Lacertus fibrosus syndrome
DOI:
https://doi.org/10.25214/28056272.1179Keywords:
Anatomy, Median nerve, Median neuropathyAbstract
The lacertus fibrosus of the biceps brachii or aponeurotic expansion of the biceps is a structure to which little attention is generally paid compared to other myotendinous units of outstanding importance such as the biceps or the triceps. For this reason, in general, little is known about it in regard to its anatomy, biomechanics, physiology, and much less in terms of her pathology. In descriptions of pronator teres syndrome, it is incidentally mentioned. This is a retrospective descriptive observational study with the purpose of reviewing its related anatomy, outline some biomechanical aspects and present the review of a series of 29 cases identified from 4100 medical records in a 5 year period from January 13 2015 to February 12 2020; during that period of time, we found the disease to affect more frequent women over 56 years of age, being the main reason for consultation pain on the anteromedial aspect of the proximal forearm and being frequently associated with pronator teres and posterior interosseus syndromes.
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