid Ludvigsen, Hanne Aagaard, Elisabeth O C Hall, Yngvar Ommundsen, Lisbeth Uhrenfeldt, Liv Fegran
BACKGROUND: Asthma is a heterogeneous chronic airway disease which may reduce capability for physical activity. In healthy peers, physical activity is influenced by psychosocial and socioeconomic factors. Knowledge about the role of these factors has not been mapped in children and adolescents with asthma. OBJECTIVE: The main objective of this scoping review was to identify psychosocial and socioeconomic factors associated with physical activity level in children and adolescents with asthma in the literature...
August 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28799014/breakfast-habits-dairy-product-consumption-physical-activity-and-their-associations-with-body-mass-index-in-children-aged-6-18
#8
Tugba Koca, Mustafa Akcam, Filiz Serdaroglu, Selim Dereci
The purpose of this study was to determine breakfast habits, dairy product consumption, and physical activity and their relations with body mass index (BMI) in schoolchildren and adolescents. This cross-sectional, school-based study was performed with children aged 6-18 years. Height and weight were measured, and a BMI z-score was calculated for each child. Breakfast consumption frequency, intake of milk and other dairy products, physical activity habits, and mothers' employment status were assessed via a self-report questionnaire...
August 11, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28798039/physical-activity-during-adolescence-and-the-development-of-cam-morphology-a-cross-sectional-cohort-study-of-210-individuals
#9
Antony Palmer, Scott Fernquest, Mo Gimpel, Richard Birchall, Andrew Judge, John Broomfield, Julia Newton, Mark Wotherspoon, Andrew Carr, Sion Glyn-Jones
INTRODUCTION: Cam morphology is a strong risk factor for the development of hip pain and osteoarthritis. It is increasingly thought to develop in association with intense physical activity during youth; however, the aetiology remains uncertain. The study aim was to characterise the effect of physical activity on morphological hip development during adolescence. METHODS: Cross-sectional study of individuals aged 9-18 years recruited from Southampton Football Club Academy (103 male) with an age-matched control population (52 males and 55 females)...
August 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28795487/relation-of-oxygen-uptake-to-work-rate-in-prepubertal-healthy-children-reference-for-vo2-w-slope-and-effect-on-cardiorespiratory-fitness-assessment
#10
Tuomo Tompuri, Niina Lintu, Tomi Laitinen, Timo A Lakka
PURPOSE: Exercise testing by cycle ergometer allows to observe the interaction between oxygen uptake (VO2 ) and workload (W), and VO2 /W-slope can be used as a diagnostic tool. Respectively, peak oxygen uptake (VO2PEAK ) can be estimated by maximal workload. We aim to determine reference for VO2 /W-slope among prepubertal children and define agreement between estimated and measured VO2PEAK . METHODS: A total of 38 prepubertal children (20 girls) performed a maximal cycle ergometer test with respiratory gas analysis...
August 9, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28795013/management-of-diabetes-mellitus-in-children-and-adolescents-engaging-in-physical-activity
#11
REVIEW
Silpa Nadella, Justin A Indyk, Manmohan K Kamboj
Regular physical activity is an important component in the management of both type 1 and type 2 diabetes mellitus (T1DM and T2DM), as it has the potential to improve glycemic control, delay cardiovascular complications, and increase overall well-being. Unfortunately, many children and adolescents with diabetes do not partake in regular exercise and physical activity for multiple reasons. This review identifies the barriers to participation from the aspect of the patient, caregiver, and the healthcare provider...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28795012/chronic-kidney-disease-and-sports-participation-by-children-and-adolescents
#12
REVIEW
Vimal Master Sankar Raj, Dilip R Patel, Lakshmi Ramachandran
Individuals suffering from chronic kidney disease (CKD) deal with major morbidity and mortality including poor exercise tolerance. A variety of factors including anemia, poor muscle mass, cardiovascular changes and limited physical activity contribute to exercise intolerance. Studies suggest that early initiation of aerobic and resistance training improves the muscle function, ability to tolerate exercise and quality of life in CKD patients. A thorough medical examination and exercise testing are recommended before initiating an exercise regimen in individuals with CKD...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28795005/participation-in-sports-in-relation-to-adolescent-growth-and-development
#13
REVIEW
Kelly A Brown, Dilip R Patel, Daphne Darmawan
Puberty is defined by physical growth, development of secondary sexual characteristics, and maturation of psychosocial skills. The initiation and rate of progression of pubertal events varies among adolescents, but pubertal changes occur in a predictable stepwise manner. Factors including individual differences in physical and psychosocial development, stage of development based on age (early, middle, and late), and the rate of pubertal development, may all contribute to the way in which adolescents experience sports activities...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28794976/general-and-emotion-specific-alterations-to-cognitive-control-in-women-with-a-history-of-childhood-abuse
#14
Kristen L Mackiewicz Seghete, Roselinde H Kaiser, Anne P DePrince, Marie T Banich
BACKGROUND: Although limited, the literature suggests alterations in activation of cognitive control regions in adults and adolescents with a history of childhood abuse. The current study examined whether such alterations are increased in the face of emotionally-distracting as compared to emotionally neutral information, and whether such alterations occur in brain regions that exert cognitive control in a more top-down sustained manner or a more bottom-up transient manner. METHODS: Participants were young adult women (ages 23-30): one group with a history of childhood physical or sexual abuse (N = 15) and one with no trauma exposure (N = 17), as assessed through the Trauma History Questionnaire and a two-stage interview adapted from the National Crime Victims Survey...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28794209/phylloquinone-intake-is-associated-with-cardiac-structure-and-function-in-adolescents
#15
Mary K Douthit, Mary Ellen Fain, Joshua T Nguyen, Celestine F Williams, Allison H Jasti, Bernard Gutin, Norman K Pollock
Background: Associations between childhood vitamin K consumption and cardiac structure and function have not been investigated.Objective: We determined associations between phylloquinone (vitamin K-1) intake and left ventricular (LV) structure and function in adolescents.Methods: We assessed diet with three to seven 24-h recalls and physical activity (PA) by accelerometry in 766 adolescents (aged 14-18 y, 50% female, 49% black). Fat-free soft tissue (FFST) mass and fat mass were measured by dual-energy X-ray absorptiometry...
