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https://www.readbyqxmd.com/read/27905867/effects-of-lawn-tennis-association-mini-tennis-as-task-constraints-on-children-s-match-play-characteristics
#1
Anna Fitzpatrick, Keith Davids, Joseph Antony Stone
The Lawn Tennis Association's mini tennis (MT) is a modified version of tennis consisting of progressive stages; however, there have been few attempts to evaluate how MT might shape performance behaviours. Here, we examine effects of playing MT on the emergence of children's match-play behaviours in 48 junior tennis players. Performance in 1010 match-play points were filmed and coded across 4 tennis stages (MT Red, MT Orange, MT Green and Full Ball), using a notational analysis system. Recorded performance variables included rally length, first serve percentage and shot type, for the purpose of analysing inter-stage comparisons...
December 1, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27903159/recognition-and-treatment-of-central-sensitization-in-chronic-pain-patients-not-limited-to-specialized-care
#2
Jo Nijs, Dorien Goubert, Kelly Ickmans
Modern pain neuroscience has substantially improved our understanding of the (development of) chronic musculoskeletal pain. The time has come for orthopaedic and sports physical therapists to implement modern pain neuroscience in specialized, but definitely also in primary, care settings, including the role of central sensitization (CS) in amplifying and explaining the presence of the pain experience. Central sensitization dominates the clinical picture in a subgroup of the musculoskeletal pain population, ranging from tennis elbow over shoulder pain to osteoarthritis and whiplash...
December 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27886833/upper-extremity-injuries-in-tennis-players-diagnosis-treatment-and-management
#3
REVIEW
Kevin C Chung, Meghan E Lark
Upper extremity tennis injuries are most commonly characterized as overuse injuries to the wrist, elbow, and shoulder. The complex anatomy of these structures and their interaction with biomechanical properties of tennis strokes contributes to the diagnostic challenges. A thorough understanding of tennis kinetics, in combination with the current literature surrounding diagnostic and treatment methods, will improve clinical decision-making.
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27883983/loss-and-replacement-of-small-particles-on-the-contact-surfaces-of-footwear-during-successive-exposures
#4
David A Stoney, Andrew M Bowen, Paul L Stoney
On the contact surfaces of footwear loosely, moderately and strongly held particle fractions were separated and analyzed in an effort to detect different particle signals. Three environmental exposure sites were chosen to have different, characteristic particle types (soil minerals). Shoes of two types (work boots and tennis shoes) were tested, accumulating particles by walking 250m in each environment. Some shoes were exposed to only one environment; others were exposed to all three, in one of six different sequences...
November 16, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27882915/characteristic-of-shoulder-and-hip-rotation-range-of-motion-in-adolescent-tennis-players
#5
Bi F Chang, Chia C Liu, Hsiao Y Chang
BACKGROUND: Adolescent tennis players require sufficient hip and shoulder flexibility to achieve the kinetic chain of a tennis stroke or serve. Hence, the objective of this study is to measure the glenohumeral joint internal and external rotation (IR and ER, respectively) and hip ER range of motion and to compare these parameters between experienced and beginner-level adolescent tennis players. METHODS: Twenty-three adolescent tennis players were divided into experienced (N = 12) and beginner groups (N = 11) on the basis of the adolescent national ranking of the Taiwan Tennis Association...
November 24, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27879298/withdrawals-and-retirements-in-professional-tennis-players-an-analysis-of-2013-united-states-tennis-association-pro-circuit-tournaments
#6
Matthew J Hartwell, Sandra M Fong, Alexis C Colvin
BACKGROUND: Injuries and illnesses for professional tennis athletes disrupt training, competition, and progression in the sport and represent a major reason for athlete withdrawal or retirement from a tournament. Few descriptive epidemiological studies have focused on these trends in elite tennis athletes. PURPOSE: To examine the causes of professional tennis player withdrawal or retirement from United States Tennis Association (USTA) Pro Circuit tournaments during 2013...
November 22, 2016: Sports Health
https://www.readbyqxmd.com/read/27874301/cognitive-predictors-of-performance-in-well-trained-table-tennis-players-with-intellectual-disability
#7
Debbie Van Biesen, Jennifer Mactavish, Janne Kerremans, Yves C Vanlandewijck
Evidence-based classification systems in Paralympic sport require knowledge of the underlying effect of impairment in a specific sport. This study investigated the relationship between cognition and tactical proficiency in 88 well-trained table tennis players with intellectual disability (ID; 29 women, 59 men, M ± SD IQ 59.9 ± 9.6). Data were collected at 3 competitions sanctioned by the International Federation for Para-Athletes with Intellectual Disabilities (INAS). A generic cognitive test consisting of 8 neuropsychological subtests was used to assess cognitive abilities relevant to sport (reaction time, processing speed, and decision speed; spatial visualization; fluid reasoning; memory; executive functioning; and visual processing)...
