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Youth maturation

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https://www.readbyqxmd.com/read/29146566/improving-transition-to-employment-for-youth-with-physical-disabilities-protocol-for-a-peer-electronic-mentoring-intervention
#1
Sally Lindsay, Jennifer Stinson, Mary Stergiou-Kita, Joanne Leck
BACKGROUND: Although youth with disabilities have much to gain from employment readiness programs, they are often excluded from or have limited access to vocational programs. One encouraging approach to address gaps in vocational programming is through peer electronic mentoring (e-mentoring), which may facilitate a smoother transition to adulthood by offering support to enhance coping skills. Despite the increase in online communities, little is known about their impact on vocational mentoring for youth with physical disabilities and their parents...
November 16, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29144964/biocultural-approach-of-the-association-between-maturity-and-physical-activity-in-youth
#2
André O Werneck, Danilo R P Silva, Paul Collings, Rômulo A Fernandes, Enio R V Ronque, Manuel J Coelho-E-Silva, Luís B Sardinha, Edilson S Cyrino
OBJECTIVE: To test the biocultural model through direct and indirect associations between biological maturation, adiposity, cardiorespiratory fitness, sadness, social relationships, and physical activity in adolescents. METHODS: This was a cross-sectional study conducted with 1152 Brazilian adolescents aged between 10 and 17 years. Somatic maturation was estimated through Mirwald's method (peak height velocity). Physical activity was assessed through Baecke questionnaire (occupational, leisure, and sport contexts)...
November 13, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/29130575/a-prospective-investigation-to-evaluate-risk-factors-for-lower-extremity-injury-risk-in-male-youth-soccer-players
#3
Paul J Read, Jon L Oliver, Mark B A De Ste Croix, Gregory D Myer, Rhodri S Lloyd
There is an inherent risk of injury in male youth football; however, pertinent risk factors for injury have yet to be examined. This study used a prospective cohort design with 357 elite male youth football players (aged 10-18 years) assessed during the pre-season period and then monitored during the season recording all non-contact lower extremity injuries. Screening tests included: single leg hop for distance (SLHD); 75% of maximum hop and stick (75%Hop); single leg countermovement jump (SLCMJ); and the tuck jump assessment (TJ)...
November 11, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29125519/advanced-skeletal-maturity-in-children-and-adolescents-with-myelomeningocele
#4
Ronald Roiz, Nicole M Mueske, Alexander Van Speybroeck, Deirdre D Ryan, Vicente Gilsanz, Tishya A L Wren
PURPOSE: Atypical skeletal development is common in youth with myelomeningocele (MM), though the underlying reasons have not been fully elucidated. This study assessed skeletal maturity in children and adolescents with MM and examined the effects of sex, age, sexual development, ethnicity, anthropometrics and shunt status. METHODS: Forty-three males and 35 females with MM, 6-16 years old, underwent hand radiographs for bone age determination. The difference between bone age and chronological age was evaluated using Wilcoxon sign rank tests...
October 20, 2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/29121215/trabecular-bone-morphology-correlates-with-skeletal-maturity-and-body-composition-in-healthy-adolescent-girls
#5
Deborah M Mitchell, Signe Caksa, Amy Yuan, Mary L Bouxsein, Madhusmita Misra, Sherri-Ann M Burnett-Bowie
Context: Growth in healthy children is associated with changes in bone density and microarchitecture. Trabecular morphology is an additional important determinant of bone strength, but little is currently known about trabecular morphology in healthy young people. Objective: To investigate associations of trabecular morphology with increasing maturity and with body composition in healthy girls. Design: Cross-sectional study. Setting: Academic research center...
November 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29082464/tanner-whitehouse-skeletal-ages-in-male-youth-soccer-players-tw2-or-tw3
#6
Robert M Malina, Manuel J Coelho-E-Silva, António J Figueiredo, Renaat M Philippaerts, Norikazu Hirose, Maria Eugenia Peña Reyes, Giulio Gilli, Andrea Benso, Roel Vaeyens, Dieter Deprez, Luiz F Guglielmo, Rojapon Buranarugsa
BACKGROUND: The Tanner-Whitehouse radius-ulna-short bone protocol (TW2 RUS) for the assessment of skeletal age (SA) is widely used to estimate the biological (skeletal) maturity status of children and adolescents. The scale for converting TW RUS ratings to an SA has been revised (TW3 RUS) and has implications for studies of youth athletes in age-group sports. OBJECTIVES: The aim of this study was to compare TW2 and TW3 RUS SAs in an international sample of male youth soccer players and to compare distributions of players by maturity status defined by each SA protocol...
October 29, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29048454/are-the-school-prevention-programmes-aimed-at-de-normalizing-smoking-among-youths-beneficial-in-the-long-term-an-example-from-the-smoke-free-class-competition-in-italy
#7
V Zagà, F Giordano, P Gremigni, D L Amram, A De Blasi, M Amendola, J F Osborn, M S Cattaruzza
Tobacco smoking by young people is of great concern because it usually leads to regular smoking, nicotine addiction and quitting difficulties. Young people "hooked" by tobacco maintain the profits of the tobacco industry by replacing smokers who quit or die. If new generations could be tobacco-free, as supported by tobacco endgame strategies, the tobacco epidemic could end within decades. Smoking prevention programmes for teens are offered by schools with the aim to prevent or delay smoking onset. Among these, the Smoke Free Class Competition (SFC) was widely implemented in Europe...
