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https://www.readbyqxmd.com/read/29028625/difference-in-kick-motion-of-adolescent-soccer-players-in-presence-and-absence-of-low-back-pain
#1
Michio Tojima, Suguru Torii
Many adolescent soccer players experience low back pain (LBP). However, there are no reports studying the kick motion of adolescent soccer players experiencing LBP. This study aimed to clarify the kick motion of adolescent soccer players in the presence and absence of LBP. We recruited 42 adolescent soccer players and divided them into two groups according to the presence of LBP (LBP group, n=22) and absence of LBP (NBP group, n=20). We measured real-time kick motion using a three-dimensional motion analysis system...
October 7, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29023331/effects-of-plyometric-training-on-components-of-physical-fitness-in-prepuberal-male-soccer-athletes-the-role-of-surface-instability
#2
Yassine Negra, Helmi Chaabene, Senda Sammoud, Raja Bouguezzi, Bessem Mkaouer, Younés Hachana, Urs Granacher
Negra, Y, Chaabene, H, Sammoud, S, Bouguezzi, R, Mkaouer, B, Hachana, Y, and Granacher, U. Effects of plyometric training on components of physical fitness in prepuberal male soccer athletes: the role of surface instability. J Strength Cond Res XX(X): 000-000, 2017-Previous studies contrasted the effects of plyometric training (PT) conducted on stable vs. unstable surfaces on components of physical fitness in child and adolescent soccer players. Depending on the training modality (stable vs. unstable), specific performance improvements were found for jump (stable PT) and balance performances (unstable PT)...
October 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28993288/the-relationship-between-sacral-slope-and-symptomatic-isthmic-spondylolysis-in-a-cohort-of-high-school-athletes-a-retrospective-analysis
#3
Leigh F Hanke, Yetsa A Tuakli-Wosornu, Julian Harrison, Peter J Moley
BACKGROUND: Spondylolysis with and without anterolisthesis are the most common causes of structural back pain in children and adolescents, but few predictive factors have been confirmed. An association between abnormal sacro-pelvic orientation and both spondylolysis and spondylolisthesis has been supported in the literature. Sacral slope and other sacro-pelvic measurements are easily accessible variables that could aid clinicians in assessing active adolescents with low back pain, particularly when the diagnosis of spondylolysis is suspected...
October 6, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28977294/sleep-quality-and-its-association-with-psychological-symptoms-in-adolescent-athletes
#4
Gabriel Cordeiro Gomes, Muana Hiandra Pereira Dos Passos, Hítalo Andrade Silva, Valéria Mayaly Alves de Oliveira, Wbinayara Alves Novaes, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo
OBJECTIVE: To verify the prevalence of poor sleep quality and its association with personal characteristics and symptoms of depression, anxiety and stress in amateur adolescent athletes. METHODS: 309 adolescent athletes aged between 10 and 19 years were enrolled. Data collection included: a structured questionnaire, with personal information; the Pittsburgh Sleep Quality Index (PSQI); and the Depression, Anxiety and Stress Scale (DASS-21). Results are described in mean and standard deviation (numeric variables) and absolute and relative frequencies (categorical variables)...
July 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28975133/pectoralis-minor-contracture-in-throwing-shoulders-of-asymptomatic-adolescent-baseball-players
#5
Justin L Hodgins, William Rubenstein, David Kovacevic, Ajay Padaki, Charles M Jobin, Christopher S Ahmad
BACKGROUND: Although scapular malpositioning is commonly associated with rotational deficits and risk of injury, modifiable causes of such malpositioning in overhead athletes are not well described. PURPOSE/HYPOTHESIS: The purpose of this study was to examine the scapulothoracic profile of adolescent baseball players, specifically, pectoralis minor (PM) length. We hypothesized that PM would be shorter in throwing shoulders compared with nonthrowing shoulders. STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28971285/the-role-of-anabolic-androgenic-steroids-in-disruption-of-the-physiological-function-in-discrete-areas-of-the-central-nervous-system
#6
REVIEW
Giuseppe Bertozzi, Francesco Sessa, Giuseppe Davide Albano, Gabriele Sani, Francesca Maglietta, Mohsin H K Roshan, Giovanni Li Volti, Renato Bernardini, Roberto Avola, Cristoforo Pomara, Monica Salerno
Anabolic-androgenic steroids (AAS) abuse is often associated with a wide spectrum of adverse effects. These drugs are frequently abused by adolescents and athletes for esthetic purposes, as well as for improvement of their endurance and performances. In this literature review, we evaluated the correlation between AAS and anxiety or aggression. Two pathways are thought to be involved in AAS-induced behavioral disorders. Direct pathway via the amygdalo-fugal pathway, which connects the central nucleus of the amygdala to the brainstem, is involved in cognitive-emotive and homeostatic processes...
