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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/29770879/no-difference-in-the-graft-shift-between-a-round-and-a-rounded-rectangular-femoral-tunnel-for-anterior-cruciate-ligament-reconstruction-an-experimental-study
#2
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
#3
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
#4
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
#5
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/29738598/epidemiology-workload-and-performance-of-major-league-baseball-pitchers-placed-on-the-disabled-list
#6
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/29712541/refractory-ulnar-nerve-symptoms-in-an-adolescent-pitcher-with-medial-apophysitis
#7
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/29687011/incidence-of-elbow-ulnar-collateral-ligament-surgery-in-collegiate-baseball-players
#8
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
#9
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
https://www.readbyqxmd.com/read/29662911/unaccounted-workload-factor-game-day-pitch-counts-in-high-school-baseball-pitchers-an-observational-study
#10
Jason L Zaremski, Giorgio Zeppieri, Deborah L Jones, Brady L Tripp, Michelle Bruner, Heather K Vincent, MaryBeth Horodyski
Background: Throwing injuries are common in high school baseball. Known risk factors include excessive pitch counts, year-round pitching, and pitching with arm pain and fatigue. Despite the evidence, the prevalence of pitching injuries among high school players has not decreased. One possibility to explain this pattern is that players accumulate unaccounted pitch volume during warm-up and bullpen activity, but this has not yet been examined. Hypotheses: Our primary hypothesis was that approximately 30% to 40% of pitches thrown off a mound by high school pitchers during a game-day outing are unaccounted for in current data but will be revealed when bullpen sessions and warm-up pitches are included...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29601208/performance-and-return-to-sport-after-tommy-john-surgery-among-major-league-baseball-position-players
#11
Robert A Jack, Matthew B Burn, Kyle R Sochacki, Patrick C McCulloch, David M Lintner, Joshua D Harris
BACKGROUND: The anterior bundle of the medial ulnar collateral ligament (UCL) is the primary restraint to valgus stress at the elbow and is often injured among overhead throwing athletes. Despite prevention strategies, injuries to the elbow UCL are on the rise. PURPOSE: To determine (1) the return-to-sport (RTS) rate of Major League Baseball (MLB) position players after elbow medial UCL reconstruction, (2) postoperative career length and games per season, (3) pre- and postoperative performance, (4) postoperative performance versus matched control players, and (5) whether position players changed positions after UCL reconstruction...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29581995/role-of-rotational-kinematics-in-minimizing-elbow-varus-torques-for-professional-versus-high-school-pitchers
#12
Micheal J Luera, Brittany Dowling, Mitchel A Magrini, Tyler W D Muddle, Ryan J Colquhoun, Nathaniel D M Jenkins
Background: Elbow injury rates among baseball pitchers are rapidly rising. However, this increase has been most dramatic among high school (HS) pitchers. Purpose: To examine pitch velocity and the kinetic and kinematic characteristics of HS versus professional (PRO) pitchers to identify potential differences that may play a role in the increased risk of ulnar collateral ligament injury in youth pitchers. Study Design: Controlled laboratory study...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29576338/following-ulnar-collateral-ligament-reconstruction-professional-baseball-position-players-return-to-play-faster-than-pitchers-but-catchers-return-less-frequently
#13
Christopher L Camp, Stan Conte, John D'Angelo, Stephen A Fealy
BACKGROUND: Although much as been done to characterize trends of medial ulnar collateral ligament (UCL) reconstruction in pitchers, outcomes in position players (PPs) (non-pitchers) remain undefined in the current literature. METHODS: Three resources were combined to identify all known Major League Baseball and Minor League Baseball (MiLB) PPs who have ever undergone UCL reconstruction. A multitude of player and surgical variables were included. Trends over time were analyzed collectively, based on level of play, revision status (primary vs revision), and position...
March 23, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29570160/descriptive-profile-of-lumbopelvic-control-in-collegiate-baseball-pitchers
#14
Kevin G Laudner, Regan H Wong, James R Latal, Keith Meister
Laudner, K, Wong, R, Latal, J, and Meister, K. Descriptive profile of lumbopelvic control in collegiate baseball pitchers. J Strength Cond Res 32(4): 1150-1154, 2018-Throwing a baseball requires the transmission of forces generated in the lower extremity, through the trunk, then to the upper extremity, and ultimately out through the ball. Disruptions in this kinetic chain, specifically in lumbopelvic control, have been associated with decreased pitching performance and increased risk of injury. The purpose of this study was to establish normative data of lumbopelvic control among collegiate baseball pitchers...
