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Mining Publication: Physiological Responses and Subjective Discomfort of Simulated Whole-Body Vibration From a Mobile Underground Mining Machine
Keywords: Computer simulation Physiological work measurement Physiology Whole-body vibration
This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.
Original creation date: October 1988
Authors: TG Bobick, RL Unger, S Gallagher, DM Doyle-Coombs
Conference Paper - October 1988
Download PDF Document (2.28 MB)
Proceedings of the Human Factors Society 32nd Annual Meeting, 1988: 29pp
The U.S. Bureau of Mines has developed an in-house facility to evaluate selected effects of whole-body vibration (WBV) levels experienced by underground mobile equipment operators, Vertical vibration data were collected from a coal haulage vehicle via a uniaxial accelerometer attached to the machine frame under the operators seat. Data were analyzed and processed so a computer-controlled platform could approximate the vibration signals. Eight men (35.5 yr +- 6.5 SD) participated in a pilot study to evaluate the effects of shock and WBV on heart rate (HR), blood pressure (BP), and subjective discomfort. Subjects were exposed to vibration for 30-min periods while seated in a typical seat (backrest angle at 90 degrees or 130 degrees) that was plain steel or modified with 2 in foam padding. Subjects repeated the same protocol on a separate day, without the vibration. Results indicated the vibration significantly increased the HR (p < 0.01), systolic BP, mean BP, the number of times subjects reported discomfort, and overall subjective discomfort rating (p < 0.05). When seated in the steel seat, the overall discomfort rating (p < 0,001) and the number of times discomfort was reported (p < 0.05) increased significantly. Seatback angle had no significant effect on any of the dependent measures.
Image of publication Physiological Responses and Subjective Discomfort of Simulated Whole-Body Vibration From a Mobile Underground Mining MachineConference Paper - October 1988
Download PDF Document (2.28 MB)
Proceedings of the Human Factors Society 32nd Annual Meeting, 1988: 29pp
See Also
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Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
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Modernization and Further Development of the NIOSH Mine Emergency Response Training System (MERITS), Phase 1
Probability of Making a Successful Mine Escape While Wearing a Self-Contained Self-Rescuer
SPONCOM - A Computer Program for the Prediction of the Spontaneous Combustion Potential of an Underground Coal Mine
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Technology News 545 - NIOSH Updates Spontaneous Combustion Assessment Software
Technology News 549 - MFIRE 3.0 - NIOSH Brings MFIRE into 21st Century
Whole-Body Vibration Exposure Comparison of Seat Designs for Low- and Mid-Seam Shuttle Cars in Underground Coal Mines
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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