Prevalence of posterior elbow problems in Japanese high school baseball players

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• 作者：Yoshikazu Kida ; MD^a ; ^b ; ¹ ; Toru Morihara ; MD^b ; ¹ ; Ryuhei Furukawa ; MD^b ; Tsuyoshi Sukenari ; MD^b ; Yoshihiro Kotoura ; MD^b ; Naoki Yoshioka ; MD^b ; Tatsuya Hojo ; MD^c ; Ryo Oda ; MD^b ; Yuji Arai ; MD^b ; Koshiro Sawada ; MD^d ; Hiroyoshi Fujiwara ; MD^b ; ^{fjwr@koto.kpu-m.ac.jp" class="auth_mail" title="E-mail the corresponding author} ; Toshikazu Kubo ; MD^b
• 关键词：Level III ; Cross-Sectional Design ; Epidemiology Study
• 刊名：Journal of Shoulder and Elbow Surgery
• 出版年：2016
• 出版时间：September 2016
• 年：2016
• 卷：25
• 期：9
• 页码：1477-1484
• 全文大小：920 K

文摘

Various posterior elbow problems cause posterior elbow pain among baseball players. We aimed to determine the prevalence and diagnoses associated with posterior elbow problems and post-treatment recovery time for returning to sports in Japanese high school baseball players when treated in the off-season.

Methods

A total of 576 Japanese high school baseball players who participated in baseball skill training camp during the off-season were enrolled in the study. The elbow of each player's throwing arm was assessed by use of a questionnaire and physical examination. Players with abnormal results were advised to visit the hospital. Players who visited the hospital were initially treated conservatively and underwent surgery if necessary. Retrospectively, players with positive physical examination results associated with posterior elbow pain, defined as olecranon tenderness and/or a positive elbow extension impingement test, were selected. Information about their position, elbow pain, physical examination results, diagnosis, treatment, and recovery time before returning to playing sports was assessed.

Results

Olecranon tenderness and/or positive elbow extension impingement test results were found in 76 players (13.2%). Of these, 33 agreed to visit the hospital for further diagnostic imaging and 25 players (75.8%) were diagnosed with posteromedial elbow impingement. By the next spring, 87.9% of players returned to sport, and 100% of players returned to sport before the next summer. The average recovery period was 77 ± 47 days.

Conclusion

Physical examinations related to posterior elbow injuries were positive in 13.2% of high school baseball players. The most common diagnosis for posterior elbow pain was posteromedial elbow impingement. All players returned to competitive sports activity levels within 77 ± 47 days.