Indian journal of occupational and environmental medicine · 2026
Assessment of Relative Health Risks of Vibration-Exposed Equipment Operators in Coal Mines.
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Singh Khane Jithendar, Palei Sanjay Kumar, Karmakar Netai Chandra, Gupta Suprakash, Kumar Amrendra
Аннотация
OBJECTIVE: The present study aims at evaluating the influence of whole-body vibration (WBV) exposure and its contributing factors on musculoskeletal disorders (MSDs) of equipment operators in coal mines.
METHODOLOGY: In this paper, WBV measurement was conducted for 100 equipment operators exposed to vibration, followed by a questionnaire survey. This questionnaire survey was also extended to 104 workers with limited exposure to vibration.
RESULTS: The daily average frequency-weighted acceleration A(8), when compared with health guidance caution zone (HGCZ) of ISO 2631-1, reveals that 15% operators are exposed to likely health risk and 82% to potential health risk. The relative risk of MSDs of vibration-exposed operators was 2.63 times more than the control group. Moreover, when mines were compared, Mine B showed a 3.27 times higher likelihood of vibration hazards compared to Mine A.
CONCLUSION: Equipment operators in mines are exposed to vibration as a part of their occupation. The company management may take preventive measures through design of workplace and work environment for minimizing vibration exposure on operators to reduce MSDs.
METHODOLOGY: In this paper, WBV measurement was conducted for 100 equipment operators exposed to vibration, followed by a questionnaire survey. This questionnaire survey was also extended to 104 workers with limited exposure to vibration.
RESULTS: The daily average frequency-weighted acceleration A(8), when compared with health guidance caution zone (HGCZ) of ISO 2631-1, reveals that 15% operators are exposed to likely health risk and 82% to potential health risk. The relative risk of MSDs of vibration-exposed operators was 2.63 times more than the control group. Moreover, when mines were compared, Mine B showed a 3.27 times higher likelihood of vibration hazards compared to Mine A.
CONCLUSION: Equipment operators in mines are exposed to vibration as a part of their occupation. The company management may take preventive measures through design of workplace and work environment for minimizing vibration exposure on operators to reduce MSDs.