| The Findings of Physical Examination and Ultrasonography at the Shoulders in High School Baseball Players. |
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Lim, Kil Byung , Lee, Hong Jae , Joo, Sung Joo , Cho, Young Jae , Chai, Ji Won |
1Department of Rehabilitation Medicine, Inje University, College of Medicine, Korea. zzuchu@ilsanpaik.ac.kr
2Department of Institute of Rehabilitation in Sports Medicine, Inje University, Korea. |
| 고교 야구 선수 견관절의 이학적 검사와 초음파 검사 소견 |
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임길병, 이홍재, 주성주, 조영재1, 채지원1 |
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인제대학교 의과대학 재활의학교실, 1인제대학교 스포츠재활연구소 |
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| Abstract |
Objective
The purpose of this study was to investigate physical and ultrasonographic (US) imaging findings in pain-free shoulders of high school baseball players.
Method
Physical examination including range of motion (ROM) and several pain provocative tests and US examination on both shoulders in forty-one high school baseball players were performed. The findings of these examinations were classified according to the dominance of shoulders and position of the players and described.
Results
Neer, Jobe, Hawkins test, and acromioclavicular tenderness were positive in 33.3%, 4.8%, 28.6%, and 38.3% respectively. Dominant shoulders had larger ROM of exter-nal rotation and internal rotation than non-dominant shoulders (p＜0.05). Dominant shoulders of pitchers group had larger ROM of external rotation and smaller ROM of internal rotation than those of non-pitchers group (p＜0.05). Dominant supraspinatus tendons of pitchers group were thicker than those of non-pitchers group (p＜0.05).
Conclusion
About one third of pain-free shoulders of baseball players showed positive in pain provocative tests. There were several differences in shoulder ROM and ultrasonographic thickness of supraspinatus tendon according to the dominance of shoulders and position of players. (J Korean Acad Rehab Med 2005; 29: 81-86) |
| Key Words:
Baseball, High school, Shoulder, Ultrasonography |
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