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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
#1
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/28087165/radiographic-comparison-of-adolescent-athletes-with-elbow-osteochondritis-dissecans-to-ulnar-collateral-ligament-injuries-and-controls
#2
Brian C Lau, Nirav K Pandya
BACKGROUND: There are excellent data supporting recommendations to prevent elbow injuries (osteochondritis dissecans [OCD] and ulnar collateral ligament [UCL] injuries), such as pitch count and pitch type in baseball, but anatomic risk factors have not been thoroughly examined. This study aimed to evaluate radiographic measurements in adolescents with elbow OCD lesions or UCL injuries and controls. METHODS: We retrospectively identified adolescent patients between 2011 and 2016 with isolated capitellum OCD, UCL tear, or normal elbows based on magnetic resonance imaging...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28079648/acute-response-of-the-infraspinatus-and-biceps-tendons-to-pitching-in-youth-baseball
#3
Adam Popchak, Nathan Hogaboom, Dharmesh Vyas, John Abt, Anthony Delitto, James J Irrgang, Michael Boninger
PURPOSE: Youth baseball frequently results in repetitive strain injuries. Quantitative ultrasound allows real-time imaging with the ability to identify acute markers of tendon change. The study objective was to determine acute quantitative ultrasound changes in the long head of the biceps and infraspinatus tendons of the throwing and non-throwing shoulders during a pitching performance. We hypothesized the tendons of the pitching arm would exhibit an increased width and decreased echogenicity after pitching and that tendons of the non-pitching arm would not demonstrate such changes...
January 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28067739/intermittent-muscle-spasms-in-a-professional-baseball-player
#4
Marissa M Smith, Nitin K Sethi, James Kinderknecht
No abstract text is available yet for this article.
January 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28058989/coordination-of-hitting-movement-revealed-in-baseball-tee-batting
#5
Hiromu Katsumata, Keita Himi, Tenpei Ino, Kyohei Ogawa, Takehiro Matsumoto
Baseball batters must react to pitches delivered to different locations within the strike zone by modulating their movements. In tee-batting practice, such batters place a ball on a tee stand at a location, where they intend to hit the ball, assuming a particular pitch's trajectory. In the present study, we analysed three-dimensional movements in tee-batting to identify characteristics of the batters' intended impact locations across the strike zone, thereby investigating spatiotemporal features of movement modulation...
January 6, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27992289/athlete-s-perception-of-athletic-trainer-empathy-how-important-is-it
#6
Shannon David, Mary Larson
CONTEXT: Health care practitioners face increasing expectations to provide patient-centered care. Communication skills, specifically empathy, are critical in the provision of patient-centered care. Past work correlates empathy with improved patient satisfaction, compliance and treatment outcomes. In particular, a predictive relationship exists between clients' ratings of their clinician's empathy and treatment outcomes. There is a dearth of studies examining empathy using qualitative methodology and factors of empathy in athletic training...
December 19, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27940806/treatment-for-ulnar-neuritis-around-the-elbow-in-adolescent-baseball-players-factors-associated-with-poor-outcome
#7
Masahiro Maruyama, Hiroshi Satake, Masatoshi Takahara, Mikio Harada, Tomohiro Uno, Nariyuki Mura, Michiaki Takagi
BACKGROUND: Ulnar neuritis around the elbow is one of the injuries seen in throwing athletes. Outcomes of nonsurgical treatment and factors associated with failure outcomes have not been reported. PURPOSE: To investigate the outcomes of treatments for ulnar neuritis in adolescent baseball players. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: We assessed 40 male baseball players with a mean age of 15.0 years (range, 13-17 years) who presented with ulnar neuritis...
December 9, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27903163/ultrasound-imaging-of-ulnar-collateral-ligament-injury
#8
Arie J van Duijn, Shawn D Felton
The patient was an 18-year-old collegiate baseball pitcher who injured his right throwing elbow during an overhead slider pitch. As a part of a study, preinjury ultrasound images of the throwing arm were obtained 2 weeks prior to the injury. One day postinjury, repeat ultrasound imaging of the medial elbow was performed. The attending team physician ordered a magnetic resonance arthrogram 2 days after injury, which confirmed the presence of a complete tear of the ulnar collateral ligament. J Orthop Sports Phys Ther 2016;46(12):1086...
