mri biceps shoulder attachment anatomy slap radiology education asia

MRI SHOULDER: ORIGIN OF LONG HEAD BICEPS

VARIATIONS IN THE ORIGIN OF THE LONG HEAD OF BICEPS:

 

Good evening it’s going to be a month of anatomy this December and this synopsis and the diagram are from a nice article in The European Journal of Anatomy by Abduelmenem Alashkham et al on the variable origin of the attachment of the long head of biceps tendon.

 

The long head has attachment to both the supra-glenoid tubercle and the superior labrum but the location of attachment to the labrum can vary as shown in the image below.

 

In their study they indicate the presence of a sublabral foramen in ≈29% of the dissected shoulders but found no correlation with the site of labral attachment of the biceps tendon. No mention is made of a sublabral recess in the study.

 

Ref: Origin of the long head of biceps brachii from the supraglenoid tubercle and glenoid labrum Abduelmenem Alashkham et al Eur. J. Anat. 22 (3): 213-219 (2018)

mri biceps shoulder attachment anatomy slap radiology education asia

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What’s the Purpose of the Tuesday Tips? Many of the Tuesday Tip posts arise from questions or difficulties that people bring up in the Mini Fellowships. These posts are meant to be short and concise to answer those questions.

 

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