ANATOMICAL STUDY OF THE RELATIONSHIP BETWEEN THE MEDIAN NERVE AND LINES DRAWN ON THE PALM OF THE HAND
DOI:
https://doi.org/10.56238/arev7n11-078Keywords:
Kaplan's Cardinal Line, Line A1, Motor Branch of the Median Nerve, Anatomical VariationsAbstract
On the palmar surface of the hand, there are reference lines that aid in locating deep structures and preventing injuries during surgery. The main one, Kaplan's Cardinal Line (CKL), described in 1953 and redefined in 1968, runs from the crease between the thumb and index finger towards the ulnar border of the hand, and is used along with line A1 to guide incisions and identify structures such as the median nerve, ulnar nerve, superficial palmar arch, and transverse carpal ligament. This study aims to describe and correlate, through dissections, the anatomy and variations of the median nerve with these palmar lines, comparing the findings with the medical literature, in order to assist surgeons during their medical practice. Our results showed variations in the position of the motor branch with lines A1 and CKL. Comparing with studies in the literature, our findings agree with the results regarding the CKL line, however, they diverge regarding the nerve's position relative to line A1.
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