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Original Article
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| Ultrasound imaging of anatomical variations of humeral insertions of the subscapular muscle | ||||||
| Thyl Snoeck1, Lucie Selfslagh2, Frederic Paillaugue2, Steven Provyn3 | ||||||
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1Department of Anatomy, Morphology and Biomechanics, Professor, Haute école Bruxelles Brabant, Avenue Charles Schaller 91 – 1160 Brussels, Belgium 2Department of Anatomy, Morphology and Biomechanics, Lecturer, Haute école Bruxelles Brabant, Avenue Charles Schaller 91 – 1160 Brussels, Belgium 3Head of Department, Anatomical Research and Clinical Studies, Professor, Vrije Universiteit Brussel, Laarbeeklaan 103 – 1090 Brussels, Belgium | ||||||
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| How to cite this article |
| Snoeck T, Selfslagh L, Paillaugue F, Provyn S. Ultrasound imaging of anatomical variations of humeral insertions of the subscapular muscle. Edorium J Anat Embryo 2018;5:100024A04TS2018. |
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ABSTRACT
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Aims: The purpose of this study was to highlight the variations of the humeral insertion of the muscle in vivo, by means of an ultrasound (US) device to depict anatomical variations that could lead to instability of the scapulohumeral complex. Methods: This prospective study (IRB approval) brings a dynamic imaging of the anatomical variation by US exploration of 193 shoulders to confirm MRI and dissection approaches. Results: The results confirm the previous classification of two different classes of organization. 20% with a non-fibrous bridge over the intertubercular groove (type I and II combined) and 80% with a fibrous bridge over the tendon of the long head of the bicipital tendon muscle (type III and IV combined). Furthermore, statistical analysis (Fisher and Chi square test with a threshold of 95%) showed that this variation is not related to gender, side or laterality. Conclusion: This study shows the same results as obtained by dissection or MRI, meaning that this non-radiating, easy to perform technique can be used as a first approach in a dynamic clinical examination to detect anatomical variations of the subscapular muscle. Keywords: Anatomical variations, Imaging, Subscapular muscle, Ultrasound |
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Author Contributions
Thyl Snoeck – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published Lucie Selfslagh – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published Frederic Paillaugue – Substantial contributions to conception and design, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published Steven Provyn – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published |
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Guarantor of Submission
The corresponding author is the guarantor of submission. |
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Source of Support
None |
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Consent Statement
Written informed consent was obtained from the patient for publication of this case report. |
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Conflict of Interest
Author declares no conflict of interest. |
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Copyright
© 2018 Thyl Snoeck et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information. |
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