October 2, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28963803/resting-metabolic-rate-of-indian-junior-soccer-players-testing-agreement-between-measured-versus-selected-predictive-equations
#7
Keren Susan Cherian, Faaiza Shahkar, Ashok Sainoji, Nagalla Balakrishna, Venkata Ramana Yagnambhatt
OBJECTIVES: Owing to a dearth of research related to Resting Metabolic Rate (RMR) among adolescent athletes in India, our study aimed to document RMR among junior soccer players (JSP) and to identify suitable RMR predictive models for JSP from nine existing equations. METHODS: Forty Indian JSP (Boys = 21, Girls = 19) representing the under-12 and under-16 age categories were assessed for body composition (skinfold technique) and RMR (oxycon mobile). Two-way ANOVA and ANCOVA were used to examine the differences across age and sex...
September 30, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28963384/simultaneous-combined-complete-tear-of-radial-and-ulnar-collateral-ligaments-of-thumb-in-an-adolescent
#8
Anil K Bhat, Prajwal Prabhudev Mane, Ashwath Acharya, Sandesh Madi
Isolated tear of collateral ligaments of thumb are common but combined injuries of both radial and ulnar collateral ligaments are rare. These cases are reported in athletes involved in high-impact sports. Here, we report a case of a 15-year-old boy with pain at base of the thumb and instability following low-impact sporting activity. On subsequent clinicoradiological assessment, simultaneous combined complete tear of both radial and ulnar collateral ligaments of the thumb was noted. Delayed primary repair of both collateral ligaments was done...
September 28, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28958664/faster-stronger-healthier-adolescent-stated-reasons-for-dietary-supplementation
#9
Katja Zdešar Kotnik, Gregor Jurak, Gregor Starc, Petra Golja
OBJECTIVE: Examine the underlying reasons and sources of recommendation for dietary supplement (DS) use among adolescents. DESIGN: Cross-sectional analysis of children's development in Slovenia in September to October, 2014. SETTING: Nationally recruited sample. PARTICIPANTS: Adolescents aged 14-19 years enrolled in 15 high schools (n = 1,463). VARIABLES MEASURED: Reasons for and sources of recommendation for DS use, sports club membership, sports discipline, and extent of physical activity (PA) were self-reported data...
September 23, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28947608/infectious-diseases-associated-with-organized-sports-and-outbreak-control
#10
H Dele Davies, Mary Anne Jackson, Stephen G Rice
Participation in organized sports has a variety of health benefits but also has the potential to expose the athlete to a variety of infectious diseases, some of which may produce outbreaks. Major risk factors for infection include skin-to-skin contact with athletes who have active skin infections, environmental exposures and physical trauma, and sharing of equipment and contact with contaminated fomites. Close contact that is intrinsic to team sports and psychosocial factors associated with adolescence are additional risks...
October 2017: Pediatrics
https://www.readbyqxmd.com/read/28946537/the-posture-of-adolescent-male-handball-players-a-two-year-study
#11
Małgorzata Grabara
BACKGROUND: Young athletes at the stage of growth acceleration tend to exhibit increased susceptibility to postural abnormalities, especially in the trunk region. The aim of this study was to assess and compare the posture in male adolescent handball players over two years of regular training sessions. METHODS: The study group comprised 21 handball players. At the start of the study 15 participants were aged 14 and 6 participants were aged 15 (mean 14.25 ± 0.58)...
June 2, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28935680/cardiac-events-during-competitive-recreational-and-daily-activities-in-children-and-adolescents-with-long-qt-syndrome
#12
Kristina D Chambers, Virginie Beausejour Ladouceur, Mark E Alexander, Robyn J Hylind, Laura Bevilacqua, Douglas Y Mah, Vassilios Bezzerides, John K Triedman, Edward P Walsh, Dominic J Abrams
BACKGROUND: The 2005 Bethesda Conference Guidelines advise patients with long QT syndrome against competitive sports. We assessed cardiac event rates during competitive and recreational sports, and daily activities among treated long QT syndrome patients. METHODS AND RESULTS: Long QT syndrome patients aged ≥4 years treated with anti-adrenergic therapy were included. Demographics included mechanism of presentation, corrected QT interval pretreatment, symptom history, medication compliance, and administration of QT-prolonging medications...
September 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28933713/adaptations-associated-with-an-after-school-strength-and-conditioning-program-in-middle-school-aged-boys-a-quasi-experimental-design
#13
Brennan J Thompson, Matt S Stock, Jacob A Mota, Alexander S Drusch, Ryan N DeFranco, Tyler R Cook, Matthew A Hamm
Thompson, BJ, Stock, MS, Mota, JA, Drusch, AS, DeFranco, RN, Cook, TR, and Hamm, MA. Adaptations associated with an after-school strength and conditioning program in middle-school aged boys: a quasi-experimental design. J Strength Cond Res 31(10): 2840-2851, 2017-High-intensity strength and conditioning programs aimed at improving youth performance are becoming increasingly prevalent. The purpose of this study was to investigate the effects of a 16-week after-school strength and conditioning program on performance and body composition in middle-school-aged boys...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28915772/hypermobility-in-adolescent-athletes-pain-functional-ability-quality-of-life-and-musculoskeletal-injuries
#14
Heidi Schmidt, Trine Lykke Pedersen, Tina Junge, Raoul Engelbert, Birgit Juul-Kristensen
Study Design Cross-sectional. Background Generalized joint hypermobility (GJH) may increase pain and likelihood of injuries and also decrease function and health-related quality of life (HRQoL) in elite-level adolescent athletes. Objective To assess the prevalence of GJH in elite-level adolescent athletes, and to study the association of GJH with pain, function, HRQoL, and musculoskeletal injuries. Methods A total of 132 elite-level adolescent athletes (36 adolescent boys, 96 adolescent girls; mean ± SD age, 14...
