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pitcher elbow

Christopher L Camp, Andrea M Spiker, John M Zajac, Dave Pearson, Alec M Sinatro, Joshua S Dines, Anil S Ranawat, Struan H Coleman
INTRODUCTION: The relationship of hip range of motion (ROM) to shoulder, elbow, abdominal, and back injuries remains undefined. METHODS: We assessed hip ROM on players reporting to Major League Spring Training for an organization over six seasons (2010 to 2015). Hip ROM was correlated with player abdominal, back, shoulder, and elbow injury status for those seasons using multivariate binomial logistic regression analysis. RESULTS: A total of 258 player-seasons (129 pitchers and 129 position players) resulted in 20 back and 35 abdominal injuries across all players and 28 elbow and 25 shoulder injuries in pitchers...
March 14, 2018: Journal of the American Academy of Orthopaedic Surgeons
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)...
March 1, 2018: American Journal of Sports Medicine
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
Terrance A Sgroi, John M Zajac
PURPOSE OF REVIEW: Throwing places high demands on the human body, and specific characteristics are developed over time unique to these athletes. When returning to throw after injury, it is important to follow a criterion-based progression that allows the body to be prepared appropriately for the stresses that throwing will require. There is currently a void in the literature for criteria-based progression that helps these athletes return to the highest level of play. RECENT FINDINGS: As injury rates continue to rise in baseball, there is increased evidence showing contributions of the core and lower extremity to the baseball pitch...
March 2018: Current Reviews in Musculoskeletal Medicine
Kaila A Holtz, Russell J O'Connor
Background: Softball is a popular sport with a high incidence of upper extremity injuries. The Kerlan-Jobe Orthopaedic Clinic (KJOC) questionnaire is a validated performance and functional assessment tool used in overhead athletes. Upper extremity pain patterns and baseline KJOC scores have not been reported for active female youth softball pitchers. Purpose/Hypothesis: The purpose of this study was to establish the prevalence of upper extremity pain and its effect in female youth softball pitchers over a competitive season...
January 2018: Orthopaedic Journal of Sports Medicine
Brandon J Erickson, Junyoung Ahn, Peter N Chalmers, Christopher S Ahmad, Bernard R Bach, Nikhil N Verma, Anthony A Romeo
Background: Ulnar collateral ligament reconstruction (UCLR) has become an increasingly common procedure among Major League Baseball (MLB) pitchers. The long-term effects of this procedure on the career of an MLB pitcher are largely unknown. Purpose/Hypothesis: The purpose of this study was to determine why and when MLB pitchers who underwent UCLR during their careers retired from baseball as compared with controls. We hypothesized that pitchers who underwent UCLR are no more likely than control pitchers to retire from elbow or shoulder problems...
December 2017: Orthopaedic Journal of Sports Medicine
Eric C Makhni, Vincent A Lizzio, Fabien Meta, Jeffrey P Stephens, Kelechi R Okoroha, Vasilios Moutzouros
PURPOSE: To assess the precision of a new wearable device in detecting medial elbow torque during the pitching motion in competitive baseball pitchers and to determine the differences in torque across pitch types and thrower demographic characteristics. METHODS: High school and collegiate baseball pitchers were recruited from August 1, 2016, to January 31, 2017, through direct request by athletic trainers and coaches. Body dimensions and throwing arm measurements of the participants were collected...
December 27, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
Susannah M Engdahl, Deanna H Gates
Assessments of upper limb performance should require participants to perform tasks that challenge the limits of their ability. In order to select appropriate tasks, it is important to know which joints are used to perform the movement and how reliably those movements can be measured. The purpose of this work was to quantify the reliability of upper limb and trunk joint angles in healthy adults during common activities of daily living (ADLs). Nineteen participants performed six ADLs with the right arm (applying deodorant, turning a doorknob, answering a desk telephone, placing a pushpin in a bulletin board, wiping a plate with a towel, and pouring water from a pitcher) during two separate sessions...
February 2018: Gait & Posture
Samuel F Thompson, Trent M Guess, Andreas C Plackis, Seth L Sherman, Aaron D Gray
CONTEXT: Pitching injuries in youth baseball are increasing in incidence. Poor pitching mechanics in young throwers have not been sufficiently evaluated due to the lack of a basic biomechanical understanding of the "normal" youth pitching motion. OBJECTIVE: To provide a greater understanding of the kinetics and kinematics of the youth baseball pitching motion. DATA SOURCES: PubMed, MEDLINE, and SPORTDiscus databases were searched from database inception through February 2017...
March 2018: Sports Health
Andrew V Pytiak, Matthew J Kraeutler, Dustin W Currie, Eric C McCarty, R Dawn Comstock
BACKGROUND: Pitching is a common mechanism of injury in baseball, with known risk factors for elbow injuries among adolescent pitchers. HYPOTHESIS: Elbow injury rates and mechanisms will differ between high school baseball and softball players. STUDY DESIGN: Descriptive epidemiology study. LEVEL OF EVIDENCE: Level 3. METHODS: Baseball- and softball-related injury data from the 2005-2006 through 2014-2015 academic years were collected from the High School Reporting Information Online (RIO) Internet-based data collection tool...
October 1, 2017: Sports Health
Michael G Saper, Lauren A Pierpoint, Wei Liu, R Dawn Comstock, John D Polousky, James R Andrews
BACKGROUND: Shoulder and elbow injuries are common in young athletes, especially high school baseball players. Understanding the risk factors associated with baseball injuries is an essential first step in the development of injury prevention strategies. PURPOSE: To provide a comprehensive understanding of the epidemiology of shoulder and elbow injuries among high school baseball players in the United States. STUDY DESIGN: Descriptive epidemiological study...
