Japanese Journal of Athletic Training
Online ISSN : 2433-572X
Print ISSN : 2432-6623
Epidemiology of High School baseball Injuries —Research on Non-Time-Loss injuries—
Jun SAKATASatoshi KUBOTAMakiko AOYAMAMakoto SUZUKAWAKuniaki SHIMIZUYuma HANAKI
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2017 Volume 3 Issue 1 Pages 53-58

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Abstract

We aimed to identify the injury incidence including non-time-loss (NTL) injuries, which result in less than 24 hours of restriction from participation, in high school baseball players. A total of 80 male players (aged 15-17 years) participated in this study. Athletes were monitored for sports-related injury and number of athlete exposures (AEs) by athletic trainers and assistants. The overall injury incidence during the season was 10.2/1,000 AEs. The incidence of NTL injuries was higher than time loss injuries (7.4 vs. 2.8/1,000 AEs). The shoulder was the most commonly injured body part (2.2/1,000 AEs), followed by elbow (1.7/1,000 AEs) and low back (1.3/1,000 AEs). The shoulder and elbow injuries incidence of regular members (9.1/1,000 AEs) was significantly higher than non-regular members (2.4/1,000 AEs). The shoulder injuries showed significantly higher incidence in pitcher (4.2/1,000 AEs) compared to the other positions (1.7/1,000 AEs). The incidence of lower leg injuries was higher in the winter season (2.1/1,000 AEs) than the other seasons (0.4/1,000 AEs). In the future, preventing their injuries including NTL injuries is necessary.

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© 2019 Japanese Society for Athletic Training
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