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https://www.readbyqxmd.com/read/29465607/the-efficacy-of-heart-rate-variability-in-tracking-travel-and-training-stress-in-youth-female-rowers-a-preliminary-study
#1
Julian D Egan-Shuttler, Rohan Edmonds, Stephen J Ives
(248 words)Heart rate (HR) variability (HRV) is a reliable indicator of cardiac parasympathetic activity and has been used in athletic populations to measure training adaptations. To date, there is limited research showing whether HRV is practical in youth female athletes and rowers during short periods of overload training. PURPOSE: The purpose of this study was to evaluate the practicality of HRV in documenting training responses during a period of overload training in youth female rowers...
February 15, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29465332/a-coaches-perspective-on-the-contribution-of-anthropometry-physical-performance-and-motor-coordination-in-racquet-sports
#2
Kamasha Robertson, Johan Pion, Mireille Mostaert, Mohd Rozilee Wazir Norjali Wazir, Tamara Kramer, Irene Renate Faber, Pieter Vansteenkiste, Matthieu Lenoir
Differences and similarities between table tennis and other racquet sports exist, but are not well documented in the literature, in spite of the relevance for talent identification. In this study we aimed at identifying the key characteristics of table tennis in comparison with tennis and badminton based upon a survey in coaches. A total of 177 licensed coaches from all across the world and with diverse professional backgrounds completed a survey on anthropometric measures, physical performance, and motor coordination skills...
February 21, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29462913/working-towards-more-effective-implementation-dissemination-and-scale-up-of-lower-limb-injury-prevention-programs-insights-from-community-australian-football-coaches
#3
Angela McGlashan, Glenda Verrinder, Evert Verhagen
Disseminating lower-limb injury-prevention exercise programs (LL-IPEPs) with strategies that effectively reach coaches across sporting environments is a way of preventing lower-limb injuries (LLIs) and ensuring safe and sustainable sport participation. The aim of this study was to explore community-Australian Football (community-AF) coaches' perspectives on the strategies they believed would enhance the dissemination and scale-up of LL-IPEPs. Using a qualitative multiple case study design, semi-structured interviews with community-AF coaches in Victoria, Australia, were conducted...
February 16, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29462147/exploiting-the-geometry-of-the-solution-space-to-reduce-sensitivity-to-neuromotor-noise
#4
Zhaoran Zhang, Dena Guo, Meghan E Huber, Se-Woong Park, Dagmar Sternad
Throwing is a uniquely human skill that requires a high degree of coordination to successfully hit a target. Timing of ball release appears crucial as previous studies report required timing accuracies as short as 1-2ms, which however appear physiologically challenging. This study mathematically and experimentally demonstrates that humans can overcome these seemingly stringent timing requirements by shaping their hand trajectories to create extended timing windows, where ball releases achieve target hits despite temporal imprecision...
February 20, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29459839/psychological-characteristics-in-talented-soccer-players-recommendations-on-how-to-improve-coaches-assessment
#5
Lisa Musculus, Babett H Lobinger
Psychological characteristics, including personality traits and psychological skills, have been shown to be relevant predictors of soccer performance. In research, general and sport specific standardized self-report questionnaires have been applied in psychological diagnostics of sports talent. However, with regard to the assessment of psychological characteristics of talented soccer players, a gap between research and practice is apparent. While soccer clubs often ask their coaches to assess their players on self-designed, unevaluated scouting sheets, research widely neglects expert coaches' and clubs' perspectives on relevant performance characteristics...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29444266/fundamentals-of-glycogen-metabolism-for-coaches-and-athletes
#6
Bob Murray, Christine Rosenbloom
The ability of athletes to train day after day depends in large part on adequate restoration of muscle glycogen stores, a process that requires the consumption of sufficient dietary carbohydrates and ample time. Providing effective guidance to athletes and others wishing to enhance training adaptations and improve performance requires an understanding of the normal variations in muscle glycogen content in response to training and diet; the time required for adequate restoration of glycogen stores; the influence of the amount, type, and timing of carbohydrate intake on glycogen resynthesis; and the impact of other nutrients on glycogenesis...
February 10, 2018: Nutrition Reviews
https://www.readbyqxmd.com/read/29433921/modified-perceptual-training-in-sport-a-new-classification-framework
#7
REVIEW
Stephen Mark Hadlow, Derek Panchuk, David Lindsay Mann, Marc Ronald Portus, Bruce Abernethy
OBJECTIVES: To overview a framework that provides a theoretically-grounded approach to predicting the types of modified perceptual training tasks that will stimulate transfer of improved perceptual skills to sport performance environments. Modified perceptual training (MPT) collectively describes on- or off-field sports training tasks that are specifically designed to develop visual and perceptual-cognitive skill. Traditional training approaches in sport include sports vision training and perceptual-cognitive training, while recently, new technologies have enabled a broad range of additional MPT tools to become available to coaches and athletes...
