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Youth athletic development

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https://www.readbyqxmd.com/read/30501461/youth-sports-specialization-does-practice-make-perfect
#1
Elizabeth Matzkin, Kirsten Garvey
In the United States, there has been a steady increase in sports participation across all age groups. An estimated 27 million youths between the ages of 6 and 18 years participate in team sports, and 60 million participate in some form of organized athletics. While there are great benefits from sports participation, early single sport specialization carries an increased risk of overuse injuries and burnout. Specialization has become increasingly popular among parents and coaches due to the common belief that it is the best way to develop an elite athlete...
December 3, 2018: NASN School Nurse
https://www.readbyqxmd.com/read/30486497/career-termination-of-portuguese-elite-football-players-comparison-between-the-last-three-decades
#2
António Carapinheira, Pedro Mendes, Pedro Guedes Carvalho, Miquel Torregrossa, Bruno Travassos
The aim of this study was to explore the process of career termination of elite soccer players, comparing the quality and the resources to support career termination over the last three decades. To this end, was developed a questionnaire defined by four sections: (a) biographical data, (b) athletic career, (c) quality of career termination and (d) available resources at the moment of career termination. Ninety male former elite Portuguese soccer players participated in this study. The results highlighted a decrease in the length of athletic career as football players and an increase in the number of years as youth players over the last 30 years...
November 28, 2018: Sports
https://www.readbyqxmd.com/read/30485313/the-magnitude-of-yo-yo-test-improvements-following-an-aerobic-training-intervention-are-associated-with-total-genotype-score
#3
C Pickering, J Kiely, B Suraci, D Collins
Recent research has demonstrated that there is considerable inter-individual variation in the response to aerobic training, and that this variation is partially mediated by genetic factors. As such, we aimed to investigate if a genetic based algorithm successfully predicted the magnitude of improvements following eight-weeks of aerobic training in youth soccer players. A genetic test was utilised to examine five single nucleotide polymorphisms (VEGF rs2010963, ADRB2 rs1042713 and rs1042714, CRP rs1205 & PPARGC1A rs8192678), whose occurrence is believed to impact aerobic training adaptations...
2018: PloS One
https://www.readbyqxmd.com/read/30482355/the-modern-landscape-of-sport-related-concussion-research-key-achievements-and-future-directions
#4
Breton M Asken, Dallas C Hack, Michael A McCrea
The study of contact and collision sport athletes at risk for concussion began approximately three decades ago. Since then, sport-related concussion (SRC) research across several medical specialties has helped to develop consensus guidelines for clinical management through interdisciplinary efforts. The modern landscape of SRC research includes large-scale investigations to define the natural history of concussion and identify factors that should guide prevention, diagnosis, and treatment specific to the individual patient...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30482354/the-evolving-landscape-of-policies-rules-and-law-in-sport-related-concussion
#5
John T Parsons, Christine Baugh
Beginning in 2009 with the passage of the Zackery Lystedt law in the state of Washington, all 50 states have passed concussion laws that implement a mandatory framework of care for high school and youth athletes. The structure of these laws generally shares the three primary components of the Lystedt law: (1) preseason concussion education; (2) mandatory removal from play with suspected concussion; and (3) clearance from a healthcare professional prior to return to play. These same three policy components are also found at the collegiate and professional levels of sport, either through established policy or labor contracts...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30468537/training-and-match-volume-and-injury-in-adolescents-playing-multiple-contact-team-sports-a-prospective-cohort-study
#6
Timothy B Hartwig, Tim J Gabbett, Geraldine Naughton, Craig Duncan, Simon Harries, Nicholas Perry
Training and competition loads have emerged as valuable injury risk factors but very few studies have explored injury outcomes in adolescent athletes. The aims of this study were to describe injuries and to explore the relationship between training and match load volumes and injury in adolescent athletes participating in multiple contact team sports. One hundred and three male youth rugby athletes aged 14 to 16 years from 8 rugby union teams were prospectively monitored during a season for weekly training and match volumes and injuries...
November 23, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/30429917/the-relative-age-effect-in-poland-s-elite-youth-soccer-players
#7
Krystian Rubajczyk, Andrzej Rokita
The relative age effect (RAE) is related to discrimination against youth athletes born in the last quarter of the calendar year. The current study presents research on the RAE in elite youth soccer players in Poland. Players in the Central Junior League (CLJ) finals represent 0.59% of the 25,756 players under 20 years old (U20). This study analyzed the post-game protocols of the CLJ knockout stage from the 2013/2014 and 2014/2015 seasons as well as the U17-U21 teams during 2015, including only players who played on the field for at least one minute (n = 395)...
