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Adolescents sport

Laurens De Cock, Jan Dauwe, Lukas A Holzer, Johan Bellemans
PURPOSE: Weight-bearing sports might influence the alignment of the lower extremities during growth. The relationship between participation in weight-bearing sports and the alignment of the lower extremities in adolescents has not been adequately studied yet. The aim of the study was to investigate whether sports participation during growth in early adolescence is correlated with the development of genu varum. METHODS: The design was a correlation study in which 1008 (564 boys, 444 girls) healthy adolescents (from 12 to 19 years of age) were recruited in secondary schools...
June 15, 2018: International Orthopaedics
Krishn Khanna, Abhinav Janghala, Nirav K Pandya
Background: Posterior hamstring harvest has been described in the adult population in a limited fashion, but no study is available describing the use of posterior hamstring harvest in an active pediatric and adolescent cohort. At times, surgeons may be faced with a challenging anterior harvest due to patient anatomic characteristics, particularly the anatomic features and size of the pes tendons. Clinicians need to have multiple harvest approaches at their disposal. Complications with hamstring harvest such as premature graft transection are more problematic in this population due to higher failure rates with allograft tissue...
June 2018: Orthopaedic Journal of Sports Medicine
Weicong Cai, Yang Gao, Wenda Yang, Fuyuan Cheng, Dongchun Tang, Liping Li
Physical activity (PA) promotion is beneficial to gain and maintain optimal health, but might increase risks for physical activity-related injury (PARI). This cross-sectional study aimed to investigate the incidence rate and identify risk factors of PARI among Chinese middle school students. Selected via the method of cluster random sampling, students graded 7⁻8 (junior) and 10⁻11 (senior) from five middle schools (aged from 10 to 18 years old) in Shantou were invited to participate in the survey. Information on socio-demography, PA involvement, sleep duration, individual safety awareness and exercise behavior, and PARI experiences in the past 12 month was collected...
June 12, 2018: International Journal of Environmental Research and Public Health
Haresh T Suppiah, Low Chee Yong, Gabriel Choong, Michael Chia
PURPOSE: The purpose of the research was to investigate the sport-specific performance effect of a brief afternoon nap on high-level Asian adolescent student-athletes that were habitually short sleepers. METHODS: In the studies, participants were randomly assigned to a nap or non-nap (reading) condition. In the first study, 12 male shooters (13.8 ± 1.0 yrs) performed a shooting assessment (20 competition shots) with heart rate variability monitored during the assessment...
June 12, 2018: International Journal of Sports Physiology and Performance
Corinne Sommi, Frances Gill, Jeffrey D Trojan, Mary K Mulcahey
OBJECTIVES: Despite evidence that strength and conditioning (S&C) programs decrease injury risk and increase sport performance, young females are rarely offered S&C programs comparable to those of their male counterparts. The purpose of this study was to evaluate the current body of available literature regarding S&C in adolescent female athletes, describe potential benefits, and generate recommendations for S&C programs for female adolescent athletes. METHODS: The systematic review was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
June 9, 2018: Physician and Sportsmedicine
Ismat Jabeen, Rukhsana Zuberi, Kashmira Nanji
OBJECTIVE: To determine physical activity level and its correlational factors among secondary school adolescents. METHODS: This cross-sectional study was conducted in two public and two private schools in Jamshed Town, Karachi, from March 2012 to June 2013, comprising students aged 10-17 years. The subjects, selected by simple random sampling were students of grades VI, VII, VIII. Physical activity was measured using the Physical Activity Questionnaire for older children...
May 2018: JPMA. the Journal of the Pakistan Medical Association
Lovro Štefan, Maroje Sorić, Antonela Devrnja, Vilko Petrić, Marjeta Mišigoj-Duraković
Background Little is known about the concurrent change in physical activity (PA), sedentary behavior (SB) and sport participation (SP) during adolescence. The main purpose of this prospective and partly objective study was to simultaneously investigate PA, SBs and SP changes between the 1st and 2nd grades of high school in urban adolescents. Methods In this 1-year follow-up study, the participants were 81 secondary-school students (28 boys and 53 girls) aged 15.5 years at the baseline. PA was assessed with the SenseWear Armband multi-sensor activity monitor, while SBs were assessed by using School Health Action, Planning and Evaluation System (SHAPES) PA questionnaire...