October 2016: Adapted Physical Activity Quarterly: APAQ
https://www.readbyqxmd.com/read/27872757/sports-nutrition-knowledge-among-mid-major-division-i-university-student-athletes
#8
Ashley Andrews, Janet R Wojcik, Joni M Boyd, Charles J Bowers
Competitive athletes have goals to optimize performance and to maintain healthy body composition. Sports nutrition is a component of training programs often overlooked by student-athletes and their coaches. The purpose of this study was to examine student-athletes' sports nutrition knowledge across sex, class level, team, and completion of prior nutrition coursework. Participants included 123 mid-major Division I university student-athletes (47 females and 76 males) from baseball, softball, men's soccer, track and field, and tennis...
2016: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/27866886/concomitant-contracture-of-the-knee-and-ankle-joint-after-gastrocnemius-muscle-rupture-a-case-report
#9
Dong Jin Ryu, Joon Mee Kim, Bom Soo Kim
Injury of the medial head of the gastrocnemius, also called "tennis leg," is known to heal uneventfully in most cases with compression and immobilization therapy. Failure to heal or long-term complications, including ongoing pain and pes equinus, have been documented in only a limited number of case reports. To the best of our knowledge, a severe concomitant contracture of the knee and ankle joint as a consequence of a maltreated gastrocnemius muscle rupture has not been previously reported in English-language reports...
November 17, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27852776/somatic-and-reinforcement-based-plasticity-in-the-initial-stages-of-human-motor-learning
#10
Ananda Sidarta, Shahabeddin Vahdat, Nicolò F Bernardi, David J Ostry
: As one learns to dance or play tennis, the desired somatosensory state is typically unknown. Trial and error is important as motor behavior is shaped by successful and unsuccessful movements. As an experimental model, we designed a task in which human participants make reaching movements to a hidden target and receive positive reinforcement when successful. We identified somatic and reinforcement-based sources of plasticity on the basis of changes in functional connectivity using resting-state fMRI before and after learning...
November 16, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27849444/improved-executive-functions-in-6-12-year-old-children-following-cognitively-engaging-tennis-lessons
#11
Toru Ishihara, Shigemi Sugasawa, Yusuke Matsuda, Masao Mizuno
The aim of this cross-sectional study was to evaluate the relationships between cognitively engaging exercise (i.e., game-based and coordination exercises), executive functions (i.e., inhibitory control and working memory), and physical fitness. Forty junior tennis players (6-12 years old), who regularly participated in tennis lessons (2.55 years, SD = 1.61) prior to the study, were investigated. All participants completed evaluations of executive functions (inhibitory control and working memory) at rest...
November 16, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27848072/hamate-hook-nonunion-initially-mistaken-for-ulnar-nerve-compression-a%C3%A2-case-report-with-review-of-literature
#12
Mario Josipovic, Dorotea Bozic, Ivan Bohacek, Tomislav Smoljanovic, Ivan Bojanic
BACKGROUND: Hamate hook (HH) stress fractures are rare, often presenting with misleading symptoms and easily overlooked/misdiagnosed. These fractures occur frequently in individuals participating in sports activities involving racquets, bats, or clubs. Symptoms are non-specific and often mimic other clinical conditions, such as ulnar nerve entrapment or ulnar vessel thrombosis. CASE REPORT: A 17-year-old tennis player with no history of trauma presented with dominant hand weakness together with pain and paresthesia on the ulnar side, which exacerbated with tennis play...
November 15, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27847851/surgical-treatment-of-tennis-elbow-minimal-incision-technique
#13
Morteza Nakhaei Amroodi, Ali Mahmuudi, Mostafa Salariyeh, Arash Amiri
BACKGROUND: When non-operative treatment of tennis elbow fails; a surgical procedure can be performed to improve the associated symptoms. Different surgical techniques for treatment of lateral epicondylitis are prescribed. The purpose of this study was to evaluate the clinical outcomes of surgical treatment for tennis elbow based on small incision techniques. METHODS: This technique was performed on 24 consecutive patients between June 2011 and July 2013. Outcomes were assessed using the Patient-Rated Tennis Elbow Evaluation (PRTEE), Nirschl's staging system and visual analog scale (VAS) for pain and satisfaction criteria...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27834557/external-match-workloads-during-the-first-week-of-australian-open-tennis-competition
#14
David Whiteside, Machar Reid
PURPOSE: With a view to informing athlete preparation leading into tournament play, this study examined external hitting and movement workloads during the first week of the 2012-2016 Australian Open tournaments. METHODS: Using Hawk-Eye, on-court movement and stroke data were captured for 39 players (21 women, 18 men) during the first four rounds of singles competition. Hitting and movement workloads were compared between sexes and rounds of competition. RESULTS: On average, males traversed approximately 4 more kilometres and hit 785 more shots than females across the first four aggregated rounds of the Australian Open...