September 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/30427242/the-influence-of-hamstring-muscle-peak-torque-and-rate-of-torque-development-for-sprinting-performance-in-football-players-a-cross-sectional-study
#8
Lasse Ishøi, Per Aagaard, Mathias F Nielsen, Kasper B Thornton, Kasper K Krommes, Per Hölmich, Kristian Thorborg
PURPOSE: This cross-sectional study aimed to investigate the association between hamstring muscle peak torque and rapid force capacity (rate of torque development: RTD) versus sprint performance in elite youth football players. METHODS: Thirty elite academy youth football players (16.75 ± 1.1 years, 176.9 ± 6.7 cm, 67.1 ± 6.9 kg) were included. Isometric peak torque (Nm/kg) and early (0-100 ms) and late (0-200 ms) phase RTD (RTD100 , RTD200 ) (Nm/s/kg) of the hamstring muscles were obtained as independent predictor variables...
November 14, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/30372657/the-use-of-an-intensive-physical-exertion-test-as-a-final-return-to-play-measure-in-concussed-athletes-a-prospective-cohort
#9
Cameron M Marshall, Nicole Chan, Pauline Tran, Carol DeMatteo
OBJECTIVES: To examine the utility of a novel physical exertion test developed by the Chicago Blackhawks medical staff as a final return to play (RTP) clearance test in youth and young adult athletes, and to determine the relationship between participant and test variables on RTP within asymptomatic athletes diagnosed with concussion. METHODS: Once asymptomatic and following completion of all RTP steps, concussed athletes underwent the Gapski-Goodman Test (GGT) or modified GGT (mGGT) at partnered Complete Concussion Management Inc...
October 29, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/30358700/seasonal-changes-in-the-physical-performance-of-elite-youth-female-soccer-players
#10
Stacey Emmonds, Tom Sawczuk, Sean Scantlebury, Kev Till, Ben Jones
Emmonds, S, Sawczuk, T, Scantlebury, S, Till, K, and Jones, B. Seasonal changes in the physical performance of elite youth female soccer players. J Strength Cond Res XX(X): 000-000, 2018-This study investigated the seasonal change in physical performance of 113 (Under 10: U10 [n = 20], U12 [n = 30], U14 [n = 31], and U16 [n = 32]) elite youth female soccer players. Players completed testing pre-, mid-, and post-season, including speed (10- and 30-m sprint), change of direction (CoD; 505 test), power (countermovement jump [CMJ]), strength (isometric midthigh pull), and aerobic capacity (Yo-Yo intermittent recovery test level 1 [YYIRL1])...
October 24, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/30358697/sprint-specific-training-in-youth-backward-running-vs-forward-running-training-on-speed-and-power-measures-in-adolescent-male-athletes
#11
Aaron Uthoff, Jon Oliver, John Cronin, Craig Harrison, Paul Winwood
Uthoff, A, Oliver, J, Cronin, J, Harrison, C, and Winwood, P. Sprint-specific training in youth: Backward running vs. forward running training on speed and power measures in adolescent male athletes. J Strength Cond Res XX(X): 000-000, 2018-This study compared the effects of 2 sprint-specific training programs against the natural development of speed, power, and stiffness in a group of adolescent male athletes. Forty-three male adolescents (aged 13-15 years) were randomly assigned to 1 of 2 training groups; backward running training (BRT = 26), or forward running training (FRT = 17)...
October 24, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/30354184/engaging-with-the-community-to-promote-physical-activity-in-urban-neighborhoods
#12
Janet A Deatrick, Heather Klusaritz, Rahshida Atkins, Ansley Bolick, Cory Bowman, Juan Lado, Krista Schroeder, Terri H Lipman
PURPOSE: To describe perceptions of physical activity, opinions, on intergenerational approaches to physical activity and a vision for increasing physical activity in an underresourced urban community. APPROACH: Focus groups embedded in a large Community-Based Participatory Research Project. SETTING: West and Southwest Philadelphia. PARTICIPANTS: 15 parents, 16 youth, and 14 athletic coaches; youth were 13 to 18 years old and attended West Philadelphia schools; parents' children attended West Philadelphia schools; and coaches worked in West Philadelphia schools...
October 24, 2018: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/30320928/toward-a-better-assessment-of-perceived-social-influence-the-relative-role-of-significant-others-on-young-athletes
#13
Derwin K C Chan, Richard J Keegan, Alfred S Y Lee, Sophie X Yang, Lei Zhang, Ryan E Rhodes, Chris Lonsdale
The purpose of this three-study paper was to develop and validate the Perceived Social Influence in Sport Scale-2 (PSISS-2) that aimed to resolve the limitations of PSISS-1 in assessing the relative social influence of significant others in youth sport. In Study 1, a pool of 60 items generated from revisiting a qualitative dataset about significant others of young athletes were examined by two expert panel reviews in terms of content validity, clarity, coverage, and age-appropriateness, leading to the development of 16 items of the PSISS-2...
October 15, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/30295657/autonomic-function-following-concussion-in-youth-athletes-an-exploration-of-heart-rate-variability-using-24-hour-recording-methodology
#14
Melissa Paniccia, Tim Taha, Michelle Keightley, Scott Thomas, Lee Verweel, James Murphy, Katherine Wilson, Nick Reed
Participation in organized sports makes a significant contribution to youth development, but places youth at a higher risk for sustaining a concussion. To date, return-to-activity decision-making has been anchored in the monitoring of self-reported concussion symptoms and neurocognitive testing. However, multi-modal assessments that corroborate objective physiological measures with traditional subjective symptom reporting are needed and can be valuable. Heart rate variability (HRV) is a non-invasive physiological indicator of the autonomic nervous system, capturing the reciprocal interplay between the sympathetic and parasympathetic nervous systems...
