Superior Glenoid Labrum Displacement with Humeral Head Translation
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چکیده
INTRODUCTION: The stability of the glenohumeral joint (GHJ) is dependent upon passive stabilizing mechanisms such as the glenoid labrum and long head of the biceps (LHB) tendon. The labrum improves GHJ stability by increasing the glenoid concavity, and the contiguous structure of the labrum and LHB tendon may increase tension on the labrum during superior humeral translations which may contribute to superior labral lesions. The purpose of this study was to determine the effect of superior humeral head translation, with and without loading of the LHB, on the displacement of the superior glenoid labrum.
منابع مشابه
Effects of biceps tension and superior humeral head translation on the glenoid labrum.
We sought to understand the effects of superior humeral head translation and load of the long head of biceps on the pathomechanics of the superior glenoid labrum by predicting labral strain. Using micro-CT cadaver images, a finite element model of the glenohumeral joint was generated, consisting of humerus, glenoid bone, cartilages, labrum, and biceps tendon. A glenohumeral compression of 50 N ...
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تاریخ انتشار 2010