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https://www.readbyqxmd.com/read/28089102/comparison-of-corticosteroid-autologous-blood-or-sclerosant-injections-for-chronic-tennis-elbow
#1
R Branson, K Naidu, C du Toit, A H Rotstein, R Kiss, D McMillan, L Fooks, B K Coombes, B Vicenzino
OBJECTIVES: To compare three different ultrasound-guided injections for chronic tennis elbow. DESIGN: Assessor-blinded, randomized controlled comparative trial. METHODS: 44 patients with clinically diagnosed tennis elbow, confirmed by Doppler ultrasound, received under ultrasound guidance, a single corticosteroid injection (n=14), or two injections (separated by 4 weeks) of either autologous blood (n=14) or polidocanol (n=16). Clinical and ultrasound examination was performed at baseline, 4, 12 and 26 weeks...
October 29, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28087244/practice-makes-perfect-correlations-between-prior-experience-in-high-level-athletics-and-robotic-surgical-performance-do-not-persist-after-task-repetition
#2
Kevin Shee, Fady M Ghali, Elias S Hyams
OBJECTIVE: Robotic surgical skill development is central to training in urology as well as in other surgical disciplines. Here, we describe a pilot study assessing the relationships between robotic surgery simulator performance and 3 categories of activities, namely, videogames, musical instruments, and athletics. DESIGN: A questionnaire was administered to preclinical medical students for general demographic information and prior experiences in surgery, videogames, musical instruments, and athletics...
January 10, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28063895/improvement-of-table-tennis-dystonia-by-stereotactic-ventro-oral-thalamotomy-a-case-report
#3
Takashi Asahi, Takaomi Taira, Kiyonobu Ikeda, Jiro Yamamoto, Shuji Sato
BACKGROUND: Task-specific focal dystonia, such as writer's cramp and musician's cramp, is a type of dystonia that affects performance of particular tasks. Such movement disorders have been treated with stereotactic ventro-oral (Vo) thalamotomy, with excellent outcomes. However, there has been no previous report of treatment of sport-related/athlete's dystonia by means of stereotactic surgery. We treated a patient with table tennis-related dystonia with Vo thalamotomy, and evaluated the outcome...
January 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28047913/su-f-t-424-mitigation-of-increased-surface-dose-when-treating-through-a-carbon-fiber-couch-top
#4
E Johnson, F Misgina
PURPOSE: To study the effect of the Varian carbon fiber couch top on surface dose for patients being treated using single PA beams in the supine position and to identify simple methods for surface dose reduction. METHODS: Measurements of surface dose were obtained in Solid Water phantoms using both a parallel plate ionization chamber (PTW Advanced Markus) and EBT2 Radiochromic films for both 6 and 10MV photons. All measurements were referenced to a depth considered a typical for PA Spine fields...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28000298/the-feasibility-of-using-multiple-databases-to-study-rare-outcomes-the-potential-effect-of-long-acting-beta-agonists-with-inhaled-corticosteroid-therapy-on-asthma-mortality
#5
Catherine B Johannes, Lisa J McQuay, Kirk D Midkiff, Brian Calingaert, Elizabeth B Andrews, Patricia Tennis, Jeffrey S Brown, Carlos A Camargo, Rachael L DiSantostefano, Kenneth J Rothman, Til Stürmer, Stephan Lanes, Kourtney J Davis
PURPOSE: Long-acting beta agonists (LABAs) when used without concomitant inhaled corticosteroids (ICS) increase the risk of asthma-related deaths, but the effect on asthma-related death of LABA used in combination with ICS therapy is unknown. To address this question, we explored the feasibility of conducting an observational study using multiple US health care data sources. METHODS: Retrospective cohort study to evaluate the likelihood of getting an upper 95% confidence limit ≤1...
December 21, 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27996969/the-nature-of-prosociality-in-chimpanzees
#6
Claudio Tennie, Keith Jensen, Josep Call
An important debate centres around the nature of prosociality in nonhuman primates. Chimpanzees help other individuals in some experimental settings, yet they do not readily share food. One solution to this paradox is that they are motivated to help others provided there are no competing interests. However, benefits to recipients could arise as by-products of testing. Here we report two studies that separate by-product from intended helping in chimpanzees using a GO/NO-GO paradigm. Actors in one group could help a recipient by releasing a food box, but the same action for another group prevented a recipient from being able to get food...
December 20, 2016: Nature Communications
https://www.readbyqxmd.com/read/27977528/in-play-cooling-interventions-for-simulated-match-play-tennis-in-hot-humid-conditions
#7
Daniela Schranner, Lisa Scherer, Grant P Lynch, Svenja Korder, John R Brotherhood, Babette M Pluim, Julien D Périard, Ollie Jay
PURPOSE: To assess the efficacy of different in-play cooling strategies for mitigating heat strain during simulated tennis match-play activity in a hot/humid environment representing the most extreme conditions during the US Open (36°C, 50% RH). METHODS: On three occasions, nine males completed an intermittent treadmill-protocol with an exercise intensity and activity profile simulating a 4-set tennis match, with 90-s breaks between odd-numbered games and 120-s between sets, according to ITF rules...