February 3, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29431595/wheelchair-mobility-performance-enhancement-by-changing-wheelchair-properties-what-is-the-effect-of-grip-seat-height-and-mass
#8
Rienk M A van der Slikke, Annemarie M H de Witte, Monique A M Berger, Daan J J Bregman, Dirk Jan H E J Veeger
PURPOSE: The purpose of this study was to provide insight in the effect of wheelchair settings on wheelchair mobility performance. METHODS: Twenty elite wheelchair basketball athletes of low (n=10) and high classification (n=10), were tested in a wheelchair basketball directed field test. Athletes performed the test in their own wheelchair, which was modified for five additional conditions regarding seat height (high - low), mass (central - distributed) and grip...
February 12, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29420813/sport-psychology-for-the-soldier-athlete-a-paradigm-shift
#9
Vanessa M Meyer
Background: Competitive athletes train body and mind in preparation for competition with mental fortitude often providing the "winning edge." Similarly, the current-day warfighter faces significant physical and psychological challenges and must be prepared to respond to life-threatening danger with mental and physical agility. Sport Psychology for the Soldier Athlete recognizes the soldier as an elite athlete and provides training required to perform at the highest caliber. Through this curriculum, mental skills coaching in goal setting, imagery, positive self-talk, and heart rate control is integrated into routine physical fitness training...
February 6, 2018: Military Medicine
https://www.readbyqxmd.com/read/29420437/objectively-differentiating-movement-patterns-between-elite-and-novice-athletes
#10
Gwyneth B Ross, Brittany Dowling, Nikolaus F Troje, Steven L Fischer, Ryan B Graham
INTRODUCTION: Movement screens are frequently used to identify abnormal movement patterns that may increase risk of injury or hinder performance. Abnormal patterns are often detected visually based on the observations of a coach or clinician. Quantitative, or data-driven methods can increase objectivity, remove issues related to inter-rater reliability and offer the potential to detect new and important features that may not be observable by the human eye. Applying principal components analysis (PCA) to whole-body motion data may provide an objective data-driven method to identify unique and statistically important movement patterns, an important first step to objectively characterize optimal patterns or identify abnormalities...
February 5, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29420239/depression-and-anxiety-symptoms-in-17-teams-of-female-football-players-including-10-german-first-league-teams
#11
Astrid Junge, Birgit Prinz
BACKGROUND: Information on the prevalence of mental health problems of elite athletes is inconclusive, most probably due to methodological limitations, such as low response rates, heterogeneous samples. AIMS: To evaluate the prevalence and risk factors of depression and anxiety symptoms in high-level female football players. METHODS: Female football players of 10 German first league (Bundesliga) and 7 lower league teams were asked to answer a questionnaire on players' characteristics, the Center of Epidemiologic Studies Depression Scale (CES-D) and the Generalised Anxiety Disorder (GAD-7) scale...
February 2, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29415684/effects-of-combat-training-on-visuomotor-performance-in-children-aged-9-to-12-years-an-eye-tracking-study
#12
Yan-Ying Ju, Yen-Hsiu Liu, Chih-Hsiu Cheng, Yu-Lung Lee, Shih-Tsung Chang, Chi-Chin Sun, Hsin-Yi Kathy Cheng
BACKGROUND: Data on visuomotor performance in combat training and the effects of combat training on visuomotor performance are limited. This study aimed to investigate the effects of a specially designed combat sports (CS) training program on the visuomotor performance levels of children. METHODS: A pre-post comparative design was implemented. A total of 26 students aged 9-12 years underwent 40-min CS training sessions twice a week for 8 weeks during their physical education classes...
February 7, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29403232/evaluation-of-knowledge-awareness-and-occurrence-of-dental-injuries-in-participant-children-during-sports-in-new-delhi-a-pilot-study
#13
Mridula Goswami, Puneet Kumar, Urvashi Bhushan
Aim: To evaluate the occurrence of dental injuries in children, the level of knowledge of the participants about preventive measures, and management of dental trauma during sports, in New Delhi. Materials and methods: A cross-sectional study was carried out among 450 children aged 6 to 16 years. A structured interviewer-guided questionnaire was used to determine the prevalence of oral injuries sustained during sport activities, the use of mouthguard as well as the athlete's awareness regarding use of mouthguard...
