Journal Article10.1177/0363546514529083
Major and Minor League Baseball Hamstring Injuries Epidemiologic Findings From the Major League Baseball Injury Surveillance System
Christopher S. Ahmad,Randall W. Dick,Edward Snell,Nick D. Kenney,Frank C. Curriero,Keshia M. Pollack,John P. Albright,Bert R. Mandelbaum +7 more
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TL;DR: Base running was the top activity for sustaining a hamstring strain in both major and minor leagues, associated with almost two-thirds of hamstring strains, and resulted in more than 7 days of time loss.
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Abstract: Background:Hamstring strains are a recognized cause of disability for athletes in many sports, but no study exists that reports the incidence and circumstances surrounding these injuries in professional baseball.Hypothesis:Professional baseball players have a high incidence of hamstring strains, and these injuries are influenced by multiple factors including history of hamstring injury, time period within the season, and activity of base running.Study Design:Descriptive epidemiologic study.Methods:For the 2011 season, injury data were prospectively collected for every Major League Baseball (MLB) major and minor league team and recorded in the MLB’s Injury Surveillance System. Data collected for this study included date of injury, activity in which the player was engaged at the time of injury, and time loss. Injury rates were reported in injuries per athlete-exposure (A-E). Athlete-exposures were defined as the average number of players on a team who were participating in a game multiplied by the number of...
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Citations
Prevalence of hamstring injuries in summer league baseball players
James Zachazewski,Holly Silvers,Bernard Li,Ryan Pohlig,Christopher Ahmad,Bert Mandelbaum +5 more
TL;DR: A cross-sectional study of 201 summer league baseball players found a 23.4% prevalence of hamstring injuries, with position players (33.3%) more likely to be affected than pitchers (12.9%), and a 27.7% reoccurrence rate among those with prior injuries.
Effect of Dry Needling on Thigh Muscle Strength and Hip Flexion in Elite Soccer Players.
Christian Haser,Thomas Stöggl,Monika Kriner,Jörg Mikoleit,Bernd Wolfahrt,Johannes Scherr,Martin Halle,Florian Pfab +7 more
TL;DR: Compared with placebo, DN showed a significant effect on muscular endurance and hip flexion range of motion that persisted 4 wk posttreatment, and compared with nonintervention control, it showed asignificant effect on maximum force of knee extensors 4 wK posttreatment in elite soccer players.
Sports injury surveillance systems: a review of methods and data quality
TL;DR: A shortage of ongoing injury surveillance data from amateur and community sport settings and limited information about the quality of data in professional and elite settings is identified.
Hamstring strain injury prevention: current beliefs and practices of practitioners working in Major League Baseball.
Stephanie Lazarczuk,Jonathon Headrick,Jack T. Hickey,Ryan G. Timmins,Furey A Leva,Matthew N. Bourne +5 more
TL;DR: A cross-sectional study of 91 MLB practitioners identified internal communication as the most important extrinsic risk factor for hamstring strain injuries, with managing workload and periodization as the most effective prevention strategies.
•Journal Article
Prevalence of hamstring injuries in summer league baseball players.
James Zachazewski,Holly J. Silvers,Bernard Li,Ryan T. Pohlig,Christopher S. Ahmad,Bert R. Mandelbaum +5 more
TL;DR: A large number of position players and pitchers who report for summer league baseball have a history of posterior thigh pain and HSI, and those with prior injuries have a high reoccurrence rate.
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TL;DR: Hamstring strains accounted for 12% of the total injuries over the two seasons with nearly half (53%) involving the biceps femoris and only 5% of hamstring strains underwent some form of diagnostic investigation.
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Strength Imbalances and Prevention of Hamstring Injury in Professional Soccer Players: A Prospective Study
TL;DR: Results showed that isokinetic intervention gives rise to the preseason detection of strength imbalances, a factor that increases the risk of hamstring injury and restoring a normal strength profile decreases the muscle injury incidence.
Muscle Flexibility as a Risk Factor for Developing Muscle Injuries in Male Professional Soccer Players A Prospective Study
TL;DR: Results indicate that soccer players with an increased tightness of the hamstring or quadriceps muscles have a statistically higher risk for a subsequent musculoskeletal lesion.
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Previous injury as a risk factor for injury in elite football: a prospective study over two consecutive seasons
TL;DR: Overall injury incidences were similar between consecutive seasons, indicating that an injury surveillance study covering one full season can provide a reasonable overview of the injury problem among elite football players in a specific environment, but a prolonged study period is recommended for analyses of specific injury patterns.
Incidence, Risk, and Prevention of Hamstring Muscle Injuries in Professional Rugby Union:
TL;DR: Players undertaking Nordic hamstring exercises in addition to conventional stretching and strengthening exercises had lower incidences and severities of injury during training and competition.
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