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  • Title: Relationship between the tendon of the long head of biceps brachii and the glenoidal labrum in humans.
    Author: Pal GP, Bhatt RH, Patel VS.
    Journal: Anat Rec; 1991 Feb; 229(2):278-80. PubMed ID: 2012315.
    Abstract:
    The relationship between the tendon of the long head of the biceps brachii muscle and the glenoidal labrum was investigated in a large number of dissected human shoulder joints. In about 70% of the specimens examined, the labrum was deficient at the posterosuperior margin of the glenoid because the tendon of the biceps coursed over this margin to blend with the labrum. Because of this, a small crescentic accessory facet was observed at the posterosuperior margin of the glenoid. In the majority of cases, the tendon of the biceps blended with the glenoidal labrum, and only a small part of the tendon attached to the supraglenoid tubercle. However, in 25% of the specimens, the major portion of the tendon was attached to the supraglenoid tubercle.
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