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Strength training adolescent

Gulcan Harput, Hande Guney, Ugur Toprak, Tunca Kaya, Fatma Filiz Colakoglu, Gul Baltaci
CONTEXT:  Sport-specific adaptations at the glenohumeral joint could occur in adolescent athletes because they start participating in high-performance sports in early childhood. OBJECTIVE:  To investigate shoulder-rotator strength, internal-rotation (IR) and external-rotation (ER) range of motion (ROM), and acromiohumeral distance (AHD) in asymptomatic adolescent volleyball attackers to determine if they have risk factors for injury. DESIGN:  Cross-sectional study...
November 4, 2016: Journal of Athletic Training
Kelley George, Kelley Kristi, Pate Russell
AIM: Examine the effects of selected types of exercise (aerobic, strength training, both) on BMI z-score in overweight and obese children and adolescents. METHODS: Randomized exercise intervention trials ≥ 4 weeks were included. Studies were retrieved by searching six electronic databases, cross-referencing and expert review. Dual selection and abstraction occurred. Risk of bias and confidence in cumulative evidence were assessed. Network meta-analysis was performed using multivariate random-effects meta-regression models while surface under the cumulative ranking curves were used to calculate a hierarchy of exercise treatments...
August 30, 2016: Journal of Evidence-based Medicine
Jennifer M Ryan, Nicola Theis, Cherry Kilbride, Vasilios Baltzopoulos, Charlie Waugh, Adam Shortland, Grace Lavelle, Marika Noorkoiv, Wendy Levin, Thomas Korff
INTRODUCTION: Gait is inefficient in children with cerebral palsy, particularly as they transition to adolescence. Gait inefficiency may be associated with declines in gross motor function and participation among adolescents with cerebral palsy. Resistance training may improve gait efficiency through a number of biomechanical and neural mechanisms. The aim of the Strength Training for Adolescents with cerebral palsy (STAR) trial is to evaluate the effect of resistance training on gait efficiency, activity and participation in adolescents with cerebral palsy...
October 4, 2016: BMJ Open
Marisa E Hilliard, Priscilla W Powell, Barbara J Anderson
As members of multidisciplinary diabetes care teams, psychologists are well-suited to support self-management among youth with Type 1 diabetes (T1D) and Type 2 diabetes (T2D) and their families. Psychological and behavioral interventions can promote adherence to the complex and demanding diabetes care regimen, with the goals of promoting high quality of life, achieving optimal glycemic control, and ultimately preventing disease-related complications. This article reviews well-researched contemporary behavioral interventions to promote optimal diabetes family- and self-management and health outcomes in youth with T1D, in the context of key behavioral theories...
October 2016: American Psychologist
Tarik Ozmen, Mert Aydogmus
The aim of the present study was to investigate effect of core strength training (CST) on core endurance, dynamic balance and agility in adolescent badminton players. Twenty adolescent (age = 10.8 ± 0.3 years; height = 140.6 ± 4.4 cm, weight = 33.9 ± 5.8 kg) badminton players were randomly divided into two groups as training group (TG) and control (CG) group. All subjects were evaluated with Star Excursion Balance Test (SEBT), Illinois Agility Test, and the core endurance tests. The TG completed CST twice a week, for 6 weeks...
July 2016: Journal of Bodywork and Movement Therapies
Olivier Rey, Jean-Marc Vallier, Caroline Nicol, Charles-Symphorien Mercier, Christophe Maïano
PURPOSE: This study examined the effects of a five-week intervention combining vigorous interval training (VIT) with diet among twenty-four obese adolescents. Fourteen girls and ten boys (aged 14 to 15) schooled in a pediatric rehabilitation center participated. PURPOSE: The VIT intensity was targeted and remained above 80% of maximal heart rate (HR) and over six kilocalories per minute. Pre- and post-intervention measures were body composition (BMI, weight, body fat percentage), physical self-perceptions (PSP), physical fitness (six-minute walking distance and work) and its associated physiological responses (HRpeak and blood lactate concentration)...
