Abstract
Median nerve passes between two heads of pronator teres muscle while passing through the elbow. Detailed knowledge of these variations in the course of Median Nerve in relation to pronator teres and its neighboring structure is required for diagnosis of pronator syndrome. The aim of the study is to find out the proportion of Median Nerve passing below the ulnar head of pronator teres in cadavers of a medical college in Western Nepal. A descriptive cross-sectional study was carried out at the Department of Anatomy in a medical college of Nepal from 20th July 2021 to 2nd September 2021 after ethical clearance from the same institution (Reference number: UCMS/IRC/079/21). Variations in the course of the median nerve while passing through pronator teres were observed, recorded and photographed. Convenience sampling method was used. Data were analyzed using Microsoft Excel 2016. Point estimate at 95% Confidence Interval was calculated along with frequency and percentage. Out of 54 prosected specimens of upper limbs, 4 (7.40%) (0.418-14.38 at 95% Confidence Interval) Median Nerve passed below the ulnar head of pronator teres muscle and in 50 (92.60%) specimens Median Nerve passed between two heads of pronator teres. Our study shows that the median nerve passed below the ulnar head of pronator teres muscle is higher as compared to other studies done in similar settings. Thus, knowledge of variations in the course of Median Nerve in elbow has immense importance in the academic and clinical arena.
Highlights
Median nerve passes between two heads of pronator teres muscle while passing through the elbow
One possible form of compression of the MN in the proximal part of the forearm is caused by variation in the humeral and ulnar heads of the Pronator Teres.[2] course of Median Nerve in relation to pronator teres and its neighboring structure is required for diagnosis of pronator syndrome, Median nerve electrostimulation, neuribiotization and open or minimally invasive median nerve surgery.[3,4]
This study aimed to find out the proportion of median nerve passing below the ulnar head of pronator teres in cadavers of a medical college in western Nepal
Summary
Median nerve passes between two heads of pronator teres muscle while passing through the elbow Detailed knowledge of these variations in the course of Median Nerve in relation to pronator teres and its neighboring structure is required for diagnosis of pronator syndrome. One possible form of compression of the MN in the proximal part of the forearm is caused by variation in the humeral and ulnar heads of the Pronator Teres.[2] course of Median Nerve in relation to pronator teres and its neighboring structure is required for diagnosis of pronator syndrome, Median nerve electrostimulation, neuribiotization and open or minimally invasive median nerve surgery.[3,4]. This study aimed to find out the proportion of median nerve passing below the ulnar head of pronator teres in cadavers of a medical college in western Nepal.
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