Normative data of nerve conduction studies of upper limb around the Rohtak region of Haryana in India

The objective of this study was to establish the normative data of motor nerve conduction velocity of median and ulnar nerve in normal healthy adults around the Rohtak region of Haryana. Method: An observational descriptive study was conducted in randomly selected 60 healthy subjects of both sexes of general population around Rohtak who were between the ages of 18 and 66 years by using RMS EMG EP Mark-II. Motor studies were performed on the ulnar and median nerves, both proximally and distally along the forearm on both side of arm. Parameter included Motor distal latency, amplitude and conduction velocity of ulnar and median nerves. Result: In the right median nerve, distal latency (DL) was 2.92±0.76 ms, the amplitude (CMAPA) was 11.72±5.17 mV, the conduction velocity (MNCV) was 52.35±6.99 m/s. In the left median nerve distal latency (DL) was 2.85±0.77 ms, the amplitude (CMAPA) was 13.59± 5.89mV, the conduction velocity (MNCV) was 52.76±7.58m/s. In the right ulnar nerve, motor distal latency (DL) was 2.05±0.49ms, the amplitude (CMAPA) was 10.5±2.52 mV, the conduction velocity (MNCV) was 53.02±5.13 m/s. In the left ulnar nerve distal latency (DL) was 2.1±0.47 ms, the amplitude was 10.24±2.6 mV, the conduction velocity (MNCV) was 51.89±5.2m/s. This data was compared with the previous studies which had been carried out for normative data on nerve conduction studies Conclusion: Normative conduction parameters of the median and ulnar nerves in the upper limbs were established for the NCV laboratory in Pt. B D Sharma PGIMS, Rohtak. The mean motor nerve conduction parameters for the tested nerves compared favorably with the existing literature data.