November 11, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27833925/lateral-elbow-tendinopathy-development-of-a-pathophysiology-based-treatment-algorithm
#15
Gev Bhabra, Allan Wang, Jay R Ebert, Peter Edwards, Monica Zheng, Ming H Zheng
Lateral elbow tendinopathy, commonly known as tennis elbow, is a condition that can cause significant functional impairment in working-age patients. The term tendinopathy is used to describe chronic overuse tendon disorders encompassing a group of pathologies, a spectrum of disease. This review details the pathophysiology of tendinopathy and tendon healing as an introduction for a system grading the severity of tendinopathy, with each of the 4 grades displaying distinct histopathological features. Currently, there are a large number of nonoperative treatments available for lateral elbow tendinopathy, with little guidance as to when and how to use them...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27816702/neural-correlates-of-user-initiated-motor-success-and-failure-a-brain-computer-interface-perspective
#16
Boris Yazmir, Miriam Reiner
Any motor action is, by nature, potentially accompanied by human errors. In order to facilitate development of error-tailored Brain-Computer Interface (BCI) correction systems, we focused on internal, human-initiated errors, and investigated EEG correlates of user outcome successes and errors during a continuous 3D virtual tennis game against a computer player. We used a multisensory, 3D, highly immersive environment. Missing and repelling the tennis ball were considered, as 'error' (miss) and 'success' (repel)...
November 2, 2016: Neuroscience
https://www.readbyqxmd.com/read/27796373/conformity-cannot-be-identified-based-on-population-level-signatures
#17
Alberto Acerbi, Edwin J C van Leeuwen, Daniel B M Haun, Claudio Tennie
Conformist transmission, defined as a disproportionate likelihood to copy the majority, is considered a potent mechanism underlying the emergence and stabilization of cultural diversity. However, ambiguity within and across disciplines remains as to how to identify conformist transmission empirically. In most studies, a population level outcome has been taken as the benchmark to evidence conformist transmission: a sigmoidal relation between individuals' probability to copy the majority and the proportional majority size...
October 31, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27792219/the-role-of-lower-limbs-during-tennis-serve
#18
Filippo Dossena, Carlo Rossi, Antonio La Torre, Matteo Bonato
BACKGROUND: Tennis serve is the most important shot in tennis. Lower limbs generate about 50% of the total force developed during the serve, but limited information are available about their role. Therefore, the aim of the present study was to investigate the role of lower limbs during first and second serve and its relationship between jump height and ball speed during tennis serve. METHODS: Eight professional tennis players (age: 20±3 years; height 181±3 cm; height with racket: 283±5 cm; playing experience 13±3 years) were tested with counter movement jump (CMJ) and CMJ with free arm swing (CMJF)...
October 28, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27790624/prevalence-of-musculoskeletal-conditions-in-tennis-teaching-professionals
#19
Ricardo E Colberg, Kyle T Aune, Matthew S Propst
BACKGROUND: Tennis-teaching professionals represent a significant proportion of all avid tennis players worldwide, with 15,000 belonging to the largest professional organization, the United States Professional Tennis Association (USPTA). However, there is no epidemiologic study to date reporting the prevalence of musculoskeletal conditions in these tennis-teaching professionals. PURPOSE: To investigate the prevalence of musculoskeletal conditions in tennis-teaching professionals following the International Tennis Federation's (ITF) guidelines for epidemiologic studies...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27779438/effects-of-consecutive-days-of-match-play-on-technical-performance-in-tennis
#20
Danielle T Gescheit, Rob Duffield, Melissa Skein, Neil Brydon, Stuart J Cormack, Machar Reid
Elite tennis is characterised by repeated bouts of up to 5-set match play, yet little is known about the technical requirements of shots played. This study therefore investigated technical performance changes over consecutive days of prolonged, simulated tennis match play. A total of 7 well-trained men tennis players performed 4 consecutive days of competitive 4-h match play. Matches were notated to determine between-day changes in groundstroke and serve performance, as well as point and match durations. Changes ≥75% likely to exceed the smallest important effect size (0...
October 25, 2016: Journal of Sports Sciences
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