June 8, 2018: International Journal of Adolescent Medicine and Health
Knut Eirik Dalene, Sigmund A Anderssen, Lars Bo Andersen, Jostein Steene-Johannessen, Ulf Ekelund, Bjørge H Hansen, Elin Kolle
BACKGROUND: The aim of this study was to investigate how sleep, screen time, active school travel and sport and/or exercise participation associates with moderate-to-vigorous physical activity (MVPA) in nationally representative samples of Norwegian 9- and 15-y-olds, and whether these four behaviors at age nine predict change in MVPA from age nine to 15 years. METHOD: We pooled cross-sectional accelerometer and questionnaire data from 9- (n = 2366) and 15-y-olds (n = 1554) that participated in the first (2005/06) and second (2011/12) wave of the Physical Activity among Norwegian Children Study to investigate cross-sectional associations...
June 7, 2018: BMC Public Health
Rik B Kraan, Lisa Beers, Daan van de Pol, Joost G Daams, Mario Maas, P Paul Kuijer
INTRODUCTION: Posterior circumflex humeral artery (PCHA) aneurysm formation and thrombosis as overuse injury in the dominant shoulder can result in ischemia of the forearm, hand and digits due to arterial embolisms. Increased awareness among physicians is necessary as PCHA pathology (PCHAP) might be underdiagnosed. Knowledge of sports and professions at risk and risk-factors for obtaining PCHAP is essential for the development of future preventive measures. This study aims to identify sports and professions at risk as well as risk factors for PCHAP...
June 7, 2018: Journal of Sports Medicine and Physical Fitness
Kazuki Sato, Takuji Iwamoto, Noboru Matsumura, Taku Suzuki, Yuji Nishiwaki, Yoshinori Oka, Toshiyasu Nakamura
BACKGROUND: Costal osteochondral grafting is a technique to achieve anatomical and biological repair of articular defects. Some small series of clinical applications of this procedure for advanced osteochondritis dissecans of the humeral capitellum, with short-term follow-up, have been reported; however, longer-term outcomes remain unclear. The purpose of this study was to clarify longer-term clinical outcomes of costal osteochondral autografts in the treatment of advanced osteochondritis dissecans of the humeral capitellum...
June 6, 2018: Journal of Bone and Joint Surgery. American Volume
Jesper Bencke, Per Aagaard, Mette K Zebis
Young, adolescent female athletes are at particular high risk of sustaining a non-contact anterior cruciate ligament (ACL) injury during sport. Through the last decades much attention has been directed toward various anatomical and biomechanical risk factors for non-contact ACL injury, and important information have been retrieved about the influence of external loading factors on ACL injury risk during given sports-specific movements. However, much less attention has been given to the aspect of neuromuscular control during such movements and only sparse knowledge exists on the specific muscle activation patterns involved during specific risk conditions...
2018: Frontiers in Physiology
Tamara Valovich McLeod, R Curtis Bay, Kenneth C Lam, Alison R Snyder Valier
OBJECTIVE: Our purpose was to determine the association between concussion recovery and health-related quality of life (HRQOL). SETTING: Secondary school athletic training facilities. PARTICIPANTS: Patients (N = 122) with a concussion. STUDY DESIGN: Prospective, longitudinal cohort. MAIN MEASURES: The Pediatric Quality-of-Life Inventory (PedsQL), PedsQL Multidimensional Fatigue Scale (MFS), and Headache Impact Test-6 (HIT-6) were completed at preseason and days 3 (D3), 10 (D10), and 30 (D30) postconcussion...
May 31, 2018: Journal of Head Trauma Rehabilitation
Mark Jenkins, Sophia Nimphius, Nicolas H Hart, Paola Chivers, Timo Rantalainen, Kristina Rueter, Meredith L Borland, Fleur McIntyre, Katherine Stannage, Aris Siafarikas
Fracture incidence data of Australian children and adolescents have not been reported in the literature. A 10-year case review of fracture presentations in Western Australia is provided. Between 2005 and 2015, fracture incidence increased relative to population growth. This is concerning, and interventions are required to reverse this trend. PURPOSE: Fracture incidence in 0-16-year-olds is high and varies between countries. Boys have a 1.5:1 ratio of fracture incidence compared to girls...
June 2, 2018: Archives of Osteoporosis
Sophie Catharina Wintels, Dirk-Wouter Smits, Floryt van Wesel, Johannes Verheijden, Marjolijn Ketelaar
BACKGROUND: Participation in society can be difficult for adolescents with cerebral palsy (CP). Information is often based on quantitative studies, and little is known about their personal participation experiences. OBJECTIVE: The aim of this study was to examine the participation experiences of adolescents (aged 12-17 years) with CP. METHODS: A qualitative participatory research method was used. Twenty-three semi-structured open interviews were conducted with 13 male and 10 female adolescents (mean age 15 years) with CP...
