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https://www.readbyqxmd.com/read/29780844/outcomes-and-return-to-sport-after-ulnar-collateral-ligament-reconstruction-in-adolescent-baseball-players
#1
Michael Saper, Joseph Shung, Stephanie Pearce, Viviana Bompadre, James R Andrews
Background: The number of ulnar collateral ligament (UCL) reconstructions in adolescent athletes has increased over the past 2 decades. Clinical results in this population have not been well studied. Purpose/Hypothesis: The purpose of this study was to evaluate the outcomes and return to sport after UCL reconstruction in a large group of adolescent baseball players. We hypothesized that excellent clinical outcomes and high rates of return to sport would be observed in this population at a minimum 2-year follow-up...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29780836/defining-platelet-rich-plasma-usage-by-team-physicians-in-elite-athletes
#2
David E Kantrowitz, Ajay S Padaki, Christopher S Ahmad, T Sean Lynch
Background: The indications for the use of platelet-rich plasma (PRP) are vaguely defined despite the frequency of its use as a treatment for athletes. While select studies have advocated for its efficacy, the majority of orthopaedic research conducted on the topic has been equivocal. Purpose: To define the use of PRP in elite athletes by team physicians from professional sports leagues. Study Design: Cross-sectional study. Methods: A survey assessing treatment timing, usage patterns, indications, and complications was generated by fellowship-trained sports medicine orthopaedic surgeons...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775388/epidemiology-of-elbow-ulnar-collateral-ligament-injuries-among-baseball-players-national-collegiate-athletic-association-injury-surveillance-program-2009-2010-through-2013-2014
#3
Steven F DeFroda, Avi D Goodman, Joseph A Gil, Brett D Owens
BACKGROUND: Injuries to the ulnar collateral ligament (UCL) of the elbow are of major concern in baseball; however, the epidemiology of these injuries among National Collegiate Athletic Association (NCAA) athletes is poorly described. PURPOSE: To determine the incidence of UCL injuries in NCAA baseball and investigate the risk factors involved. STUDY DESIGN: Descriptive epidemiology study. METHODS: All UCL injuries for academic years 2009-2010 through 2013-2014 were extracted from the NCAA Injury Surveillance Program database...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29771138/rate-of-upper-extremity-injury-in-high-school-baseball-pitchers-who-played-catcher-as-a-secondary-position
#4
Elizabeth E Hibberd, Sakiko Oyama, Joseph B Myers
CONTEXT:   Many high school pitchers play another position after they have finished pitching for the day or on their rest days from pitching. Because of the cumulative demands on the arm, pitchers who also play catcher may have a greater risk of developing a throwing-related shoulder or elbow injury. OBJECTIVE:   To compare the rate of throwing-related upper extremity injuries between high school baseball pitchers who also played catcher as a secondary position and those who did not play catcher...
May 17, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29770879/no-difference-in-the-graft-shift-between-a-round-and-a-rounded-rectangular-femoral-tunnel-for-anterior-cruciate-ligament-reconstruction-an-experimental-study
#5
Yasushi Takata, Junsuke Nakase, Takeshi Oshima, Kengo Shimozaki, Kazuki Asai, Hiroyuki Tsuchiya
INTRODUCTION: We developed a novel technique of creating a rounded rectangular femoral bone tunnel for anatomical, single-bundle, autologous hamstring tendon anterior cruciate ligament (ACL) reconstruction. Although this tunnel has many advantages, its non-circular shape has raised concerns regarding excessive graft shift within the bone tunnel. This study aimed to compare the graft shift between round and rounded rectangular tunnels using a graft diameter tester for simulating the femoral bone tunnel...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29768041/getting-hit-by-pitch-in-professional-baseball-analysis-of-injury-patterns-risk-factors-concussions-and-days-missed-for-batters
#6
Christopher L Camp, Dean Wang, Alec S Sinatro, John D'Angelo, Struan H Coleman, Joshua S Dines, Stephen Fealy, Stan Conte
BACKGROUND: Although batters are frequently hit by pitch (HBP) in baseball, the effect of HBP injuries remains undefined in the literature. PURPOSE: To determine the effect of HBP injuries in terms of time out of play, injury patterns resulting in the greatest time out of play, and the value of protective gear such as helmets and elbow pads. STUDY DESIGN: Descriptive laboratory study. METHODS: Based on the Major League Baseball (MLB) Health and Injury Tracking System, all injuries to batters HBP during the 2011-2015 MLB and Minor League Baseball (MiLB) seasons were identified and analyzed...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29768026/return-to-play-and-performance-outcomes-of-professional-athletes-in-north-america-after-hip-arthroscopy-from-1999-to-2016
#7
Michael S Schallmo, Thomas H Fitzpatrick, Hunter B Yancey, Alejandro Marquez-Lara, T David Luo, Allston J Stubbs
BACKGROUND: The effect of hip arthroscopy on athletic performance compared with preinjury levels for professional athletes in different sports remains unknown. In addition, while return rates have been reported for professional baseball, football, and hockey players, return rates have not been reported for professional basketball players. HYPOTHESIS: Professional athletes in 4 major North American sports would be able to return to their sport and preoperative level of performance at a high rate after arthroscopic hip surgery...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29752207/a-cross-sport-comparison-of-performance-based-outcomes-of-professional-athletes-following-primary-microfracture-of-the-knee
#8
Michael S Schallmo, Sameer K Singh, Kathryn A Barth, Ryan D Freshman, Harry T Mai, Wellington K Hsu
BACKGROUND: The purpose of this study was to compare performance-based outcomes among professional athletes in four major North American sports following microfracture to treat symptomatic chondral defects of the knee. METHODS: Major League Baseball (MLB), National Basketball Association (NBA), National Football League (NFL), and National Hockey League (NHL) athletes who underwent primary unilateral microfracture of the knee were identified through a previously reported protocol based on public sources...
