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Elbow strength and baseball

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
Donald S Bae, Eitan M Ingall, Patricia E Miller, Katherine Eisenberg
BACKGROUND: Osteochondral autologous transplantation surgery (OATS) has been advocated for unstable osetochondritis dissecans (OCD) lesions of the adolescent capitellum, though limited information is available regarding clinical and radiographic results in North American patients. We hypothesize that single-plug OATS is safe and effective in alleviating pain and restoring function in unstable OCD. METHODS: Twenty-eight patients with unstable OCD treated with single-plug OATS were evaluated...
January 10, 2018: Journal of Pediatric Orthopedics
Jun Sakata, Emi Nakamura, Tatsuhiro Suzuki, Makoto Suzukawa, Atsushi Akaike, Kuniaki Shimizu, Norikazu Hirose
BACKGROUND: Youth baseball players are at high risk for elbow injuries, which can lead to future functional disability. PURPOSE: To evaluate the effectiveness of a prevention program to lower the risk of medial elbow injury in these athletes. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: Youth baseball players, 8 to 11 years old, without a history of elbow and shoulder pain, were allocated to either the intervention (n = 136) or control (n = 169) group...
February 2018: 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
Hitoshi Shitara, Atsushi Yamamoto, Daisuke Shimoyama, Tsuyoshi Ichinose, Tsuyoshi Sasaki, Noritaka Hamano, Akira Ueno, Fumitaka Endo, Atsufumi Oshima, Hideo Sakane, Masahiro Tachibana, Yusuke Tomomatsu, Tsuyoshi Tajika, Tsutomu Kobayashi, Toshihisa Osawa, Haku Iizuka, Kenji Takagishi
We prospectively evaluated the effects of a prevention program on the incidence of shoulder and elbow injuries in high school baseball pitchers. Ninety-two pitchers participated in this study and were taught to perform stretching and strength exercises aimed at improving shoulder external rotation strength in the preseason. The pitchers freely chose to participate in one of four groups [SM-group: performed both exercises, S-group: performed stretching exercise only, M-group: performed strength training only, and N-group: performed neither intervention]...
March 27, 2017: Scientific Reports
M Guzzini, A Vadalà, A Agrò, V Di Sanzo, D Pironi, A Redler, P Serlorenzi, L Proietti, C Civitenga, D Mazza, R M Lanzetti, Andrea Ferretti
OBJECTIVE: The best treatment for moderately displaced radial head fractures (Mason type II) still remains controversial. In cases of isolated fractures, there is no evidence that a fragment displacement of ≥ 2 mm gives poor results in conservatively treated fractures. PATIENTS AND METHODS: We retrospectively reviewed 52 patients (31M, 21F) affected by an isolated Mason type II fracture, treated with a long arm cast for two weeks between 2008 and 2013. All patients had practiced sports before being injured...
September 2017: Il Giornale di Chirurgia
Jorge Delgado, Diego Jaramillo, Nancy A Chauvin
Increased physical activity in childhood has resulted in a large number of sports-related injuries. Although there is overlap between the sports-related injuries seen in pediatric and adult patients, important differences exist in the injury patterns of pediatric patients. These differences are related to the continuous changes in the developing skeleton and its relationship with adjacent soft tissues. The imbalance in strength between the growing bones and the nearby tendons and ligaments makes the bones prone to acute and chronic injuries...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Kevin Laudner, Jose Vazquez, Noelle Selkow, Keith Meister
CONTEXT: Baseball players, specifically pitchers, with symptomatic neurovascular occlusion often initially complain of arm fatigue and loss of ball control and velocity. As the compression continues complaints may manifest in dull pain, paresthesia, and decreased grip strength. OBJECTIVE: To determine the correlation between upper-extremity blood-flow volume and grip strength among baseball pitchers. DESIGN: Cross-sectional. SETTING: Athletic training room...
July 2017: Journal of Sport Rehabilitation
Benjamin L Oshlag, Tracy R Ray
Baseball pitchers and other throwing athletes place their elbows under tremendous stresses, making them vulnerable to a number of unique injuries. Skeletally immature throwers in particular are at a greater risk for growth plate and other bony injuries, due to the relative strengths of these tissues and the kinematics involved in throwing. Care should be taken to fully evaluate these injuries based on the particular history and presentation to properly direct treatment and rehabilitation. Patients, as well as other athletes, coaches, and families, also should be made aware of the significant risk factors for these injuries, especially those regarding pitch limits, proper mechanics, and sufficient rest...
September 2016: Current Sports Medicine Reports
Jun Sakata, Emi Nakamura, Makoto Suzukawa, Atsushi Akaike, Kuniaki Shimizu
BACKGROUND: The physical risk factors for a medial elbow injury in junior baseball players are unknown. PURPOSE: To identify the risk factors for an initial medial elbow injury in junior baseball players. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: Junior baseball players (aged 6-12 years) without a history of elbow pain underwent a clinical assessment, ultrasonography, and physical function measurements before the baseball season started...
January 2017: American Journal of Sports Medicine
Alberto Naoki Miyazaki, Marcelo Fregoneze, Pedro Doneux Santos, Luciana Andrade da Silva, Guilherme do Val Sella, Adriano Fernando Mendes Junior, André Lopes Soares, Leandro Jun Aihara, Sérgio Luiz Checchia
OBJECTIVE: To assess the relationship between shoulder mobility and strength and the presence of pain among baseball players. METHODS: Between April and July 2009, 55 baseball players were assessed by the Shoulder and Elbow Group of the School of Medical Sciences, Santa Casa de Misericórdia, São Paulo. They were all males, aged between 15 and 33 years (mean of 21); they attended an average of three training sessions per week and had been doing this sport for a mean of 10 years...