December 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27900708/can-posterior-capsular-stretching-rehabilitation-protocol-change-scapula-kinematics-in-asymptomatic-baseball-pitchers
#9
A Pellegrini, P Tonino, D Salazar, K Hendrix, I Parel, A Cutti, P Paladini, F Ceccarelli, G Porcellini
PURPOSE: Scapular dyskinesis is a recognized cause of shoulder pain in the throwing shoulder of baseball pitchers and athletes who participate in overhead sports. Past studies have assessed scapular kinematics using electromagnetic tracking devices and have shown a correlation between posterior shoulder tightness and forward scapular posture. The purpose of our study is to evaluate the scapular kinematics, before and after a 4-week posterior stretching protocol in asymptomatic pitchers...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900183/severity-and-pattern-of-injuries-caused-by-the-traditional-swiss-team-sport-hornussen-first-retrospective-study-at-a-level-i-trauma-centre-in-switzerland
#10
Volkmar Waterkamp, Meret Ricklin, BenoƮt Schaller, Konstantinos Katsoulis, Aristomenis Exadaktylos
BACKGROUND: This article addresses typical injury patterns related to the traditional Swiss team sport of Hornussen. A small plastic disk is struck with a special elastic racket and then intercepted in the field. Severe injuries have occasionally been reported. We present a systematic review of all cases of Hornussen injuries treated in the University Hospital of Bern from 2000 to 2014. METHODS: To assess the frequency, type and outcome of Hornussen injuries, we performed a database search of all inpatient and outpatient cases related to Hornussen and that were admitted to and/or treated in Bern University Hospital from 2000 to 2014...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27896290/do-clinical-results-and-return-to-sport-rates-after-ulnar-collateral-ligament-reconstruction-differ-based-on-graft-choice-and-surgical-technique
#11
Brandon J Erickson, Gregory L Cvetanovich, Rachel M Frank, Bernard R Bach, Mark S Cohen, Charles A Bush-Joseph, Brian J Cole, Anthony A Romeo
BACKGROUND: Ulnar collateral ligament reconstruction (UCLR) has become a common procedure performed in overhead-throwing athletes of many athletic levels. PURPOSE/HYPOTHESIS: The purpose of this study was to determine whether clinical outcomes and return-to-sport (RTS) rates differ among patients undergoing UCLR based on graft choice, surgical technique, athletic competition level, handedness, and treatment of the ulnar nerve. We hypothesized that no differences would exist in clinical outcomes or RTS rates between technique, graft choice, or other variables...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27872757/sports-nutrition-knowledge-among-mid-major-division-i-university-student-athletes
#12
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/27872403/biomechanical-analysis-of-weighted-ball-exercises-for-baseball-pitchers
#13
Glenn S Fleisig, Alek Z Diffendaffer, Kyle T Aune, Brett Ivey, Walter A Laughlin
BACKGROUND: Weighted-ball throwing programs are commonly used in training baseball pitchers to increase ball velocity. The purpose of this study was to compare kinematics and kinetics among weighted-ball exercises with values from standard pitching (ie, pitching standard 5-oz baseballs from a mound). HYPOTHESIS: Ball and arm velocities would be greater with lighter balls and joint kinetics would be greater with heavier balls. STUDY DESIGN: Controlled laboratory study...
November 21, 2016: Sports Health
https://www.readbyqxmd.com/read/27864504/youth-baseball-pitching-stride-length-normal-values-and-correlation-with-field-testing
#14
Karl E Fry, Andrew Pipkin, Kelcie Wittman, Scott Hetzel, Marc Sherry
BACKGROUND: Pitching biomechanical analysis has been recommended as an important component of performance, injury prevention, and rehabilitation. Normal values for youth pitching stride length have not been established, leading to application of normative values found among professional pitchers to youth pitchers. HYPOTHESES: The average youth pitching stride length will be significantly less than that of college and professional pitchers. There will be a positive correlation between stride length, lower extremity power, balance, and pitching experience...