September 6, 2016: Pediatric Exercise Science
Iván Rodríguez-Núñez, Ximena Navarro, Darwin Gatica, Carlos Manterola
INTRODUCTION: Respiratory muscle training is the most commonly used method to revert respiratory muscle weakness; however, the effect of protocols based on non-respiratory maneuvers has not been adequately studied in the pediatric population. The objective of this study was to establish the effect of abdominal muscle training on respiratory muscle strength and forced expiratory flows in healthy adolescents. METHODS: This was a quasi-experiment. The sample was made up of healthy adolescents divided into two groups: an experimental group who completed eight weeks of active abdominal muscle training, and an equivalent control group...
October 1, 2016: Archivos Argentinos de Pediatría
Falk Mersmann, Sebastian Bohm, Arno Schroll, Robert Marzilger, Adamantios Arampatzis
With the double stimulus of mechanical loading and maturation acting on the muscle-tendon unit, adolescent athletes might be at increased risk of developing imbalances of muscle strength and tendon mechanical properties. This longitudinal study aims to provide detailed information on how athletic training affects the time course of muscle-tendon adaptation during adolescence. In 12 adolescent elite athletes (A) and 8 similar-aged controls (C), knee extensor muscle strength and patellar tendon mechanical properties were measured over 1 yr in 3-mo intervals...
October 1, 2016: Journal of Applied Physiology
Carlos Andrés Lopera, Danilo Fernandes da Silva, Josiane Aparecida Alves Bianchini, João Carlos Locateli, Amanda Caroline Teles Moreira, Rafaela Pilegi Dada, David Thivel, Nelson Nardo
To compare water- versus land-based exercise programs, as part of a multidisciplinary intervention, on physical fitness and health-related quality of life in overweight and obese adolescents. A total of 151 overweight and obese adolescents (age: 13.2±1.8years) were divided into: 1) a water-based intervention (WB; n=28); 2) a land-based intervention (LB; n=57); and 3) a control group (CG; n=66). Anthropometric measures, body composition, flexibility, abdominal strength/endurance, cardiorespiratory fitness and health-related quality of life were assessed prior and by the end of a 16-week intervention...
October 15, 2016: Physiology & Behavior
Rachel Patrick, Josh McGinty, Ann Lucado, Beth Collier
BACKGROUND: Ulnar collateral ligament (UCL) tears and associated Tommy Johns surgical intervention from excessive and poor quality pitching has increased immensely-with more college and professional pitchers undergoing the surgery in 2014 alone than in the 1990s as a whole.(1) Faulty mechanics developed at young ages are often well-engrained by the late adolescent years and the minimal healing ability of the largely avascular UCL often leads to delayed safe return to sport.(2). PURPOSE: The purpose of this case study was to describe an innovative, multimodal approach to conservative management of a chronic UCL injury in a college-aged baseball pitcher...
August 2016: International Journal of Sports Physical Therapy
Boris Ullrich, Thiemo Pelzer, Sergio Oliveira, Mark Pfeiffer
Ullrich, B, Pelzer, T, Oliveira, S, and Pfeiffer, M. Neuromuscular responses to short-term resistance training with traditional and daily undulating periodization in adolescent elite judoka. J Strength Cond Res 30(8): 2083-2099, 2016-The influence of different periodization models on neuromuscular outcomes after short-term strength training periods has not been examined in adolescent athletes. Eleven elite judoka (age: 14.8 ± 0.6 years, height: 163.2 ± 7.5 cm, body mass: 57.3 ± 11.1 kg, 5 boys/6 girls, and strength training experience: 2...
August 2016: Journal of Strength and Conditioning Research
Alison L Calear, Jacqueline L Brewer, Philip J Batterham, Andrew Mackinnon, Peter A Wyman, Mark LoMurray, Fiona Shand, Dominique Kazan, Helen Christensen
BACKGROUND: The school system has been identified as an ideal setting for the implementation of prevention and early intervention programs for suicide. However, in Australia, suicide-prevention programs that are routinely delivered in the schools are lacking. Internationally, evidence exists for the effectiveness of peer-led interventions that take a social connectedness approach to improve help-seeking for suicide. The aim of the current trial is to test the effectiveness of the Sources of Strength program to promote help-seeking for suicide in adolescents in Australian high schools...