May 8, 2018: Knee
https://www.readbyqxmd.com/read/29746146/predictors-of-elbow-torque-among-youth-and-adolescent-baseball-pitchers
#9
Kelechi R Okoroha, Vincent A Lizzio, Fabien Meta, Christopher S Ahmad, Vasilios Moutzouros, Eric C Makhni
BACKGROUND: There has been an increasing incidence of overuse elbow injuries among youth and adolescent pitchers. Pitch type has been implicated as a risk factor for excess torque at the medial elbow; however, this has not been definitively demonstrated. PURPOSE: To assess predictors of torque across the medial elbow in youth and adolescent pitchers with a mobile sensor. In addition, the authors aimed to determine the differences in elbow torque produced according to pitch type (fastball, curveball, changeup) and pitcher demographics...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29742071/application-of-a-baseball-suture-technique-in-uterine-myomectomy-following-laparoscopic-enucleation-of-uterine-leiomyoma-fibroid
#10
Lingling Xie, Yunyun Liu, Dongyan Wang, Changhao Liu, Hui Zhou, Zhongqiu Lin, Huaiwu Lu
BACKGROUND The aim of this study was to evaluate the safety and efficacy of a 'baseball' suture technique for uterine myomectomy incision closure in laparoscopic surgical enucleation of uterine leiomyoma (fibroid). MATERIAL AND METHODS The study included 20 patients who underwent laparoscopic myomectomy with a 'baseball' suture technique, compared with 20 patients who underwent laparoscopic myomectomy with a standard suture method. Clinical characteristics, perioperative and follow-up data were compared between the two groups...
May 9, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29738598/epidemiology-workload-and-performance-of-major-league-baseball-pitchers-placed-on-the-disabled-list
#11
Nathan E Marshall, Toufic R Jildeh, Kelechi R Okoroha, Ankur Patel, Vasilios Moutzouros, Eric C Makhni
There is limited information on the effect of pitcher workload, pitch type, and performance of Major League Baseball pitchers placed on the disabled list (DL). This study evaluated demographic, performance, workload, and injury data of 330 Major League Baseball pitchers with 454 injuries who were placed on the DL during the 2014 and 2015 seasons. Upper extremity, lower extremity, core, hip/groin, and other injuries were analyzed, and injury year data were compared with career data as well as against other injury groups...
May 8, 2018: Orthopedics
https://www.readbyqxmd.com/read/29730137/differentiation-of-bony-and-soft-tissue-adaptations-of-the-shoulder-in-professional-baseball-pitchers
#12
Katherine E Reuther, Scott Sheridan, Stephen J Thomas
BACKGROUND: Baseball pitching places tremendous forces on the arm, which may lead to structural tissue adaptations that are represented by changes in rotational range of motion (ROM). These adaptations often include both bony and soft tissue; however, the contribution of each tissue to the change in motion is not always clinically attainable. The purposes of this study were to determine the adaptations of ROM, bone, and soft tissue bilaterally and to examine the correlation between clinical ROM and humeral retroversion (HR)-corrected ROM...
May 2, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29719010/fat-fracture-a-rare-cause-of-anterior-and-medial-knee-pain-in-a-professional-baseball-player
#13
Ronak M Patel, Lonnie Soloff, Jason Genin, Pamela Lund, Mark S Schickendantz
Blunt trauma to the anterior knee typically results in a contusion or fracture of the patella. Additionally, injury to the extensor mechanism may come from a partial or full disruption of the patellar or quadriceps tendon. A professional baseball player suffered an injury to his knee after he collided with an outfield wall. Acute swelling in the suprapatellar soft tissues concealed a palpable defect, which initially was suspected to be an injury to the quadriceps tendon. Magnetic resonance imaging of the knee revealed an intact extensor mechanism; moreover, a fracture of the subcutaneous fat anterior to the quadriceps tendon was evident and diagnosed as a fat fracture...
