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https://www.readbyqxmd.com/read/28723819/exploring-game-dynamics-in-padel-implications-for-assessment-and-training
#1
Javier Courel-Ibáñez, Bernardino J Sánchez-Alcaraz Martinez, Diego Muñoz Marín
A better understanding of in-game competition demands potentially improves coaching strategy and quality. However, there is very limited information about game patterns in padel, a very modern racket sport born in the 70'. The purpose of this study was therefore to quantify and classify game dynamics during the match in professional padel players through a multivariate decision tree approach including technical, spatial and effectiveness indicators. The results determined three main game styles strongly defined by the court zone (net, middle and baseline)...
July 17, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28720693/catastrophic-cervical-spinal-injury-in-an-amateur-college-wrestler
#2
Jayakrishnan Kelamangalathu Narayana Kurup, Ravitheja Jampani, Simanchal P Mohanty
A young amateur wrestler presented with a burst fracture of the seventh cervical vertebra with complete paraplegia. He was treated with surgery for spine stabilisation and was actively rehabilitated. Adolescents and teenagers are indulging in high-contact sports like wrestling, without proper training and technical know-how, which can lead to severe injuries and possibly, permanent handicap or death. Trainers, assistants and institutions should be well equipped to diagnose and provide initial care of people with a spinal injury to prevent a partial injury from progressing to complete injury...
July 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28714760/houston-we-still-have-a-problem
#3
Martin Buchheit
Apollo 13 was initially looking like it would be the smoothest flight ever. After the explosion of an oxygen tank however, the astronauts were close to spending the rest of their lives in rotation around the planet. I wished to use this well-known incident to discuss further the link, or lack thereof, between sport sciences research and current field practices. There is a feeling that the academic culture and its publishing requirements have created a bit of an Apollo 13-like orbiting world (e.g., journals and conferences) that is mostly disconnected from the reality of elite performance...
July 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28713476/the-relationship-between-perceived-coaching-behaviours-motivation-and-self-efficacy-in-wrestlers
#4
İhsan Sarı, Betül Bayazıt
The current study aimed to determine the relationship between perceived coaching behaviours, motivation, self-efficacy and general self-efficacy of wrestlers who competed in the Super National Wrestling League. The sample consisted of 289 wrestlers. The Self-Efficacy Scale was used to measure self-efficacy perception, the Sports Motivation Scale to measure the motivation of the athletes, the Leadership Scale for Sport to determine perceived leadership behaviours, and the General Self-Efficacy Scale to determine the general self-efficacy perceptions of the athletes...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28713475/perceived-hindrances-experienced-by-sport-coaches-in-south-africa
#5
Alliance Kubayi, Yoga Coopoo, Heather Morris-Eyton
The purpose of this study was to examine perceived hindrances encountered by sport coaches in the Gauteng Province of South Africa. A total of 224 sport coaches (122 males and 102 females) were purposively recruited to participate in this study. An exploratory factor analysis was used to assess the factor structure of the Perceived Hindrance Scale. The results of this study indicated the following as major hindrances encountered by sport coaches: "Lack of support systems for women players", "Lack of support for women coaches from superiors", "Low salary", "Lack of opportunities for promotion", "Difficulties with parents/spectators" and "Lack of job security"...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28713457/personal-and-social-responsibility-among-athletes-the-role-of-self-determination-achievement-goals-and-engagement
#6
Paulo Martins, António Rosado, Vítor Ferreira, Rui Biscaia
The purpose of this study was to assess the relationship between motivation, engagement and personal and social responsibility among athletes. Based on the literature, a survey was conducted including measures of motivation, considering task orientation and ego orientation, intrinsic and extrinsic motivation, and amotivation. We also measured the components of engagement (dedication, confidence, vigor and enthusiasm) and the components of personal and social responsibility. A total of 517 athletes from different types of sports participated in the study...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28705436/non-metric-multidimensional-performance-indicator-scaling-reveals-seasonal-and-team-dissimilarity-within-the-national-rugby-league
#7
Carl T Woods, Sam Robertson, Wade H Sinclair, Neil French Collier
OBJECTIVES: Analysing the dissimilarity of seasonal and team profiles within elite sport may reveal the evolutionary dynamics of game-play, while highlighting the similarity of individual team profiles. This study analysed seasonal and team dissimilarity within the National Rugby League (NRL) between the 2005 to 2016 seasons. DESIGN: Longitudinal. METHODS: Total seasonal values for 15 performance indicators were collected for every NRL team over the analysed period (n=190 observations)...
