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Adolescent athletes

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https://www.readbyqxmd.com/read/28439310/syndesmosis-injuries-in-the-pediatric-and-adolescent-athlete-an-analysis-of-risk-factors-related-to-operative-intervention
#1
D E Kramer, M X Cleary, P E Miller, Y-M Yen, B J Shore
PURPOSE: To review all paediatric ankle syndesmotic injuries occurring at our institution and identify risk factors associated with operative intervention. METHODS: Among 22 873 evaluations for ankle trauma, we found 220 children suffering from syndesmotic injuries (incidence: 0.96%). We recorded demographic data, details of the injury, features on examination and treatment variables. Univariable and multivariable logistic regression modelling was performed to identify risk factors associated with operative intervention...
2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28439060/-calcium-and-bone-metabolism-across-women-s-life-stages-exercise-and-sport-to-increase-bone-strength-in-accordance-with-female-lifecycle
#2
Jun Iwamoto
Among females who require the strategies for preventing osteoporosis, appropriate exercise and sport through all their life are important to increase or maintain bone mass. However, the type of exercise and sport applied to females is different in accordance with the lifecycle. Jumping exercise increases bone mineral content(BMC)in prepubescent children(premenarcheal girls). Bone mineral density(BMD)is higher in adolescent athletes who are engaged in weight-bearing activities. Jumping exercise, muscle strengthening exercise, and weight-bearing plus muscle strengthening exercises increase BMD in young adults and premenopausal women...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28435337/treatment-strategies-for-the-female-athlete-triad-in-the-adolescent-athlete-current-perspectives
#3
REVIEW
Jill Thein-Nissenbaum, Erin Hammer
Since the passage of Title IX in 1972, female sports participation has dramatically increased. The benefits of physical activity, including decreased risk for heart disease and diabetes as well as improved body image and self-esteem, far outweigh the risks. However, a select population of adolescent and young adult females may experience symptoms related to the female athlete triad (Triad), which refers to the interrelatedness of energy availability, menstrual function, and bone mineral density (BMD). These conditions often manifest clinically as disordered eating behaviors, menstrual irregularity, and stress fractures; an individual may suffer from 1 or all of the Triad components simultaneously...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28429656/baseline-cognitive-test-performance-and-concussion-like-symptoms-among-adolescent-athletes-with-adhd-examining-differences-based-on-medication-use
#4
Nathan E Cook, Donna S Huang, Noah D Silverberg, Brian L Brooks, Bruce Maxwell, Ross Zafonte, Paul D Berkner, Grant L Iverson
OBJECTIVE: Youth with attention deficit hyperactivity disorder (ADHD) perform more poorly on preseason cognitive testing and report more baseline concussion-like symptoms but prior studies have not examined the influence of medication use on test performance or symptom reporting. This study investigated whether medication use is relevant when interpreting baseline ImPACT® results from student athletes with ADHD. METHOD: Participants were 39,247 adolescent athletes, ages 13-18 (mean age = 15...
April 21, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28420360/operative-versus-conservative-treatment-of-apophyseal-avulsion-fractures-of-the-pelvis-in-the-adolescents-a-systematical-review-with-meta-analysis-of-clinical-outcome-and-return-to-sports
#5
H Eberbach, L Hohloch, M J Feucht, L Konstantinidis, N P Südkamp, J Zwingmann
BACKGROUND: Avulsion fractures of the pelvic apophyses typically occur in adolescent athletes due to a sudden strong muscle contraction while growth plates are still open. The main goals of this systematic review with meta-analysis were to summarize the evidence on clinical outcome and determine the rate of return to sports after conservative versus operative treatment of avulsion fractures of the pelvis. METHODS: A systematic search of the Ovid database was performed in December 2016 to identify all published articles reporting outcome and return to preinjury sport-level after conservative or operative treatment of avulsion fractures of the pelvis in adolescent patients...
April 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28410998/a-retrospective-longitudinal-analysis-of-anthropometric-and-physical-qualities-that-associate-with-adult-career-attainment-in-junior-rugby-league-players
#6
Kevin Till, David Morley, John O'Hara, Ben L Jones, Chris Chapman, Clive B Beggs, Carlton Cooke, Stephen Cobley
OBJECTIVES: To retrospectively compare the longitudinal physical development of junior rugby league players between the Under 13 and 15 age categories in relation to their adult career attainment outcome. DESIGN: Retrospective longitudinal design. METHODS: Fifty-one former junior rugby league players were retrospectively grouped according to their career attainment outcome as adults (i.e., amateur, academy or professional). As juniors, players undertook a physical testing battery on three consecutive annual occasions (Under 13s, 14s, 15s) including height, body mass, sum of four skinfolds, maturation, vertical jump, medicine ball chest throw, 10-60m sprint, agility 505 and estimated V˙O2max ...