October 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29401476/pacing-behaviour-of-players-in-team-sports-influence-of-match-status-manipulation-and-task-duration-knowledge
#14
Ricardo Ferraz, Bruno Gonçalves, Diogo Coutinho, Daniel A Marinho, Jaime Sampaio, Mário C Marques
The study aimed to identify the influence of prior knowledge of exercise duration associated with initial information about momentary match status (losing or winning) on the pacing behaviour displayed during soccer game-based activities. Twenty semi-professional male players participated in four game scenarios divided in two sessions. In the first game scenario, players were not informed about the time duration or initial match status. In the second, players were only informed they would be required to play a small-sided game for 12 minutes...
2018: PloS One
https://www.readbyqxmd.com/read/29400614/coach-ratings-of-skills-and-their-relations-to-practice-play-and-successful-transitions-from-youth-elite-to-adult-professional-status-in-soccer
#15
David T Hendry, A Mark Williams, Nicola J Hodges
Elite soccer players (~15 yr) from professional academies in the UK were rated on technical, tactical, physical and creative skills by coaches at time 1 (T1). Players estimated accumulated hours in soccer practice (coach-led activities) and play (self-led activities) during childhood. Coach-ratings were again collected 2.5 yr later (T2) for players that received a professional contract (~17 yr). Adult-professional status was determined at T3 (~ 20 yr). Skill ratings distinguished across the three "future" groups (academy-only, youth-professional only and adult-professional), for all but creative skill...
February 5, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29381719/positive-youth-development-and-observed-athlete-behavior-in-recreational-sport
#16
Matthew Vierimaa, Mark W Bruner, Jean Côté
OBJECTIVES: Competence, confidence, connection, and character are regarded as outcomes of positive youth development (PYD) in sport. However, the specific athlete behaviors associated with different PYD profiles are not well understood. Thus, the purpose of this study was to investigate the relationship between athletes' observed behavior during sport competitions and their perceptions of PYD outcomes. DESIGN: Cross-sectional study with systematic behavioral observation...
2018: PloS One
https://www.readbyqxmd.com/read/29372170/elbow-dislocation-and-subluxation-injuries-in-the-national-collegiate-athletic-association-2009-2010-through-2013-2014
#17
Avi D Goodman, Nicholas Lemme, Steven F DeFroda, Joseph A Gil, Brett D Owens
Background: Examination of the incidence of elbow dislocation and subluxation injuries in the collegiate athlete population is limited. Purpose: To determine the incidence of elbow dislocation and subluxation injuries in the National Collegiate Athletic Association (NCAA) and investigate the risk factors involved. Study Design: Descriptive epidemiology study. Methods: All elbow subluxation and dislocation injuries from the 2009-2010 through 2013-2014 academic years in the NCAA Injury Surveillance Program database were extracted...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29359646/the-role-of-coach-athlete-relationship-quality-in-team-sport-athletes-psychophysiological-exhaustion-implications-for-physical-and-cognitive-performance
#18
Louise Davis, Ralph Appleby, Paul Davis, Mark Wetherell, Henrik Gustafsson
The present study aimed to examine associations between the quality of the coach-athlete relationship and athlete exhaustion by assessing physiological and cognitive consequences. Male and female athletes (N = 82) representing seven teams across four different sports, participated in a quasi-experimental study measuring physical performance on a 5-meter multiple shuttle test, followed by a Stroop test to assess cognitive performance. Participants provided saliva samples measuring cortisol as a biomarker of acute stress response and completed questionnaires measuring exhaustion, and coach-athlete relationship quality...
January 23, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29353246/a-concept-mapping-approach-to-identifying-the-barriers-to-implementing-an-evidence-based-sports-injury-prevention-programme
#19
Alex Donaldson, Aisling Callaghan, Mario Bizzini, Andrew Jowett, Patrick Keyzer, Matthew Nicholson
BACKGROUND AND AIM: Understanding the barriers to programme use is important to facilitate implementation of injury prevention programmes in real-word settings. This study investigated the barriers to coaches of adolescent female soccer teams, in Victoria, Australia, implementing the evidence-based FIFA 11+ injury prevention programme. METHODS: Concept mapping with data collected from 19 soccer coaches and administrators. RESULTS: Brainstorming generated 65 statements as barriers to 11+ implementation...
January 20, 2018: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/29353094/effects-of-scaling-task-constraints-on-emergent-behaviours-in-children-s-racquet-sports-performance
#20
Anna Fitzpatrick, Keith Davids, Joseph A Stone
Manipulating task constraints by scaling key features like space and equipment is considered an effective method for enhancing performance development and refining movement patterns in sport. Despite this, it is currently unclear whether scaled manipulation of task constraints would impact emergent movement behaviours in young children, affording learners opportunities to develop relevant skills. Here, we sought to investigate how scaling task constraints during 8 weeks of mini tennis training shaped backhand stroke development...
January 17, 2018: Human Movement Science
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