June 22, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28700518/agility-and-vertical-jump-performances-are-impacted-by-acute-cool-exposure
#8
Lara A Carlson, Cara Fowler, Michael A Lawrence
Outdoor sports teams may be exposed to acute cold stress during competition, which may affect performance. Limited research has explored the effects of cold exposure on athletic components. The purpose of this study was to examine the effects of an acute whole-body cool exposure on pro-agility, vertical jump, and sprint performances. Eleven lightly clothed (∼0.3 clo) and not cold acclimatized volunteers (10/1 women/men: age 20.5 ± 0.5 y; height 1.65 ± 0.09 m; mass 63.3 ± 8.9 kg; body fat 21.3 ± 7.6%) completed performance tests in both thermoneutral (17...
July 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28700513/sled-towing-acutely-decreases-acceleration-sprint-time
#9
Megan A Wong, Ian J Dobbs, Casey M Watkins, Saldiam R Barillas, A Lin, David C Archer, Robert G Lockie, Jared W Coburn, Lee E Brown
Sled towing is a common form of overload training in sports to develop muscular strength for sprinting. This type of training leads to acute and chronic outcomes. Acute training potentially leads to postactivation potentiation (PAP), which is when subsequent muscle performance is enhanced following a preload stimulus. The purpose of this study was to determine differences between rest intervals following sled towing on acute sprint speed. Twenty healthy recreationally trained males (age= 22.3 ± 2.4yrs, height= 176...
July 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28697704/radio-gaga-intra-team-communication-of-australian-rules-football-umpires-effect-of-radio-communication-on-content-structure-and-frequency
#10
Timothy J Neville, Paul M Salmon, Gemma J M Read
Intra-team communication plays an important role in team effectiveness in various domains including sport. As such, it is a key consideration when introducing new tools within systems that utilise teams. The difference in intra-team communication of Australian Rules Football (AFL) umpiring teams was studied when umpiring with or without radio communications technology. A cross-sectional observational study was conducted to analyse the verbal communication of seven umpiring teams (20 participants) grouped according to their experience with radio communication...
July 12, 2017: Ergonomics
https://www.readbyqxmd.com/read/28687400/a-systems-approach-to-understanding-the-identification-and-treatment-of-sport-related-concussion-in-community-rugby-union
#11
Amanda Clacy, Natassia Goode, Rachael Sharman, Geoff P Lovell, Paul Salmon
AIM: The aim of the present study was to utilise a systems thinking approach to explore the perceived responsibilities for identifying and treating concussion held by different actors across the community rugby system (e.g., players, coaches, parents, medics, referees, and management), as well as their role-specific concussion management strategies. METHODS: A systems approach was taken to assess what different stakeholders within rugby systems perceive their roles to be regarding concussion identification and treatment...
July 4, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28685651/successful-transfer-of-a-motor-learning-strategy-to-a-novel-sport
#12
Philip E Kearney, Phil Judge
This study investigated whether secondary school students who were taught a motor learning strategy could transfer their knowledge of the strategy to learning a novel task. Twenty adolescents were randomly allocated to a strategy or control group. The strategy group was taught Singer's five-step learning strategy, while the control group received information on the evolution and biomechanics of the basketball free throw. Both groups received three 1-hour practice sessions on a modified basketball shooting task...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28682655/enjoyment-and-behavioral-intention-predict-organized-youth-sport-participation-and-dropout
#13
Lauren A Gardner, Christopher A Magee, Stewart A Vella
BACKGROUND: Dropout from organized youth sport has significant adverse health implications. Enjoyment and behavioral intentions have consistently been linked with participation and dropout; however few studies have investigated these links using a prospective design. This study explored whether enjoyment and intentions to continue predicted dropout behavior at one-year follow-up. METHODS: Questionnaires were completed by 327 regular sports participants (Mage=13...
