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最終更新日：2024/05/01
笹代 純平
ササダイ ジュンペイ
(JUNPEI SASADAI)
論文
- タイトル
- タイトル（英）
- Ultrasonographic evaluation of the shoulders and its associations with shoulder pain, age, and swim training in masters swimmers.
- 参照URL
- https://researchmap.jp/junpei.sasadai/published_papers/31388488
- 著者
- 著者（英）
- Yuta Suzuki,Noriaki Maeda,Junpei Sasadai,Kazuki Kaneda,Taizan Shirakawa,Yukio Urabe
- 担当区分
- 概要
- 概要（英）
- Background and objectives: The long head of the biceps (LHB) and rotator cuff tendinopathy is the major cause of shoulder pain in competitive swimmers. The risk of tendinopathy increases with aging; however, the structural changes of LHB and rotator cuff in populations of masters swimmers have not been well examined. The purpose of this study was to investigate the prevalence of ultrasonographic abnormalities of the shoulders in masters swimmers, and the association of pain, age, and swim training with structural changes in this population. Materials and Methods: A total of 60 subjects participated in this study, with 20 masters swimmers with shoulder pain, 20 asymptomatic masters swimmers, and 20 sex- and age-matched controls. All swimmers completed a self-reported questionnaire for shoulder pain, their history of competition, and training volume. Each subject underwent ultrasonographic examination of both shoulders for pathologic findings in the LHB tendon, rotator cuff (supraspinatus (SSP) and subscapularis (SSC)) tendons, and subacromial bursa (SAB) of both shoulders and had thickness measured. Results: The prevalence of tendinosis (LHB, 48.8%; SSP, 17.5%; SSC, 15.9%), partial tear (SSP, 35.0%), and calcification (SSC, 10.0%) were higher in swimmers than in controls. LHB and SSP tendinosis were associated with shoulder pain. Older age and later start of competition were associated with an increased risk of LHB tendinosis and SSC calcification. Earlier initiation of swimming and longer history of competition were associated with an increased risk of SSP and SSC tendinosis. The thicker SSP tendon significantly increased the risk of tendinosis and partial tear. Conclusions: A high prevalence of structural changes in the rotator cuff and biceps tendons in masters swimmers reflects the effect of shoulder symptoms, aging, and swim training.
- 出版者・発行元
- 出版者・発行元（英）
- 誌名
- 誌名（英）
- Medicina (Kaunas, Lithuania)
- 巻
- 57
- 号
- 1
- 開始ページ
- 29
- 終了ページ
- 出版年月
- 2020年12月31日
- 査読の有無
- 査読有り
- 招待の有無
- 掲載種別
- 研究論文（学術雑誌）
- ISSN
- DOI URL
- https://doi.org/10.3390/medicina57010029
- 共同研究・競争的資金等の研究課題