March 30, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28397355/sex-differences-in-athletic-performance-emerge-coinciding-with-the-onset-of-male-puberty
#7
David J Handelsman
BACKGROUND: Male performance in athletic events begins to exceed that of age-matched females during early adolescence but the timing of this divergence relative to the onset of male puberty and the rise of circulating testosterone remains poorly defined. DESIGN: This study is a secondary quantitative analysis of four published sources which aimed to define the timing of the gender divergence in athletic performance and relating it to the rise in circulating testosterone due to male puberty...
April 11, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28393557/recurrent-stingers-in-an-adolescent-football-player-dilemmas-of-return-to-play-a-case-report-and-review-of-the-literature
#8
Jason L Zaremski, MaryBeth Horodyski, Daniel C Herman
We present the case of a 16-year-old football linebacker with a history of recurrent stingers. Initial physical examination was normal as were cervical spine radiographs. MRI of the cervical spine revealed relative stenosis. Electrodiagnostic testing revealed chronic bilateral neurogenic changes of the superior trunk of the brachial plexus. A Kerr Collar was obtained to minimize head acceleration and force transmission through the neck. While there are return-to-play guidelines for recurrent stingers, there are inconsistencies with those recommendations...
April 10, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28389906/racial-disparities-in-concussion-knowledge-and-symptom-recognition-in-american-adolescent-athletes
#9
Jessica Wallace, Tracey Covassin, Ryan Moran
BACKGROUND: The purpose of this study was to identify if knowledge of concussion differences exists between communities that service underserved, African-American athletes compared to white athletes, and to explore differences in concussion knowledge between African-American and white athletes with and without access to an athletic trainer. METHODS: Five hundred seventy-seven adolescent athletes ranging in age from 13 to 18 from 14 schools in the USA completed a one-time pencil and paper survey instrument...
April 7, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28381107/impaired-cognitive-performance-in-youth-athletes-exposed-to-repetitive-head-impacts
#10
Inga Katharina Koerte, Elizabeth Nichols, Yorghos Tripodis, Vivian Schultz, Stefan Lehner, Randy Igbinoba, Alice Z Chuang, Michael Mayinger, Eliana Klier, Marc Muehlmann, David Kaufmann, Christian Lepage, Florian Heinen, Gerd Schulte-Koerne, Ross D Zafonte, Martha E Shenton, Anne B Sereno
BACKGROUND: Worldwide more than 22 million children and adolescents are exposed to repetitive head impacts (RHI) in soccer. Evidence indicates cumulative effects on brain structure, but it is not known whether exposure to RHI affects cognitive improvement in adolescents. To determine whether exposure to RHI while heading the ball in soccer affects improvement in cognitive performance in adolescents over time. METHODS: The study group consisted of a convenience sample of 16 male soccer players (mean age 15...
April 5, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28375966/simultaneous-bilateral-hip-arthroscopy-in-adolescent-athletes-with-symptomatic-femoroacetabular-impingement
#11
Mark O McConkey, Vivek Chadayammuri, Tigran Garabekyan, Stephanie W Mayer, Matthew J Kraeutler, Omer Mei-Dan
BACKGROUND: Femoroacetabular impingement represents a common cause of hip pain in adolescents. The purpose of the present study was to evaluate the safety and efficacy of simultaneous bilateral hip arthroscopy for bilateral symptomatic femoroacetabular impingement in adolescent athletes. METHODS: Clinical data were collected in a prospective database on patients who underwent unilateral or simultaneous bilateral hip arthroscopy and included complications, reoperation rate, and return to play time...
April 3, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28373617/the-reduction-and-direct-repair-of-isthmic-spondylolisthesis-using-the-smiley-face-rod-method-in-adolescent-athlete-technical-note
#12
Kazuta Yamashita, Kosaku Higashino, Toshinori Sakai, Yoichiro Takata, Fumio Hayashi, Fumitake Tezuka, Masatoshi Morimoto, Akihiro Nagamachi, Koichi Sairyo
Presently, lumbar spondylolisthesis did not have the indication of direct repair surgery because of the difficulty to reduce the slippage. In this report, we presented a case and described a minimally invasive direct repair surgery to reduce and repair the pars interarticularis defects of lumbar spondylolisthesis. First, curettage and removal of the synovium of the pars interarticularis and decompression of nerve root are conducted. Next, cancellous bone is harvested from the iliac crest. And then the Percutaneous Pedicle Screws are inserted bilaterally...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28373610/active-stretching-for-lower-extremity-muscle-tightness-in-pediatric-patients-with-lumbar-spondylolysis
#13
Masahiro Sato, Yasuyoshi Mase, Koichi Sairyo
BACKGROUND: It was reported that hamstring muscle tightness may increase mechanical loading on the lumbar spine. Therefore, we attempt to decrease tightness in the leg muscles in pediatric patients. METHODS: Forty-six pediatric patients with spondylolysis underwent rehabilitation. We applied active stretching to the hamstrings, quadriceps, and triceps surae. Tightness in each muscle was graded as good, fair, or poor. We educated each patient on how to perform active stretching at home...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28368321/sport-nutrition-knowledge-behaviors-and-beliefs-of-high-school-soccer-players
#14
Melinda M Manore, Megan M Patton-Lopez, Yu Meng, Siew Sun Wong
For adolescent athletes (14-18 years), data on sport nutrition knowledge, behaviors and beliefs are limited, especially based on sex, race/ethnicity and socioeconomic status. High school soccer players (n = 535; 55% female; 51% White, 41% Latino; 41% National School Lunch Program (NSLP) participants (80% Latino)) completed two questionnaires (demographic/health history and sport nutrition). The sport nutrition knowledge score was 45.6% with higher scores in NSLP-Whites vs. NSLP-Latinos (p < 0.01). Supplement knowledge differed by sex (16% lower in females; p = 0...
