Quantitative assessment of rotator cuff dysfunction and time-course changes using ultrasound shear wave elastography

2022 Fiscal Year Final Research Report

• Project/Area Number: 19K19833
• Research Category: Grant-in-Aid for Early-Career Scientists
• Allocation Type: Multi-year Fund
• Review Section: Basic Section 59010:Rehabilitation science-related
• Research Institution: Sapporo Medical University
• Principal Investigator: Sakaki Yoshinari 札幌医科大学, 保健医療学部, 訪問研究員 (50554549)
• Project Period (FY): 2019-04-01 – 2023-03-31
• Keywords: 理学療法学 / 腱板断裂 / 発揮張力 / 剪断波エラストグラフィ

Outline of Final Research Achievements

This study compared the effect of the load of the upper limb on the stiffness of supraspinatus muscle regions during isometric shoulder abduction in the scapular plane in healthy individuals and patients with a rotator cuff tear. And this study aimed to investigate the time-course changes in the active stiffness of the supraspinatus muscle after arthroscopic rotator cuff repair. The anterior superficial region could be a focal point of quantitative dysfunction evaluation of the supraspinatus muscle in the case of a rotator cuff tear. Moreover, it is important to consider the rehabilitation of the anterior superficial region after arthroscopic rotator cuff repair. Moreover, supraspinatus muscle rehabilitation is required 3 months postoperatively.

Free Research Field

リハビリテーション科学

Academic Significance and Societal Importance of the Research Achievements

本研究の成果により、腱板断裂症例および腱板修復術後症例における棘上筋をはじめとした肩関節周囲筋の機能解明が進展したと考えられる。主に、医療・スポーツ現場におけるリハビリテーションの基礎的知見として用いられる可能性が高いと考えられる。