November 18, 2016: Sports Health
https://www.readbyqxmd.com/read/27852593/humeral-retrotorsion-and-glenohumeral-motion-in-youth-baseball-players-compared-with-age-matched-nonthrowing-athletes
#15
Elliot M Greenberg, J Todd R Lawrence, Alicia Fernandez-Fernandez, Philip McClure
BACKGROUND: Baseball players exhibit a more posteriorly oriented humeral head in their throwing arm. This is termed humeral retrotorsion (HRT) and likely represents a response to the stress of throwing. This adaptation is thought to occur while the athlete is skeletally immature, however currently there is limited research detailing how throwing activity in younger players influences the development of HRT. In addition, it is presently unclear how this changing osseous orientation may influence shoulder motion within young athletes...
November 16, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27849388/competition-level-differences-on-the-lower-quarter-y-balance-test-in-baseball-players
#16
Robert J Butler, Garrett Bullock, Todd Arnold, Phillip Plisky, Robin Queen
CONTEXT: Decreased performance in dynamic balance has previously been associated with a history of ulnar collateral ligament injury in baseball players. Previous research on dynamic balance in soccer players has shown that test performance depends on competition level. However, dynamic balance has yet to be examined in baseball players. OBJECTIVE: To understand normative values and determine differences in dynamic balance, as measured by the Lower Quarter Y-Balance Test, across competition levels in baseball players...
November 16, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27834550/ironic-and-reinvestment-effects-in-baseball-pitching-how-information-about-an-opponent-can-influence-performance-under-pressure
#17
Rob Gray, Anders Orn, Tim Woodman
Are pressure-induced performance errors in experts associated with novice-like skill execution (as predicted by reinvestment/conscious processing theories) or expert execution towards a result that the performer typically intends to avoid (as predicted by ironic processes theory)? The present study directly compared these predictions using a baseball pitching task with two groups of experienced pitchers. One group was shown only their target while the other was shown the target and an ironic (avoid) zone. Both groups demonstrated significantly fewer target hits under pressure...
November 11, 2016: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/27833713/extensive-cervicomediastinal-emphysema-from-mastoid-injury
#18
Yasmina Ahmed, Matthew Ng
Traumatic cervicomediastinal emphysema resulting from isolated head trauma is a rare occurrence. Herein, we describe a patient who sustained a closed mastoid injury after being struck with a batted baseball, resulting in acute extensive cervicomediastinal emphysema. Upon further assessment, the patient's aerodigestive tract was determined to have remained intact and unaffected by the injury. The source of soft-tissue air originated from the fractured mastoid. This case demonstrates the protective properties of a well-pneumatized mastoid...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27831722/contributions-of-perceptual-and-motor-experience-of-an-observed-action-to-anticipating-its-result
#19
Yin-Hua Chen, Pei-Hong Lee, Yu-Wen Lu, Shih-Kuei Huang, Nai-Shing Yen
To gain deeper insight into respective contributions of perceptual and motor experience of an observed action to anticipating its result, we examined the perceptual anticipation of players with different action roles in striking sports. Baseball pitchers and batters at both advanced and intermediate levels were asked to make a decision about whether to swing the bat when viewing a series of videos showing incomplete sequences of a model pitcher throwing a strike or a ball. The results revealed that first 100 ms of ball flight could discriminate advanced batters from intermediate pitchers and batters (with no difference between intermediate pitchers and batters)...
November 10, 2016: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/27827880/wearable-imu-for-shoulder-injury-prevention-in-overhead-sports
#20
Samir A Rawashdeh, Derek A Rafeldt, Timothy L Uhl
Body-worn inertial sensors have enabled motion capture outside of the laboratory setting. In this work, an inertial measurement unit was attached to the upper arm to track and discriminate between shoulder motion gestures in order to help prevent shoulder over-use injuries in athletics through real-time preventative feedback. We present a detection and classification approach that can be used to count the number of times certain motion gestures occur. The application presented involves tracking baseball throws and volleyball serves, which are common overhead movements that can lead to shoulder and elbow overuse injuries...
November 3, 2016: Sensors
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