January 2018: American Journal of Sports Medicine
Matthew J Solomito, Erin J Garibay, Carl W Nissen
BACKGROUND: The incidence of upper extremity injury in baseball pitchers has increased over the past decade. This has resulted in a large body of research mainly focused on the kinematic and kinetic patterns of the elbow and shoulder to elucidate the cause of these injuries, with little attention on studying the associations of forearm rotation and upper arm joint moments. HYPOTHESIS: There will be significant differences in forearm kinematics and kinetics when comparing the fastball pitch with the curveball pitch...
October 1, 2017: American Journal of Sports Medicine
Glenn S Fleisig, Alek Z Diffendaffer, Brett Ivey, Kyle T Aune, Tony Laughlin, Dave Fortenbaugh, Becky Bolt, Wendy Lucas, Kevin D Moore, Jeffrey R Dugas
BACKGROUND: Pitching biomechanics are associated with performance and risk of injury in baseball. Previous studies have identified biomechanical differences between youth and adult pitchers but have not investigated changes within individual young pitchers as they mature. HYPOTHESIS: Pitching kinematics and kinetics will change significantly during a youth pitcher's career. STUDY DESIGN: Descriptive laboratory study. METHODS: Pitching biomechanics were captured in an indoor laboratory with a 12-camera, 240-Hz motion analysis system for 51 youth pitchers who were in their first season of organized baseball with pitching...
September 1, 2017: American Journal of Sports Medicine
Rafael F Escamilla, Glenn S Fleisig, Dave Groeschner, Ken Akizuki
BACKGROUND: In professional baseball pitchers, pitching biomechanics have not been examined for the slider, and the only known study for the curveball and changeup examined limited kinetics. Moreover, no known studies have investigated pitching biomechanics between strikes and balls. Purpose/Hypothesis: The purpose was to compare pitching biomechanics in professional baseball pitchers among the fastball, slider, curveball, and changeup and between balls and strikes. It was hypothesized that pitching kinematics and kinetics would be similar among the slider, fastball, and curveball; shoulder and elbow forces and torques would be significantly lower in the changeup; and pitching biomechanics would be similar between balls and strikes...
December 2017: American Journal of Sports Medicine
Adam M Smith, Thomas H Butler, Michael S Dolan
BACKGROUND: Elite-level women's fastpitch softball players place substantial biomechanical strains on the elbow that can result in medial elbow pain and ulnar neuropathic symptoms. There is scant literature reporting the expected outcomes of the treatment of these injuries. This study examined the results of treatment in a series of these patients. METHODS: We identified 6 female softball pitchers (4 high school and 2 collegiate) with medial elbow pain and ulnar neuropathic symptoms...
September 27, 2017: Journal of Shoulder and Elbow Surgery
Stephanie E Wong, Austin A Pitcher, David Y Ding, Nicola Cashman, Alan L Zhang, C Benjamin Ma, Brian T Feeley
BACKGROUND: Gender differences may exist for patients undergoing shoulder arthroplasty. Limited data suggest that women may have worse preoperative disability and outcomes. Our objective was to determine whether gender influences preoperative disability and patient-reported outcomes after reverse total shoulder arthroplasty. METHODS: Data were prospectively collected for patients who underwent reverse total shoulder arthroplasty for rotator cuff arthropathy or osteoarthritis with a rotator cuff tear at a single institution between 2009 and 2015...
September 11, 2017: Journal of Shoulder and Elbow Surgery
Tetsuya Matsuura, Toshiyuki Iwame, Naoto Suzue, Jyoji Iwase, Shunsuke Tamaki, Kenji Yokoyama, Koichi Sairyo
PURPOSE: To evaluate the clinical outcomes of arthroscopic treatment in adolescent baseball players with posteromedial elbow impingement. METHODS: This retrospective study evaluated the clinical outcome of arthroscopic treatment for posteromedial elbow impingement in adolescent baseball players. Patients were eligible for participation if they had undergone surgery at least 2 years earlier and excluded if they had arthritis, loose bodies, osteochondritis dissecans, ulnar collateral ligament tear, flexor/pronator injuries or medial epicondylitis, or nerve problems...
August 30, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
Michael D Feldman
Loss of shoulder motion, especially to flexion and external rotation, may increase the risk of nontraumatic shoulder and elbow injuries in elite pitchers. However, the etiology of these injuries is likely mulitifactorial, and before we direct our therapists to abandon sleeper stretches in favor of flexion and external rotation exercises, further research is needed to keep pitchers off the disabled list and on the mound.
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
Christopher L Camp, John M Zajac, David B Pearson, Alec M Sinatro, Andrea M Spiker, Brian C Werner, David W Altchek, Struan H Coleman, Joshua S Dines
PURPOSE: The primary aims of this work were to (1) describe normal range of motion (ROM) profiles for elite pitchers, (2) describe the characteristics of shoulder and elbow injuries in professional pitchers over a 6-year period in one Major League Baseball organization, and (3) identify ROM measures that were independently associated with a future shoulder or elbow injury. METHODS: Over 6 seasons (2010-2015), a preseason assessment was performed on all pitchers invited to Major League Baseball Spring Training for a single organization...
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
Christopher L Camp, Travis G Tubbs, Glenn S Fleisig, Joshua S Dines, David M Dines, David W Altchek, Brittany Dowling
BACKGROUND: Likely due to the high level of strain exerted across the elbow during the throwing motion, elbow injuries are on the rise in baseball. To identify at-risk athletes and guide postinjury return-to-throw programs, a better understanding of the variables that influence elbow varus torque is desired. PURPOSE: To describe the within-subject relationship between elbow varus torque and arm slot and arm rotation in professional baseball pitchers. STUDY DESIGN: Descriptive laboratory study...
November 2017: American Journal of Sports Medicine
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