December 13, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27974523/epidemiological-models-to-control-the-spread-of-information-in-marine-mammals
#8
Zachary A Schakner, Michael G Buhnerkempe, Mathew J Tennis, Robert J Stansell, Bjorn K van der Leeuw, James O Lloyd-Smith, Daniel T Blumstein
Socially transmitted wildlife behaviours that create human-wildlife conflict are an emerging problem for conservation efforts, but also provide a unique opportunity to apply principles of infectious disease control to wildlife management. As an example, California sea lions (Zalophus californianus) have learned to exploit concentrations of migratory adult salmonids below the fish ladders at Bonneville Dam, impeding endangered salmonid recovery. Proliferation of this foraging behaviour in the sea lion population has resulted in a controversial culling programme of individual sea lions at the dam, but the impact of such culling remains unclear...
December 14, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27957396/selective-enhancement-of-attentional-networks-in-college-table-tennis-athletes-a-preliminary-investigation
#9
Biye Wang, Wei Guo, Chenglin Zhou
The purpose of the study was to investigate the characteristics of the attentional network in college table tennis athletes. A total of 65 college students categorized as table tennis athlete group or non-athlete group participated in the study. All participants completed the attentional network test (ANT) which measured the alerting, orienting and executive control networks. The results showed a significant difference between the athlete and non-athlete group for executive control network (p < 0.01), while no differences were observed for alerting (p > 0...
2016: PeerJ
https://www.readbyqxmd.com/read/27942121/the-impact-of-exercise-training-on-basal-bdnf-in-athletic-adolescents
#10
Young Il Kim
[Purpose] The purpose of this study was to investigate the impact of exercise training on basal brain-derived neurotrophic factor in athletic adolescents. [Subjects and Methods] Twenty-two male adolescents participated in this study. The subjects were divided into a control group (n=9) and trained group (n=13). The trained group comprised table tennis athletes with more than 3 years of training who regularly exercised 18 hours per week. [Results] The results of this study show the trained group had significantly lower basal brain-derived neurotrophic factor levels than the control group...
November 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27936914/characteristic-features-of-odontogenic-myxoma-on-cone-beam-computed-tomography
#11
Kaili Wang, Wenhao Guo, Meng You, Li Liu, Bei Tang, Guangning Zheng
OBJECTIVES: To illustrate characteristic features of odontogenic myxoma (OM) on CBCT. METHODS: From fifty-two subjects with histopathologically diagnosed odontogenic myxomas, eighteen that underwent CBCT examination were retrieved between May 2009 and April 2016. Features on CBCT images and clinical records were carefully observed and analyzed. RESULTS: Characteristic features include: (1) Fine and straight septa were recognized to separate the tumor into triangular, square or rectangular spaces which appeared as "tennis racket" or "honeycomb" patterns; (2) Septa frequently scattered to the borders of lesions and appeared perpendicular to the margins; (3) Tooth displacement and resorption were seen in most of OM lesions; (4) OMs were noted to have a tendency to involve the alveolar process, scalloped between the roots, and affected the integrity of the alveolar ridge; (5) The cortex of OMs appeared normally perforated and the edge of the cortex expanded into the soft tissue...
December 12, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27936856/contextual-information-and-perceptual-cognitive-expertise-in-a-dynamic-temporally-constrained-task
#12
Colm P Murphy, Robin C Jackson, Karl Cooke, André Roca, Nicolas Benguigui, A Mark Williams
Skilled performers extract and process postural information from an opponent during anticipation more effectively than their less-skilled counterparts. In contrast, the role and importance of contextual information in anticipation has received only minimal attention. We evaluate the importance of contextual information in anticipation and examine the underlying perceptual-cognitive processes. We present skilled and less-skilled tennis players with normal video or animated footage of the same rallies. In the animated condition, sequences were created using player movement and ball trajectory data, and postural information from the players was removed, constraining participants to anticipate based on contextual information alone...
December 2016: Journal of Experimental Psychology. Applied
https://www.readbyqxmd.com/read/27918240/circadian-rhythm-effect-on-physical-tennis-performance-in-trained-male-players
#13
Álvaro López-Samanes, Diego Moreno-Pérez, José L Maté-Muñoz, Raúl Domínguez, Jesús G Pallarés, Ricardo Mora-Rodriguez, Juan F Ortega
To determine the effect of circadian rhythm on neuromuscular responses and kinematics related to physical tennis performance, after a standardised warm-up, 13 highly competitive male tennis players were tested twice for serve velocity/accuracy (SVA), countermovement vertical jump (CMJ), isometric handgrip strength (IS), agility T-test (AGIL) and a 10-m sprint (10-m RUN). In a randomised, counter-balance order, tennis players underwent the test battery twice, either in the morning (i.e., AM; 9:00 h) and in the afternoon (i...
December 5, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27914311/stepwatch-accuracy-during-walking-running-and-intermittent-activities
#14
Lindsay P Toth, David R Bassett, Scott E Crouter, Brittany S Overstreet, Samuel R LaMunion, Susan Park, Shahnawaz N Notta, Cary M Springer
INTRODUCTION: The purpose of this study was two-fold: 1) to investigate effects of cadence and sensitivity settings for the StepWatch (SW3) on step count accuracy over a wide range of ambulatory speeds, and 2) to compare the preprogrammed "quick start" settings to modified settings during intermittent lifestyle activities. METHODS: Part 1: Fifteen participants (18-57 years of age) performed two trials of treadmill walking and running at ten speeds ranging from 26...
November 21, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27905867/effects-of-lawn-tennis-association-mini-tennis-as-task-constraints-on-children-s-match-play-characteristics
#15
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
#16
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
#17
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
#18
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...
December 2016: Forensic Science International
https://www.readbyqxmd.com/read/27882915/characteristic-of-shoulder-and-hip-rotation-range-of-motion-in-adolescent-tennis-players
#19
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
#20
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
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