November 2017: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/29034963/does-the-effect-of-justice-system-attitudes-on-adolescent-crime-vary-based-on-psychosocial-maturity
#8
Adam Fine, Kevin T Wolff, Michael T Baglivio, Alex R Piquero, Paul J Frick, Laurence Steinberg, Elizabeth Cauffman
Adolescents who view the justice system negatively are prone to commit crime. Simultaneously, youth who have difficulty regulating their behavior are likely to commit crime. Using a longitudinal sample of 1,216 male adolescents (ages 13-17) who had been arrested for the first time, were racially/ethnically diverse, and were drawn from three U.S. states, this study incorporated a developmental perspective into the procedural justice framework to examine whether psychosocial immaturity moderated the effect of justice system attitudes on youth crime...
October 16, 2017: Child Development
https://www.readbyqxmd.com/read/29031035/-controversy-in-the-postoperative-treatment-of-low-grade-gliomas
#9
T Kazda, R Lakomý, A Poprach, P Pospíšil, R Jančálek, P Šlampa
BACKGROUND: The optimal treatment for low-grade gliomas remains controversial. Neurosurgery, radiotherapy, and chemotherapy are the main treatment options. Despite advances in oncology, there are still a lot of uncertainties, and the optimal sequences, combinations, and timings of these procedures have not yet been optimized. It is still unclear whether temozolomide can replace effective, but toxic PCV chemotherapy (procarbazine, lomustine, vincristine) and whether temozolomide can be used upfront alone instead of radiotherapy alone...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29020818/can-we-hasten-development-effects-of-treatment-on-psychosocial-maturity
#10
Christina L Riggs Romaine, Kathleen Kemp, Christy L Giallella, Naomi E S Goldstein, Jennifer Serico, Sharon Kelley
Research continues to highlight factors associated with developmental immaturity, including persistent delinquency. This article examines whether aspects of developmental immaturity, psychosocial maturity, and emotion regulation are responsive to therapeutic intervention. Fifty-seven female youth in secure residential juvenile justice facilities participated in a randomized controlled trial of the Juvenile Justice Anger Management (JJAM) Treatment for Girls, an intervention that targets skills relevant to psychosocial maturity, including problem-solving, coping, and emotion regulation...
October 1, 2017: International Journal of Offender Therapy and Comparative Criminology
https://www.readbyqxmd.com/read/29020061/catching-up-children-with-developmental-coordination-disorder-compared-to-healthy-children-before-and-after-sensorimotor-therapy
#11
COMPARATIVE STUDY
Mats Niklasson, Torsten Norlander, Irene Niklasson, Peder Rasmussen
The aims of the present study were to (a) compare healthy children in terms of sensorimotor maturity to untreated children diagnosed with developmental coordination disorder (DCD) and (b) compare healthy children to diagnosed children following completed treatment with sensorimotor therapy. Participants were 298 children, 196 boys and 102 girls, distributed into a Norm group of healthy children (n = 99) and a group of children diagnosed with DCD (n = 199) with a total mean age of 8.77 years (SD = 2.88). Participants in both groups were assessed on instruments aimed to detect sensorimotor deviations...
2017: PloS One
https://www.readbyqxmd.com/read/29016240/reiterated-concerns-and-further-challenges-for-mindfulness-and-meditation-research-a-reply-to-davidson-and-dahl
#12
Nicholas T Van Dam, Marieke K van Vugt, David R Vago, Laura Schmalzl, Clifford D Saron, Andrew Olendzki, Ted Meissner, Sara W Lazar, Jolie Gorchov, Kieran C R Fox, Brent A Field, Willoughby B Britton, Julie A Brefczynski-Lewis, David E Meyer
In response to our article, Davidson and Dahl offer commentary and advice regarding additional topics crucial to a comprehensive prescriptive agenda for future research on mindfulness and meditation. Their commentary raises further challenges and provides an important complement to our article. More consideration of these issues is especially welcome because limited space precluded us from addressing all relevant topics. While we agree with many of Davidson and Dahl's suggestions, the present reply (a) highlights reasons why the concerns we expressed are still especially germane to mindfulness and meditation research (even though those concerns may not be entirely unique) and (b) gives more context to other issues posed by them...
September 1, 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28986327/anthropometrics-and-maturity-status-a-preliminary-study-of-youth-football-head-impact-biomechanics
#13
Susan W Yeargin, Payton Kingsley, Jim M Mensch, Jason P Mihalik, Eva V Monsma
CONTEXT: There is a paucity of head impact biomechanics research focusing on youth athletes. Little is known about how youth subconcussive head impact tolerances are related to physical size and maturation. OBJECTIVE: To examine the effects of age, anthropometric and maturational status variability on head impact biomechanics. DESIGN: Cross-sectional. SETTING: Outdoor youth football facilities in South Carolina. PARTICIPANTS: Thirty-four male recreational youth football players, 8 to 13yrs...