2016: Trials
Jason Moran, Gavin R H Sandercock, Rodrigo Ramírez-Campillo, César Meylan, Jay Collison, Dave A Parry
This meta-analysis investigated the maturation-related pattern of adaptations to resistance training in boy athletes. We included studies examining the effects of 4-16-week resistance training programmes in healthy boy athletes aged 10-18 years. Pooled estimates of effect size for change in strength across all studies (n = 19) were calculated using the inverse-variance random effects model for meta-analyses. Estimates were also calculated for groups based on likely biological maturity status ("before", "during" and "after" peak height velocity)...
July 25, 2016: Journal of Sports Sciences
Susan T Tran, Staci Thomas, Christopher DiCesare, Megan Pfeiffer, Soumitri Sil, Tracy V Ting, Sara E Williams, Gregory D Myer, Susmita Kashikar-Zuck
BACKGROUND: Adolescents with juvenile fibromyalgia (JFM) tend to be very sedentary and avoid participation in physical activity. A prior study suggested that JFM patients show altered biomechanics compared to healthy adolescents which may make them more prone to pain/injury during exercise. A new intervention combining well established cognitive behavioral therapy (CBT) techniques with specialized neuromuscular exercise -Fibromyalgia Integrative Training for Teens (FIT Teens) was developed and shown to be promising in improving functioning in adolescents with JFM...
2016: Pediatric Rheumatology Online Journal
L Aubree Shay, Richard L Street, Austin S Baldwin, Emily G Marks, Simon Craddock Lee, Robin T Higashi, Celette Sugg Skinner, Sobha Fuller, Donna Persaud, Jasmin A Tiro
OBJECTIVE: Although provider recommendation is a key predictor of HPV vaccination, how providers verbalize recommendations particularly strong ones is unknown. We developed a tool to describe strength and content of provider recommendations. METHODS: We used electronic health records to identify unvaccinated adolescents with appointments at six safety-net clinics in Dallas, Texas. Clinic visit audio-recordings were qualitatively analyzed to identify provider recommendation types (presumptive vs...
September 2016: Patient Education and Counseling
Bin Dong, Zhiqiang Wang, Luke Arnold, Yi Song, Hai-Jun Wang, Jun Ma
Increased body mass index (BMI) has been related to both low grip strength and high blood pressure (BP) in adolescents. Previous reports of high BP associated with decreased grip strength could be due to the inherent increase in BP in youths with high BMI. This cross-sectional study aimed to examine the association between grip strength and BP in adolescents independent of BMI. A total of 88 865 Chinese adolescents aged 13-17 years were included in this study. Sex-, age- and height-specific references were applied to calculate the BP z-score and define elevated BP...
July 7, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Pitre C Bourdon, Benjamin R Haines, Glen Deakin
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Joseph T Warning, Karin A Pfeiffer, Allie Diltz, James M Pivarnik
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Michele LaBotz, Bernard A Griesemer
Performance-enhancing substances (PESs) are used commonly by children and adolescents in attempts to improve athletic performance. More recent data reveal that these same substances often are used for appearance-related reasons as well. PESs include both legal over-the-counter dietary supplements and illicit pharmacologic agents. This report reviews the current epidemiology of PES use in the pediatric population, as well as information on those PESs in most common use. Concerns regarding use of legal PESs include high rates of product contamination, correlation with future use of anabolic androgenic steroids, and adverse effects on the focus and experience of youth sports participation...
July 2016: Pediatrics
Erick Richmond, Alan D Rogol
The impact of exercise training on the neuroendocrine control of the pituitary in the developing child is complex and the exact mechanisms are not fully understood. Multiple determinants influence adaptive hypothalamic-pituitary secretory responses to physical stress, namely, training intensity and duration, nutrition and energy balance, gender, age, sex, and sexual maturation status. The increase in growth hormone (GH) in response to acute exercise is dependent on pubertal status; children in more advanced pubertal stages respond with larger peak GH concentrations compared to those in earlier stages...
2016: Frontiers of Hormone Research
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