April 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29543498/effect-of-predraft-ulnar-collateral-ligament-reconstruction-on-future-performance-in-professional-baseball-a-matched-cohort-comparison
#15
Christopher L Camp, Stan Conte, John D'Angelo, Stephen A Fealy, Christopher S Ahmad
BACKGROUND: In recent years, there has been a dramatic rise in the annual number of ulnar collateral ligament (UCL) reconstructions performed in amateur baseball pitchers. Accordingly, increasing numbers of players are entering professional baseball having already undergone the procedure; however, the effect of prior UCL reconstruction on future success remains unknown. PURPOSE: (1) To provide an epidemiologic report on baseball players who undergo UCL reconstruction before being selected in the Major League Baseball (MLB) Draft, (2) to define the outcomes in terms of statistical performance, and (3) to compare these results with those of matched controls (ie, non-UCL reconstruction)...
May 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29511703/shoulder-mri-abnormalities-in-asymptomatic-little-league-baseball-players
#16
Andrew T Pennock, Jerry Dwek, Emily Levy, Philip Stearns, John Manning, M Morgan Dennis, Amanda Davis-Juarez, Tracey Bastrom, Kenneth S Taylor
Background: Youth baseball is extremely popular in the United States, but it has been associated with shoulder pain and injury. The incidence of shoulder abnormalities in this athletic population has yet to be defined. Purpose: To examine abnormalities noted on magnetic resonance imaging (MRI) in the shoulders of asymptomatic Little League baseball players and to correlate these findings with the players' throwing history and physical examinations. Study Design: Case-control study; Level of evidence, 3...
February 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29489442/the-long-shadow-of-rivalry-rivalry-motivates-performance-today-and-tomorrow
#17
Brian E Pike, Gavin J Kilduff, Adam D Galinsky
Research has established that competing head to head against a rival boosts motivation and performance. The present research investigated whether rivalry can affect performance over time and in contests without rivals. We examined the long-term effects of rivalry through archival analyses of postseason performance in multiple high-stakes sports contexts: National Collegiate Athletic Association (NCAA) Division I Men's Basketball and the major U.S. professional sports leagues: National Basketball Association (NBA), National Football League (NFL), Major League Baseball (MLB), and National Hockey League (NHL)...
May 2018: Psychological Science
https://www.readbyqxmd.com/read/29484242/trunk-lean-during-a-single-leg-squat-is-associated-with-trunk-lean-during-pitching
#18
Hillary A Plummer, Gretchen D Oliver, Christopher M Powers, Lori A Michener
Background: Impaired trunk motion during pitching may be a risk factor for upper extremity injuries. Specifically, increased forces about the shoulder and elbow have been observed in pitchers with excessive contralateral trunk lean during pitching. Because of the difficulty in identifying abnormal trunk motions during a high-speed task such as pitching, a clinical screening test is needed to identify pitchers who have impaired trunk motion during pitching. Hypothesis/Purpose: The purpose of this study was to determine the relationship between the degree of lateral trunk lean during the single-leg squat and amount of trunk lean during pitching and if trunk lean during pitching can be predicted from lean during the single-leg squat...
February 2018: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29482860/performance-return-to-play-and-career-longevity-after-ulnar-collateral-ligament-reconstruction-in-professional-catchers
#19
Nathan E Marshall, Toufic R Jildeh, Kelechi R Okoroha, Fabien Meta, Vincent A Lizzio, Vasilios Moutzouros, Eric C Makhni
PURPOSE: The purpose of our study was to evaluate return to play and postinjury performance of professional catchers who sustained an ulnar collateral ligament (UCL) rupture requiring surgical reconstruction. We looked to evaluate these players to determine the rate of return to play, the level of return to play, and career longevity after surgery as well as how statistical performance is affected by reconstruction. METHODS: Twenty-five professional catchers who underwent UCL reconstruction between 1985 and 2015 were identified and compared with an age-, position-, and competition-matched control group...
February 23, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29433647/the-success-of-return-to-sport-after-ulnar-collateral-ligament-injury-in-baseball-a-systematic-review-and-meta-analysis
#20
REVIEW
Scott D Peters, Garrett S Bullock, Adam P Goode, Grant E Garrigues, David S Ruch, Michael P Reiman
BACKGROUND: Ulnar collateral ligament injury (UCLI) has significantly increased in overhead sports during the past 2 decades. Differences in return to sport (RTS) and RTS at previous level (RTSP) after UCLI have not been differentiated. METHODS: A computer-assisted literature search of PubMed, CINAHL, Embase, and SportDiscus databases using keywords related to RTS for UCLI was implemented. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were used for study methodology...
March 2018: Journal of Shoulder and Elbow Surgery
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