Author(s): Vinit Kumar Gupta, Dr. M. L. Meena , Dr. Manoj Kumar
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 09 , September - 2017
Carpal Tunnel Syndrome is a symptomatic compression neuropathy of the median nerve at the level of the wrist/hand characterized physiologically by evidence of increased pressure within the carpal tunnel and decreased function of the nerve at that level. It is characterized by patients as producing numbness, tingling, hand & arm pain, loss of hand and pinch strength and muscle dysfunction. CTS is caused by physical occupational activities, such as repeated and forceful movements of the hand and wrist and also by doing work in awkward posture. Present work is focused on studying CTS on the workers engaged in Railway Workshop Kalka. The study is conducted on 90 workers comprising of all men (mean age of 47.9±9.02 years). The objective of present work is to study the probability of occurrences of Carpal tunnel syndrome of the workers engaged in Railway Workshop Kalka by comparison of potential CTS symptoms. This is done by conducting the appropriate health surveillance, data collection using surface electromyography (sEMG) on Abductor Pollicis Brevis (APB) muscle. First of all designing of health surveillance form is done followed by data collection. Statistical analysis using ANOVA, Fisher’s Exact test. ANOVA was used to analyze the Body Mass Index (BMI) data obtained from the health surveillance. F value calculated came out to be 0.110 for the degree of freedom (3, 16). This calculated F value is less than the critical value (3.24). So the BMI considered in present study significantly contribute in the occurrence of the carpal tunnel syndrome. To observe the occurrence of potential CTS symptoms among Slender and Obese workers, Odd ratio test was performed which reveals that obese workers has approximately 1.5% times greater risk of having CTS than that of slender worker. Fisher’s exact test is used on all the three type of pinch strengths i.e. Tip pinch, key pinch and palmer pinch which reveals that workers with low pinch strength have more probability of CTS than that of the workers with high pinch strengths. ANOVA test with the help of SPSS software is use to analysis of sEMG signals of APB muscle in present study shows healthy worker have better sEMG single than that of non healthy workers which reveals that non healthy workers are more prone to CTS.
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