March 2011: Revista Brasileira de Ortopedia
Kevin Laudner, Jose Vazquez, Noelle Selkow, Keith Meister
CONTEXT: Baseball players, specifically pitchers, with symptomatic neurovascular occlusion often initially complain of arm fatigue, loss of ball control, and velocity. As the compression continues complaints may manifest into dull pain, paresthesia, and decreased grip strength. OBJECTIVE: To determine the correlation between upper extremity blood flow volume and grip strength among baseball pitchers. DESIGN: cross-sectional. SETTING: Athletic training room...
February 26, 2016: Journal of Sport Rehabilitation
D Trey Remaley, Bryce Fincham, Bryan McCullough, Kirk Davis, Charles Nofsinger, Charles Armstrong, Julie M Stausmire
BACKGROUND: Previous studies investigating the windmill softball pitch have focused primarily on shoulder musculature and function, collecting limited data on elbow and forearm musculature. Little information is available in the literature regarding the forearm. This study documents forearm muscle electromyographic (EMG) activity that has not been previously published. PURPOSE: Elbow and upper extremity overuse injuries are on the rise in fast-pitch softball pitchers...
January 2015: Orthopaedic Journal of Sports Medicine
J Craig Garrison, Chris Johnston, John E Conway
BACKGROUND: Ulnar Collateral Ligament (UCL) tears are common in baseball players. Alterations in rotator cuff strength are believed to be associated with injury to the shoulder and/or elbow in baseball players. HYPOTHESIS/PURPOSE: Baseball players diagnosed with a UCL tear will demonstrate decreased internal (IR) and external rotation (ER) force as an indication of isometric muscular strength in the throwing arm compared to IR and ER force of the throwing arm in healthy baseball players...
August 2015: International Journal of Sports Physical Therapy
Hitoshi Shitara, Tsutomu Kobayashi, Atsushi Yamamoto, Daisuke Shimoyama, Tsuyoshi Ichinose, Tsuyoshi Tajika, Toshihisa Osawa, Haku Iizuka, Kenji Takagishi
PURPOSE: To prospectively identify preseason physical factors for shoulder and elbow injuries during the season in high school baseball pitchers. METHODS: The study included 105 high school baseball pitchers [median age 16 (15-17) years]. The range of motion of the shoulder (90° abducted external and internal rotation) and elbow (extension/flexion), shoulder muscle strength (abduction and prone internal and external rotation), shoulder and elbow laxity, horizontal flexion, and scapular dyskinesis were assessed...
August 4, 2015: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Jeffrey S Corben, Sara A Cerrone, Julie E Soviero, Susan Y Kwiecien, Stephen J Nicholas, Malachy P McHugh
BACKGROUND: Monitoring pitch count is standard practice in minor league baseball but not in softball because of the perception that fast-pitch softball pitching is a less stressful motion. PURPOSE: To examine muscle fatigue after fast-pitch softball performances to provide an assessment of performance demand. STUDY DESIGN: Descriptive laboratory study. METHODS: Bilateral strength measurements (handheld dynamometer) were made on 19 female softball pitchers (mean age [±SD], 15...
August 2015: American Journal of Sports Medicine
Matthew J Solomito, Erin J Garibay, Jessica R Woods, Sylvia Õunpuu, Carl W Nissen
BACKGROUND: The incidence of upper extremity injuries in baseball pitchers is increasing. Over the past decade there has been a great deal of research attempting to elucidate the cause of these injuries, focusing mainly on the mechanics of the pitching arm with no examination of other key segments, such as the trunk. This is surprising, as coaches will often comment on trunk position in an effort to improve pitching outcomes. PURPOSE: To determine the association between contralateral trunk lean and ball velocity and the moments about the elbow and glenohumeral joint...
May 2015: American Journal of Sports Medicine
Scott T Watson, Douglas J Wyland
BACKGROUND: Treatment of type III acromioclavicular (AC) separations is controversial, especially in the dominant shoulder of a high-level throwing athlete. This case report describes the return to play after nonoperative management of a collegiate baseball pitcher with a severe type III AC separation in his throwing shoulder. HYPOTHESIS/PURPOSE: Case report of return to play with nonoperative management of a type III AC separation in the throwing shoulder of a collegiate pitcher...
February 2015: Physician and Sportsmedicine
James H Buffi, Katie Werner, Tom Kepple, Wendy M Murray
Baseball pitching imposes a dangerous valgus load on the elbow that puts the joint at severe risk for injury. The goal of this study was to develop a musculoskeletal modeling approach to enable evaluation of muscle-tendon contributions to mitigating elbow injury risk in pitching. We implemented a forward dynamic simulation framework that used a scaled biomechanical model to reproduce a pitching motion recorded from a high school pitcher. The medial elbow muscles generated substantial, protective, varus elbow moments in our simulations...
February 2015: Annals of Biomedical Engineering
Joshua D Harris, David M Lintner
The athlete's elbow is a remarkable example of motion, strength, and durability. The stress placed on the elbow during sport, including the throwing motion, may lead to soft-tissue ligamentous and nerve injury. The thrower's elbow illustrates one example of possible nerve injury about the elbow in sport, related to chronic repetitive tensile and compressive stresses to the ulnar nerve associated with elbow flexion and valgus position. Besides the throwing athlete, nerve injury from high-energy direct-impact forces may also damage nerves around the elbow in contact sports...
September 2014: Sports Medicine and Arthroscopy Review
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