April 2018: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29718915/are-canadian-born-major-league-baseball-players-more-likely-to-bat-left-handed-a-partial-test-of-the-hockey-influence-on-batting-hypothesis
#14
John Cairney, Daniele Chirico, Yao-Chuen Li, Emily Bremer, Jeffrey D Graham
It has been suggested that Canadian-born Major League Baseball (MLB) players are more likely to bat left-handed, possibly owing to the fact that they learn to play ice hockey before baseball, and that there is no clear hand-preference when shooting with a hockey stick; approximately half of all ice hockey players shoot left. We constructed a database on active (i.e., October, 2016) MLB players from four countries/regions based on place of birth (Canada, United States of America [USA], Dominican Republic and South Asia [i...
2018: PloS One
https://www.readbyqxmd.com/read/29712546/can-we-reduce-the-epidemic-of-elbow-injuries-in-youth-throwers
#15
Ajay S Padaki, Christopher S Ahmad
As participation in youth sports continues to increase across the nation, more adolescents are participating in Little League baseball in the United States than ever before. Accompanying this increased participation is an epidemic of upper extremity injuries in young throwers. In this Viewpoint, the authors discuss the impetus behind the youth thrower elbow injury epidemic and how to best evaluate these patients. J Orthop Sports Phys Ther 2018;48(5):354-357. doi:10.2519/jospt.2018.0607.
May 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29712541/refractory-ulnar-nerve-symptoms-in-an-adolescent-pitcher-with-medial-apophysitis
#16
Aaron R Hellem, Elena J Jelsing, Wendy J Hurd
A 16-year-old high school baseball pitcher with a 3-week history of acute-onset pain in his medial elbow during throwing presented to physical therapy. Following examination, physical therapy was initiated and the patient was referred for imaging, with suspicion of ulnar collateral ligament (UCL) injury. Radiographs were noncontributory. Ultrasound imaging, however, was performed by a physiatrist and was suggestive of a partial-thickness tear of the UCL and ulnar nerve enlargement. The physiatrist ordered magnetic resonance imaging, which confirmed a medial apophyseal stress reaction, a mild UCL sprain, and reactive ulnar nerve edema...
May 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29693567/optical-and-acoustic-sensor-based-3d-ball-motion-estimation-for-ball-sport-simulators-%C3%A2
#17
Sang-Woo Seo, Myunggyu Kim, Yejin Kim
Estimation of the motion of ball-shaped objects is essential for the operation of ball sport simulators. In this paper, we propose an estimation system for 3D ball motion, including speed and angle of projection, by using acoustic vector and infrared (IR) scanning sensors. Our system is comprised of three steps to estimate a ball motion: sound-based ball firing detection, sound source localization, and IR scanning for motion analysis. First, an impulsive sound classification based on the mel-frequency cepstrum and feed-forward neural network is introduced to detect the ball launch sound...
April 25, 2018: Sensors
https://www.readbyqxmd.com/read/29687013/effects-of-game-pitch-count-and-body-mass-index-on-pitching-biomechanics-in-9-to-10-year-old-baseball-athletes
#18
Jim D Darke, Eshan M Dandekar, Arnel L Aguinaldo, Scott J Hazelwood, Stephen M Klisch
Background: Pitching while fatigued and body composition may increase the injury risk in youth and adult pitchers. However, the relationships between game pitch count, biomechanics, and body composition have not been reported for a study group restricted to 9- to 10-year-old athletes. Hypothesis: During a simulated game with 9- to 10-year-old athletes, (1) participants will experience biomechanical signs of fatigue, and (2) shoulder and elbow kinetics will correlate with body mass index (BMI)...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29687011/incidence-of-elbow-ulnar-collateral-ligament-surgery-in-collegiate-baseball-players
#19
Marcus A Rothermich, Stan A Conte, Kyle T Aune, Glenn S Fleisig, E Lyle Cain, Jeffrey R Dugas
Background: Recent reports have highlighted the progressive increase in the incidence of ulnar collateral ligament (UCL) injuries to the elbow in baseball players of all levels. However, knowledge of the incidence and other epidemiological factors regarding UCL injuries, specifically in college baseball players, is currently lacking. Purpose: To evaluate, over a period of 1 year, the incidence of UCL injuries requiring surgery in National Collegiate Athletic Association (NCAA) Division I baseball programs...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29680328/epidemiology-of-ulnar-collateral-ligament-reconstruction-in-major-and-minor-league-baseball-pitchers-comprehensive-report-of-1429-cases
#20
Christopher L Camp, Stan Conte, John D'Angelo, Stephen A Fealy
BACKGROUND: The primary purpose of this work is to provide an epidemiologic report on every known ulnar collateral ligament (UCL) reconstruction performed in professional baseball with a special focus on outcomes and survivorship. METHODS: Three resources, including the Major League Baseball (MLB) injury tracking system, were combined and cross-referenced to identify all known professional baseball pitchers who had ever undergone UCL reconstruction from 1974 to 2016...
May 2018: Journal of Shoulder and Elbow Surgery
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