September 21, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/30279944/differences-in-speed-and-power-capacities-between-female-national-college-team-and-national-olympic-team-handball-athletes
#15
Lucas A Pereira, César C Cal Abad, Ronaldo Kobal, Katia Kitamura, Rita C Orsi, Rodrigo Ramirez-Campillo, Irineu Loturco
The aim of this study was to compare and examine differences in several neuromuscular assessments between female national Olympic team (Rio-2016) and national college team handball players (2015-Gwangju Summer Universiade). Twenty-eight elite female handball players of the national Brazilian Olympic (n = 12) and college (n = 16) teams participated in this study. The Olympic and college athletes performed the following speed-power tests assessing mean propulsive power (MPP) in loaded jump squat (JS) and bench press (BP) exercises, unloaded squat and countermovement jumps (SJ and CMJ), sprint performance over 5-, 10-, and 20-m, and change of direction ability in a standard Zig-zag test and a T-Test...
August 31, 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/30146363/bell-ringers-factors-related-to-concussive-events-in-children-playing-tackle-football
#16
Rayna B Hirst, Amie L Haas, Anna M Teague, L Taighlor Whittington, Eric Taylor
INTRODUCTION: Sports-related concussion is a significant pediatric health risk, given the number of children involved in sports and the vulnerability of developing brains. Although most research has focused on high school/college athletes, these findings may not be applicable to younger athletes. METHOD: A mixed-methods analysis examined concussion incidence and sequelae in a cohort of 8- to 13-year-old males (N = 31) playing youth football and their parents...
August 23, 2018: Journal of Pediatric Health Care
https://www.readbyqxmd.com/read/30138463/injury-incidence-in-elite-youth-field-hockey-players-at-the-2016-european-championships
#17
Laura-Anne M Furlong, Udo Rolle
Despite being an essential consideration when deciding rule changes, injury prevention strategies, and athlete development models, there is little epidemiological data of U18 field hockey player injuries-something explicitly referred to in the 2015 International Olympic Committee's Consensus Statement on Youth Athlete Development. The aim of this study was to quantify incidence and characteristics of injuries in elite youth field hockey players during a major international tournament. Standardized reporting forms detailing time, location on pitch, mechanism and anatomical location of injury were completed for new musculoskeletal conditions resulting in a time stoppage by the umpire and where a player was noticeably affected by an injury for up to 20 s regardless of time stoppage...
2018: PloS One
https://www.readbyqxmd.com/read/30116119/somatotype-hormone-levels-and-physical-fitness-in-elite-young-soccer-players-over-a-two-year-monitoring-period
#18
Mohammed A Hammami, Abderraouf Ben Abderrahman, Fatma Rhibi, Ammar Nebigh, Sullivan Coppalle, Guillaume Ravé, Zouhair Tabka, Hassane Zouhal
The effect of two soccer-training seasons on the growth, development and somatotype hormone concentrations of elite youth soccer players were evaluated. Eighteen elite soccer players and 18 age-matched non-athletic control subjects participated in the study. Anthropometric-measurements, aerobic and anaerobic performance tests and serum concentrations of insulin-like growth factor-1 (IGF-1), insulin-like growth factor binding protein-3 (IGFBP-3), and growth hormone (GH) were assessed at 5 time points across two competitive seasons...
September 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/30109948/normative-performance-on-the-balance-error-scoring-system-by-youth-high-school-and-collegiate-athletes
#19
Sarah J Ozinga, Susan M Linder, Mandy Miller Koop, Tanujit Dey, Richard Figler, Andrew N Russman, Richard So, Alan H Rosenthal, Jason Cruickshank, Jay L Alberts
CONTEXT:   Annually, more than 1 million youth athletes in the United States receive or are suspected of receiving a concussion. The Balance Error Scoring System (BESS) is the most commonly used clinical balance evaluation designed to provide a better understanding of the motor-control processes of individuals with concussion. Despite the widespread use of the BESS, a fundamental gap exists in applying this tool to young athletes, as normative values are lacking for this population...
July 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/30060623/the-effect-of-a-6-month-coach-educational-program-on-strengthening-coach-athlete-interpersonal-relationships-in-individual-youth-sport
#20
Ausra Lisinskiene
The purpose of this intervention study was to develop an educational program for coaches to strengthen the coach⁻athlete interpersonal relationship in individual youth sport. To obtain data in the qualitative interpretative phenomenology phase, 10 youth sports coaches took part in semi-structured, in-depth interviews. The educational program was developed by integrating psychological, educational and social skills into the educational coaching sessions. The program involved a detailed video analysis, theoretical classes, and individual consultations...
July 29, 2018: Sports
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