August 9, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28793946/training-primary-care-providers-in-the-use-of-motivational-interviewing-for-youth-behavior-change
#16
Monique K Vallabhan, Alberta S Kong, Elizabeth Yakes Jimenez, Linda C Summers, Conni J DeBlieck, Sarah W Feldstein Ewing
BACKGROUND AND PURPOSE: Adolescent obesity is a global epidemic. Motivational interviewing (MI) is a promising strategy to address adolescent obesity risk behaviors. However, primary care providers (PCPs) tend to express discomfort with learning and adopting MI practices and with addressing patient weight issues. PCP proficiency in using MI to discuss body mass index, health screening results, and nutrition and physical activity behaviors after receiving training and coaching from an MI expert and practicing the technique was evaluated...
August 1, 2017: Research and Theory for Nursing Practice
https://www.readbyqxmd.com/read/28792151/physical-activity-sedentary-habits-sleep-and-obesity-are-associated-with-asthma-allergic-rhinitis-and-atopic-dermatitis-in-korean-adolescents
#17
Man Sup Lim, Chang Hee Lee, Songyong Sim, Sung Kwang Hong, Hyo Geun Choi
PURPOSE: Since pathophysiologic evidence has been raised to suggest that obesity could facilitate an allergic reaction, obesity has been known as an independent risk factor for allergic disease such as asthma. However, the relationship between sedentary behavior and lifestyle which could lead to obesity, and those allergic diseases remains unclear. MATERIALS AND METHODS: We analyzed the relations between physical activity, including sitting time for study, sitting time for leisure and sleep time, and obesity, asthma, allergic rhinitis, and atopic dermatitis using the Korea Youth Risk Behavior Web-based Survey, which was conducted in 2013...
September 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28791978/comparison-of-obesity-overweight-and-elevated-blood-pressure-in-children-attending-public-and-private-primary-schools-in-benin-city-nigeria
#18
W E Sadoh, Y T Israel-Aina, A E Sadoh, J E Uduebor, M Shaibu, E Ogonor, F C Enugwuna
BACKGROUND: Overweight and obesity in children, and adolescents is on the rise globally. Affected children are prone to cardio-metabolic problems later in life, especially hypertension. The prevalence of obesity/overweight may differ depending on school type. Private schools are attended mostly by children of the affluent, while public schools are attended predominantly by those in the low and middle socio-economic classes. OBJECTIVE: To compare the prevalence of overweight, obesity and elevated blood pressure (BP) in pupils attending public and private primary schools in an urban community in Nigeria...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28789574/correlates-of-social-support-and-its-association-with-physical-activity-among-young-adolescents
#19
Monique Gill, Alec M Chan-Golston, Lindsay N Rice, Sarah E Roth, Catherine M Crespi, Brian L Cole, Deborah Koniak-Griffin, Michael L Prelip
BACKGROUND: A substantial proportion of adolescents, particularly girls and minority youth, fail to meet daily physical activity (PA) recommendations. Social support contributes to adolescent PA, but studies examining this relationship have yielded inconsistent results and rarely focus on diverse, urban populations. AIMS: This study examines the correlates of support for PA from family and friends and its relationship with PA outcomes among young adolescents. METHODS: Data were collected in a cross-sectional survey of 4,773 middle school students...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28782888/physical-activity-and-sedentary-time-associations-with-metabolic-health-across-weight-statuses-in-children-and-adolescents
#20
Nicholas Kuzik, Valerie Carson, Lars Bo Andersen, Luís B Sardinha, Anders Grøntved, Bjørge Herman Hansen, Ulf Ekelund
OBJECTIVE: The aim of this study was to examine the prevalence of metabolic health across weight statuses and the associations of physical activity and sedentary time within and across metabolic health-weight status groups. METHODS: Six studies (n = 4,581) from the International Children's Accelerometry Database were used. Sedentary time, light physical activity, and moderate to vigorous physical activity (MVPA) were accelerometer derived. Individuals were classified with normal weight (NW), overweight, or obesity...
August 7, 2017: Obesity
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