October 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28904982/preseason-aerobic-fitness-predicts-in-season-injury-and-illness-in-female-youth-athletes
#15
Andrew Watson, Stacey Brickson, M Alison Brooks, Warren Dunn
BACKGROUND: Although preseason aerobic fitness has been suggested as a modifiable risk factor for injury in adult athletes, the relationship between aerobic fitness, injury, and illness in youth athletes is unknown. PURPOSE: To determine whether preseason aerobic fitness predicts in-season injury and illness risk in female adolescent soccer players. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: Fifty-four female adolescent soccer players underwent preseason evaluation to determine years of experience, body mass index (BMI), maximal aerobic capacity (VO2max), and time to exhaustion (Tmax) during cycle ergometer testing...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28904935/evaluation-of-dietary-intakes-body-composition-and-cardiometabolic-parameters-in-adolescent-team-sports-elite-athletes-a-cross-sectional-study
#16
Javad Hosseinzadeh, Zahra Maghsoudi, Behnood Abbasi, Pooya Daneshvar, Atefeh Hojjati, Reza Ghiasvand
BACKGROUND: Nutritional intake is an important issue in adolescent athletes. Proper athletes' performance is a multifactorial outcome of good training, body composition, and nutritional status. The aim of the present study was to assess nutritional status, body composition, and cardiometabolic factors in adolescent elite athlete's province of Isfahan, Iran. MATERIALS AND METHODS: In this cross-sectional study, 100 adolescent elite athletes from volleyball, basketball, and soccer teams were selected for the study...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28886923/the-effect-of-12-month-participation-in-osteogenic-and-non-osteogenic-sports-on-bone-development-in-adolescent-male-athletes-the-pro-bone-study
#17
Dimitris Vlachopoulos, Alan R Barker, Esther Ubago-Guisado, Francisco B Ortega, Peter Krustrup, Brad Metcalf, Jose Castro Pinero, Jonatan R Ruiz, Karen M Knapp, Craig A Williams, Luis A Moreno, Luis Gracia-Marco
OBJECTIVES: Research investigating the longitudinal effects of the most popular sports on bone development in adolescent males is scarce. The aim is to investigate the effect of 12-month participation in osteogenic and non-osteogenic sports on bone development. DESIGN: A 12-month study was conducted in adolescent males involved in football, swimming and cycling and compared with an active control group. METHODS: 116 adolescent males (13.1±0...
September 1, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28884738/-the-influence-of-physical-loads-on-the-functional-parameters-of-the-eyes-in-the-children-and-adolescents-regularly-engaged-in-sports-activities
#18
O V Yurova, D V Andjelova, A A Chayka
Myopia (short-sightedness) is the most common refractive disorder throughout the world prone to progression which is caused, inter alia, by violation of the working regime and resting conditions in the combination with the enhanced physical and psychological stresses. AIM: The objective of the present study was to evaluate the influence of the strenuous physical exercises on the visual analyzer in the children and adolescents regularly engaged in sports activities. MATERIAL AND METHODS: A total of 600 children and adolescents at the age from 8 to 17 years were recruited for the participation in the study...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28881110/endoscopic-spine-surgery
#19
REVIEW
Gun Choi, Chetan S Pophale, Bhupesh Patel, Priyank Uniyal
Surgical treatment of the degenerative disc disease has evolved from traditional open spine surgery to minimally invasive spine surgery including endoscopic spine surgery. Constant improvement in the imaging modality especially with introduction of the magnetic resonance imaging, it is possible to identify culprit degenerated disc segment and again with the discography it is possible to diagnose the pain generator and pathological degenerated disc very precisely and its treatment with minimally invasive approach...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28877167/measuring-dispositional-flow-validity-and-reliability-of-the-dispositional-flow-state-scale-2-italian-version
#20
Eleonora F M Riva, Giuseppe Riva, Cosimo Talò, Marco Boffi, Nicola Rainisio, Linda Pola, Barbara Diana, Daniela Villani, Luca Argenton, Paolo Inghilleri
OBJECTIVE: The aim of this study is to evaluate the psychometric properties of the Italian version of the Dispositional Flow Scale-2 (DFS-2), for use with Italian adults, young adults and adolescents. METHOD: In accordance with the guidelines for test adaptation, the scale has been translated with the method of back translation. The understanding of the item has been checked according to the latest standards on the culturally sensitive translation. The scale thus produced was administered to 843 individuals (of which 60...
2017: PloS One
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