July 6, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28680897/high-prevalence-of-nontraumatic-shoulder-pain-in-a-regional-sample-of-female-high-school-volleyball-athletes
#14
Kayt E Frisch, Jacob Clark, Chad Hanson, Chris Fagerness, Adam Conway, Lindsay Hoogendoorn
BACKGROUND: Shoulder pain is becoming increasingly problematic in young players as volleyball gains popularity. Associations between repetitive motion and pain and overuse injury have been observed in other overhand sports (most notably baseball). Studies of adult athletes suggest that there is a shoulder pain and overuse problem present in volleyball players, but minimal research has been done to establish rates and causes in juvenile participants. PURPOSE: To establish rates of shoulder pain, regardless of whether it resulted in a loss of playing time, in female high school volleyball players...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28676778/children-s-first-experience-of-taking-anabolic-androgenic-steroids-can-occur-before-their-10th-birthday-a-systematic-review-identifying-9-factors-that-predicted-doping-among-young-people
#15
Adam R Nicholls, Ed Cope, Richard Bailey, Katrin Koenen, Detlef Dumon, Nikolaos C Theodorou, Benoit Chanal, Delphine Saint Laurent, David Müller, Mar P Andrés, Annemarie H Kristensen, Mark A Thompson, Wolfgang Baumann, Jean-Francois Laurent
Taking performance-enhancing drugs (PEDs) can cause serious and irreversible health consequences, which can ultimately lead to premature death. Some young people may take PEDs without fully understanding the ramifications of their actions or based on the advice from others. The purpose of this systematic review was to identify the main factors that predicted doping among young people. The literature was systematically reviewed using search engines, manually searching specialist journals, and pearl growing. Fifty-two studies, which included 187,288 young people aged between 10 and 21 years of age, 883 parents of adolescent athletes, and 11 adult coaches, who were interviewed regarding young athletes, were included in this review...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28674604/mood-and-performance-anxiety-in-high-school-basketball-players-a-pilot-study
#16
Steffen J Hoover, Rachel K Winner, Holly McCutchan, Christina C Beaudoin, Lawrence W Judge, Lani M Jones, Brianna Leitzelar, Donald L Hoover
Participation in competitive sport may impact psychological measures, such as mood and performance anxiety, which in turn may impact enjoyment, adherence, continued participation, and so on. This study assessed the feasibility - in terms of process, resources, management, and potential scientific value- of measuring the effect of varying competitive challenges upon the mood and performance anxiety measures of high school athletes. The participants (n=12) consisted of the boys' varsity basketball team at a high school in a rural Midwestern community...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28671516/skin-infections-which-student-athletes-are-at-greatest-risk
#17
Tim Weesner
Skin infections are a common ailment that affect all students, with increased risk to those students participating in sport and specifically contact sports. The types of skin infections that students are likely to encounter are categorized into three types: (a) bacterial, (b) viral, and (c) fungal. All three types of infection can appear benign at onset but can grow into serious disease and illness if not correctly identified and treated in a timely manner. A strong prevention program should be in place at all schools with appropriate resources in place (human and financial) to carry out proper cleaning of facilities, on-site examination by the school nurse or athletic trainer, and sufficient education of coaches, athletes, parents and administrators...
July 2017: NASN School Nurse
https://www.readbyqxmd.com/read/28665523/emotional-labor-and-professional-practice-in-sports-medicine-and-science
#18
Rebecca F Hings, Christopher R D Wagstaff, Richard C Thelwell, Sarah Gilmore, Valerie Anderson
The aim of the present study was to explore how sport medicine and science practitioners manage their emotions through emotional labor when engaging in professional practice in elite sport. To address the research aim a semi-structured interview design was adopted. Specifically, eighteen professional sport medicine and science staff provided interviews. The sample comprised sport and exercise psychologists (n = 6), strength and conditioning coaches (n = 5), physiotherapists (n = 5), one sports doctor and one generic sport scientist...
June 30, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28658079/validity-and-usability-of-a-new-system-for-measuring-and-monitoring-variations-in-vertical-jump-performance
#19
Irineu Loturco, Lucas A Pereira, Ronaldo Kobal, Katia Kitamura, César C Cal Abad, Guilherme Marques, Aristide Guerriero, José E Moraes, Fábio Y Nakamura
Vertical jump height (VJ) is one of the most sensitive measures to quantify training-related fatigue and athletic performance in elite athletes. Currently, however, there is no equipment designed to graphically deliver the daily performance changes in VJ compared with the smallest worthwhile change (SWC), which is considered essential in "progressive statistics" to judge meaningful performance fluctuations. The aims of the study were to analyze the criterion validity of a new contact mat (i.e., Elite Jump®), alongside testing its usability to detect meaningful changes in VJ of elite team sport athletes...
June 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28654037/non-invasive-assessments-of-subjective-and-objective-recovery-characteristics-following-an-exhaustive-jump-protocol
#20
Erich Hohenauer, Peter Clarys, Jean-Pierre Baeyens, Ron Clijsen
Fast recovery after strenuous exercise is important in sports and is often studied via cryotherapy applications. Cryotherapy has a significant vasoconstrictive effect, which seems to be the leading factor in its effectiveness. The resulting enhanced recovery can be measured by using both objective and subjective parameters. Two commonly measured subjective characteristics of recovery are delayed-onset muscle soreness (DOMS) and ratings of perceived exertion (RPE). Two important objective recovery characteristics are countermovement jump (CMJ) performance and peak power output (PPO)...
June 8, 2017: Journal of Visualized Experiments: JoVE
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