June 1, 2018: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
Kara E Rudolph, Oleg Sofrygin, Nicole M Schmidt, Rebecca Crowder, M Maria Glymour, Jennifer Ahern, Theresa L Osypuk
BACKGROUND: Evidence suggests that aspects of the neighborhood environment may influence risk of problematic drug use among adolescents. Our objective was to examine mediating roles of aspects of the school and peer environments on the effect of receiving a Section 8 housing voucher and using it to move out of public housing on adolescent substance use outcomes. METHODS: We used data from the Moving to Opportunity (MTO) experiment that randomized receipt of a Section 8 housing voucher...
July 2018: Epidemiology
Kristen N Dovgan, Micah O Mazurek
Social interaction difficulties in children with autism spectrum disorder can be challenging, especially during adolescence. In addition, high rates of comorbid internalizing disorders in autism spectrum disorder can lead to social isolation. With limited social activity participation, social deficits and internalizing problems in autism spectrum disorder may be related to participation, exposure, and practice with friends. The purpose of this study was to evaluate the relations among friendship, activity participation, and internalizing problems...
May 1, 2018: Autism: the International Journal of Research and Practice
Julie P Burland, Regina O Kostyun, Kyle J Kostyun, Matthew Solomito, Carl Nissen, Matthew D Milewski
CONTEXT:   Multiple factors are likely associated with an adolescent athlete's ability to return to play after anterior cruciate ligament (ACL) reconstruction (ACLR). OBJECTIVE:   To investigate the relationship between self-reported and functional outcome measures on return-to-play timing in an adolescent population, in athletes who returned and those who did not return to sport, and to identify a cutoff value for isometric quadriceps strength that could serve as a clinical target for maximizing the odds of returning to play after ACLR...
May 30, 2018: Journal of Athletic Training
Louise L Hardy, Dafna Merom, Margaret Thomas, Louisa Peralta
OBJECTIVES: Muscular strength is an important component of fitness that enables the execution of a range of daily activities across the lifespan including sport participation. The purpose of this study was to examine changes in children's standing broad jump, an indicator of muscular strength, between 1985 and 2015. DESIGN: Two representative cross-sectional population surveys of Australian children age 9-15 years (n=7051). METHODS: In 1985 and 2015 children's standing broad jump (SBJ; cm) and anthropometry were measured by trained field teams...
May 17, 2018: Journal of Science and Medicine in Sport
Slawomir Kozie, Christiane Scheffler, Janina Tutkuviene, Egle Marija Jakimaviciene, Rebekka Mumm, Davide Barbieri, Elena Godina, Mortada El-Shabrawi, Mona Elhusseini, Martin Musalek, Paulina Pruszkowska-Przybylska, Hanaa H El Dash, Hebatalla Hassan Safar, Andreas Lehmann, James Swanson, Barry Bogin, Yuk-Chien Liu, Detlef Groth, Sylvia Kirchengast, Anna Siniarska, Joanna Nieczuja-Dwojacka, Miroslav Králík, Takashi Satake, Tomasz Hanć, Mathieu Roelants, Michael Hermanussen
Twenty-two scientists met at Krobielowice, Poland, to discuss the impact of the social environment, spatial proximity, migration, poverty, but also psychological factors such as body perception and satisfaction, and social stressors such as elite sports, and teenage pregnancies, on child and adolescent growth. The data analysis included linear mixed effects models with different random effects, Monte Carlo analyses, and network simulations. The work stressed the importance of the peer group, but also included historic material, some considerations about body proportions, and growth in chronic liver, and congenital heart disease...
April 2018: Pediatric Endocrinology Reviews: PER
Sumra Bari, Diana O Svaldi, Ikbeom Jang, Trey E Shenk, Victoria N Poole, Taylor Lee, Ulrike Dydak, Joseph V Rispoli, Eric A Nauman, Thomas M Talavage
Long term neurological impairments due to repetitive head trauma are a growing concern for collision sport athletes. American Football has the highest rate of reported concussions among male high school athletes, a position held by soccer for female high school athletes. Recent research has shown that subconcussive events experienced by collision sport athletes can be a further significant source of accrued damage. Collision sport athletes experience hundreds of subconcussive events in a single season, and these largely go uninvestigated as they produce no overt clinical symptoms...
May 25, 2018: Brain Imaging and Behavior
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