April 1, 2017: Nutrients
https://www.readbyqxmd.com/read/28365179/reliability-and-number-of-trials-of-y-balance-test-in-adolescent-athletes
#15
Pawel Linek, Damian Sikora, Tomasz Wolny, Edward Saulicz
BACKGROUND: The Star Excursion Balance Test (SEBT) is commonly used to evaluate dynamic equilibrium. The Y Balance Test (Y-BT) is a shortened version of the SEBT where a Y- Balance Kit is commonly used. To date, research concerning the protocol and reliability of the SEBT and Y-BT has been conducted only for adults. OBJECTIVES: The aim of the study was to assess the protocol (the necessary number of trials to stabilize the results) and reliability of the Y-BT in adolescent athletes...
March 27, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28350537/comparison-of-structured-and-unstructured-physical-activity-training-on-predicted-vo2max-and-heart-rate-variability-in-adolescents-a-randomized-control-trial
#16
Vivek Kumar Sharma, Senthil Kumar Subramanian, Krishnakumar Radhakrishnan, Rajathi Rajendran, Balasubramanian Sulur Ravindran, Vinayathan Arunachalam
BACKGROUND: Physical inactivity contributes to many health issues. The WHO-recommended physical activity for adolescents encompasses aerobic, resistance, and bone strengthening exercises aimed at achieving health-related physical fitness. Heart rate variability (HRV) and maximal aerobic capacity (VO2max) are considered as noninvasive measures of cardiovascular health. The objective of this study is to compare the effect of structured and unstructured physical training on maximal aerobic capacity and HRV among adolescents...
March 28, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28347719/controlling-coaching-and-athlete-thriving-in-elite-adolescent-netballers-the-buffering-effect-of-athletes-mental-toughness
#17
Daniel F Gucciardi, Andreas Stamatis, Nikos Ntoumanis
OBJECTIVES: The purposes of this study were to examine the association between controlling coach behaviours and athlete experiences of thriving and test the buffering effect of mental toughness on this relation. DESIGN: A cross-sectional survey. METHODS: In total, 232 female netballers aged 11 to 17 years (14.97+1.52) with between 1 and 15 years of experience in their sport (7.50+2.28) completed measures of controlling coach interpersonal style, mental toughness and thriving...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28344731/review-of-physical-activity-benefits-and-potential-considerations-for-individuals-with-surgical-fusion-of-spine-for-scoliosis
#18
EDITORIAL
Rumit Singh Kakar, Kathy J Simpson, Bhibha M DAS, Cathleen N Brown
Evidence-based recommendations for physical activity following spinal fusion surgeries for idiopathic scoliosis are limited, specifically in the adolescent population. Individuals with scoliosis treated operatively or non-operatively have been reported to participate in less than 1-3 days/week of even mildly strenuous physical exercises. Over 40% of individuals with scoliosis returned to sports at a level lower than pre-operative participation levels or did not return at all post spinal fusion. It is particularly important for human movement specialists, such as physical therapists, occupational therapists, athletic trainers and kinesiologists to assist these individuals effectively transition to and maintain engagement in physical activity...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28344676/transmitting-sport-values-the-importance-of-parental-involvement-in-children-s-sport-activity
#19
Francesca Danioni, Daniela Barni, Rosa Rosnati
The transmission of positive values between parents and children is generally considered to be the hallmark of successful socialization. As this issue has been widely discussed but surprisingly little researched - especially with reference to core sport values - in this study we aimed to: 1) analyze adolescent athletes' acceptance of the sport values their parents want to transmit to them (i.e., parental socialization values) and 2) examine the relationship between parental involvement in children's sportive activity and adolescents' acceptance of their parents' socialization values...
March 2017: Europe's journal of psychology
https://www.readbyqxmd.com/read/28344461/within-session-sequence-of-balance-and-plyometric-exercises-does-not-affect-training-adaptations-with-youth-soccer-athletes
#20
Mehdi Chaouachi, Urs Granacher, Issam Makhlouf, Raouf Hammami, David G Behm, Anis Chaouachi
The integration of balance and plyometric training has been shown to provide significant improvements in sprint, jump, agility, and other performance measures in young athletes. It is not known if a specific within session balance and plyometric exercise sequence provides more effective training adaptations. The objective of the present study was to investigate the effects of using a sequence of alternating pairs of exercises versus a block (series) of all balance exercises followed by a block of plyometric exercises on components of physical fitness such as muscle strength, power, speed, agility, and balance...
March 2017: Journal of Sports Science & Medicine
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