大学野球選手における無症候期の両肩関節 MRI 所見

DOI 参考文献8件
  • 石井 壮郎
    筑波大学 大学院 人間総合科学研究科 スポーツ医学専攻
  • 向井 直樹
    筑波大学 大学院 人間総合科学研究科 スポーツ医学専攻
  • 宮川 俊平
    筑波大学 大学院 人間総合科学研究科 スポーツ医学専攻

書誌事項

タイトル別名
  • MR Imaging of Bilateral Shoulders of Asymptomatic Collegiate Baseball Players

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説明

It is useful to know the condition of asymptomatic shoulders of baseball players in order to prevent throwing shoulder injury. But there are few reports about MRI of asymptomatic shoulders of baseball players. In this study, we investigated MRI findings of bilateral shoulders of asymptomatic collegiate baseball players.<BR>The subjects are 48 collegiate baseball players without symptoms. We compared the difference between throwing and non-throwing shoulders by MRI. The mean age of the playrers was 19.5(18-22) years old. The mean years of baseball experience were 10 ± 1.5 years. They underwent conventional MRI in adduction and in the ABER position. The following pulse sequences were used a) SE-T1WI b) FSE-T2WI. We assessed MRI signal abnormalities and deformities in their humeral head, glenoid, rotator cuff and subacrominal bursa.<BR>52% of their humeral heads of throwing side had abnormal findings more than the non-throwing side(11%). 65% of their glenoids of throwing side had abnormal findings more than non-throwing side(10%). 48% of their rotator cuff tendons of throwing side had abnormal findings more than non-throwing side(4%). 33% of subacrominal bursa of throwing side had abnormal findings more than non-throwing side(12%). The distribution and patterns of these findings were similar to those which have been reported as throwing injury in symptomatic shoulders.<BR>We think it is important to prevent throwing shoulder injury at an early stage because we could find lesions already in the asymptomatic phase.

収録刊行物

  • 肩関節

    肩関節 34 (3), 879-883, 2010

    日本肩関節学会

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