October 3, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28968146/changes-in-youth-baseball-pitching-biomechanics-a-7-year-longitudinal-study
#14
Glenn S Fleisig, Alek Z Diffendaffer, Brett Ivey, Kyle T Aune, Tony Laughlin, Dave Fortenbaugh, Becky Bolt, Wendy Lucas, Kevin D Moore, Jeffrey R Dugas
BACKGROUND: Pitching biomechanics are associated with performance and risk of injury in baseball. Previous studies have identified biomechanical differences between youth and adult pitchers but have not investigated changes within individual young pitchers as they mature. HYPOTHESIS: Pitching kinematics and kinetics will change significantly during a youth pitcher's career. STUDY DESIGN: Descriptive laboratory study. METHODS: Pitching biomechanics were captured in an indoor laboratory with a 12-camera, 240-Hz motion analysis system for 51 youth pitchers who were in their first season of organized baseball with pitching...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28964690/maturation-related-adaptations-in-running-speed-in-response-to-sprint-training-in-youth-soccer-players
#15
Jason Moran, Dave A Parry, Ieuan Lewis, Jay Collison, Michael C Rumpf, Gavin R H Sandercock
OBJECTIVES: This study investigated the effects of a previously recommended dose of sprint training (ST) in young male soccer players of differing maturity status. DESIGN: Quasi-experimental design. METHODS: Male soccer players from two professional academies were divided into Pre-PHV (Training: n=12; Control: n=13) and Mid-PHV (Training: n=7; Control=10) groups. The training groups completed 16 sprints of 20m with 90s recovery, once per week...
September 21, 2017: Journal of Science and Medicine in Sport
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
#16
Brennan J Thompson, Matt S Stock, Jacob A Mota, Alexander S Drusch, Ryan N DeFranco, Tyler R Cook, Matthew A Hamm
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. Subjects in the training group (n = 16, mean age = 11.8 years) performed 90 minutes of supervised plyometric and resistance training twice weekly for 16 weeks. A group of control subjects (n = 9, age = 12.1 years) maintained their current activity levels...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28931173/hopping-and-landing-performance-in-male-youth-soccer-players-effects-of-age-and-maturation
#17
Paul J Read, Jon L Oliver, Mark B A De Ste Croix, Gregory D Myer, Rhodri S Lloyd
Quantifying hopping and landing performances can assist coaches in identifying young male soccer players who may be at increased risk of injury. The influence of chronological age and maturation on these measures in this population is unknown. Single leg hop for distance (SLHD) and 75% horizontal hop and stick landing force (75%Hop) were examined in a cross-sectional sample (N=400) of elite male youth soccer players. Between-group differences for both chronological age (U11-U18) and stage of maturation (pre-, circa- or post-peak height velocity (PHV)) were analyzed...
November 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28928717/egg-quality-during-the-pubertal-transition-is-youth-all-it-s-cracked-up-to-be
#18
Francesca E Duncan
Although it is well accepted that egg quality decreases with advanced maternal age, we do not know how it is affected at the earliest ages during the pubertal transition-likely because this young population is not typically reproducing. However, in the setting of fertility preservation, more childhood cancer patients are surviving their diagnosis due to medical advances, forcing patients and their families to consider their future fertility at a very young age. Ex vivo in vitro maturation, in which cumulus oocyte complexes harvested from ovarian tissue are cultured to obtain mature gametes, is gaining traction as a fertility preservation method that is coupled to ovarian tissue cryopreservation...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28912731/long-term-athletic-development-in-youth-alpine-ski-racing-the-effect-of-physical-fitness-ski-racing-technique-anthropometrics-and-biological-maturity-status-on-injuries
#19
Lisa Müller, Carolin Hildebrandt, Erich Müller, Christian Fink, Christian Raschner
Alpine ski racing is known to be a sport with a high risk of injuries. Because most studies have focused mainly on top-level athletes and on traumatic injuries, limited research exists about injury risk factors among youth ski racers. The aim of this study was to determine the intrinsic risk factors (anthropometrics, biological maturity, physical fitness, racing technique) for injury among youth alpine ski racers. Study participants were 81 youth ski racers attending a ski boarding school (50 males, 31 females; 9-14 years)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28912656/do-maximal-roller-skiing-speed-and-double-poling-performance-predict-youth-cross-country-skiing-performance
#20
Roland Stöggl, Erich Müller, Thomas Stöggl
The aims of the current study were to analyze whether specific roller skiing tests and cycle length are determinants of youth cross-country (XC) skiing performance, and to evaluate sex specific differences by applying non-invasive diagnostics. Forty-nine young XC skiers (33 boys; 13.8 ± 0.6 yrs and 16 girls; 13.4 ± 0.9 yrs) performed roller skiing tests consisting of both shorter (50 m) and longer durations (575 m). Test results were correlated with on snow XC skiing performance (PXC) based on 3 skating and 3 classical distance competitions (3 to 6 km)...
September 2017: Journal of Sports Science & Medicine
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