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https://www.readbyqxmd.com/read/27903163/ultrasound-imaging-of-ulnar-collateral-ligament-injury
#1
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
#2
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
#3
Volkmar Waterkamp, Meret Ricklin, Benoît 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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/27825284/surgical-management-of-acute-claw-hand-in-a-competitive-baseball-player
#14
Lucas S McDonald, Ryan M Degen, David W Altchek
We describe an unusual case of acute ulnar neuropathy with a flexible claw hand deformity in a baseball pitcher. Treatment involved ulnar nerve decompression at the elbow with subsequent recurrence of symptoms upon return to pitching. Definitive treatment included a wide secondary release of tethered locations resulting in return of function. At final follow-up the patient has returned to unrestricted baseball throwing activities.
November 8, 2016: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/27816096/editorial-commentary-anterior-cruciate-ligament-injury-and-our-national-pastime
#15
EDITORIAL
Michael G Ciccotti
Baseball players are most likely to incur an anterior cruciate ligament injury while fielding or base running. Infielders and outfielders are most at risk, followed by pitchers. Return to play at the preinjury level after anterior cruciate ligament reconstruction is highly likely for these athletes.
November 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27815010/determinants-of-major-league-baseball-pitchers-career-length
#16
Rich Hardy, Tiwaloluwa Ajibewa, Ray Bowman, Jefferson C Brand
PURPOSE: To investigate variables (injury, position, performance, and pitching volume) that affect the career longevity of Major League Baseball pitchers. METHODS: To be eligible, pitchers must have entered Major League Baseball between 1989 and 1992 without missing information for the variables on the website http://www.baseball-reference.com. The variables assessed were average innings pitched per year before and after age 25 years, earned run average, walks and hits divided by innings pitched, strikeout to walk ratio, pitching position, time on the disabled list, length of career, and starting and retirement age...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27814408/hat-wearing-patterns-in-spectators-attending-baseball-games-a-10-year-retrospective-comparison
#17
Aaron S Farberg, Stephen Donohue, Darrell S Rigel
Spectators at baseball games may receive a considerable amount of exposure to solar UV radiation (UVR). The purpose of this study was to evaluate if public education about sun protection over the last 10 years has impacted the use of hats at Major League Baseball (MLB) games. Photographs of seating sections during a 3-game series in New York, New York, were obtained and analyzed to evaluate the percentage of spectators wearing hats. Different seating sections were evaluated (sunny, shaded, bleachers) and assessed as well as compared to similar data reported 10 years prior...
September 2016: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/27812702/epidemiology-of-sports-related-eye-injuries-in-the-united-states
#18
R Sterling Haring, Isaac D Sheffield, Joseph K Canner, Eric B Schneider
Importance: Ocular trauma can lead to lifelong sequelae, and sports-related ocular injuries have been shown to disproportionately affect the young. Studies quantifying and characterizing the incidence and type of injuries seen with sports-related ocular trauma may be useful for resource utilization, training, and prevention efforts. Objective: To examine the emergency department (ED) burden of sports-related ocular trauma in the United States. Design, Setting, and Participants: This retrospective, cross-sectional study examined the Nationwide Emergency Department Sample, containing data from approximately 30 million ED visits annually at more than 900 hospitals nationwide, from January 1, 2010, to December 31, 2013, to determine factors associated with sports-related ocular trauma...
November 3, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/27810848/effects-of-a-short-duration-stretching-drill-after-pitching-on-elbow-and-shoulder-range-of-motion-in-professional-baseball-pitchers
#19
Rafael F Escamilla, Kyle Yamashiro, Tony Mikla, Jeff Collins, Keith Lieppman, James R Andrews
BACKGROUND: A glenohumeral internal rotation (IR) deficit or a total rotational motion (IR plus external rotation [ER]) deficit in the throwing shoulder compared with the nonthrowing shoulder has been shown to increase the risk of shoulder and elbow injuries. After a pitching session, both IR and total rotational motion deficits have been shown to occur naturally for an extended period of time in asymptomatic pitchers, but it is unclear how to best control these deficits between pitching sessions...
November 3, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27803871/analysis-on-sports-and-recreation-activity-related-eye-injuries-presenting-to-the-emergency-department
#20
Sungbae Moon, Hyun Wook Ryoo, Jae Yun Ahn, Jung Bae Park, Kang Suk Seo, Sang Do Shin, Kyoung Jun Song, Kang Hyun Lee, In Sool Yoo, Jin Seong Cho, Hyun Ho Ryu, Tae Oh Jeong, Seok Ran Yeom, Young Taek Kim, Sung Ok Hong
AIM: To investigate the incidence and general characteristics of sports-related eye injuries in patients visiting the Emergency Department. METHODS: A cross-sectional, multi-center, observational study. Patients with an injured eye who visited the Emergency Department at one of nine hospitals in Korea were enrolled. All data were prospectively collected between March and September 2010 using a questionnaire. Eye injuries that occurred during risky sports were examined by gender and age...
2016: International Journal of Ophthalmology
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