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首页> 外文会议>Bioengineering Conference >Intratendingous strain fields of the supraspinatus tendon: the effect of a surgically created partial-thickness rotator cuff tear
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Intratendingous strain fields of the supraspinatus tendon: the effect of a surgically created partial-thickness rotator cuff tear

机译：Supraspinatus Tenton的辅助应变场：手术造成的部分厚度旋转器袖带撕裂的效果

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摘要

Rotator cuff tears, specifically of the supraspinatus tendon, are a common shoulder injury, resulting in significant pain and disability. With the widespread availability of arthroscopy and MRI, articular-surface tears of the supraspinatus tendon are believed to have a more significant role in shoulder pathology than previously recognized. Few studies have characterized the mechanical behavior of the rotator cuff and, in particular, the articular side is poorly understood. Furthermore, previous investigations into rotator cuff mechanics have only provided gross measures of surface tissue strain [1-3]. Thus, the purpose of this study was to compare intratendinous strain fields of intact shoulder specimens to the same specimens after creating an articular side partial-thickness rotator cuff tear. Based on the assumption that the insertion site is shielded from applied loads as the tendon wraps over the humeral head, we hypothesized that the tear would cause an increase in supraspinatus tendon strain only at glenohumeral joint angles greater than 45°.
机译：旋转器袖口撕裂，特别是Supraspinatus Tenton，是一种常见的肩部损伤，导致显着的疼痛和残疾。随着关节镜的广泛可用性和MRI，据信冈上肌腱的关节表面泪液在肩部病理中具有比以前认识的更重要的作用。少量研究表征了旋转器袖带的力学行为，并且特别是关节侧被理解得很差。此外，先前的调查进入肩袖力学的研究仅提供了表面组织菌株[1-3]的总衡量标准。因此，本研究的目的是在产生关节侧部分厚度旋转器袖带之后将完整的肩部标本的拘留性应变场与相同的标本进行比较。基于该假设，即插入部位被屏蔽载物屏蔽在肱骨头上，我们假设撕裂只会在高于45°的Glenohounal关节角度造成Supraspinatus肌腱菌株的增加。

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