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Effects of environmental and task risk factors on workers' perceived sense of postural sway and instability.

Authors
Chiou-S; Bhattacharya-A; Lai-CF; Succop-PA
Source
Occup Ergon 1998 Apr-Jun; 1(2):81-93
NIOSHTIC No.
20025250
Abstract
The objective of this study was to evaluate workers' ability to detect changes in postural balance using a short questionnaire -- the perceived sense of postural sway and instability (PSPSI) scale. Ratings of perceived sense of postural sway and instability for four simulated tasks were obtained from fifty-two healthy industrial workers and compared with objective measurements determined by a strain gauge type force platform. The simulated tasks were performed under various experimental conditions that may influence postural stability. It was found that subjects were able to perceive the changes in postural sway and instability due to the modification in peripheral vision, environmental lighting, workload, and surface firmness, as reflected by their PSPSI ratings. Results from this study indicate that the PSPSI scale is a promising tool, which provides a simple and valid method to evaluate the potential for loss of balance in the workplace.
Keywords
Posture; Questionnaires; Health-surveys; Analytical-processes; Humans; Accident-prevention; Sensory-perceptual-processes; Author Keywords: posture; balance; stability; perceived sense of postural instability
Contact
Amit Bhattacharya, Biomechanics-Ergonomics Research Laboratory, University of Cincinnati Medical School, Cincinnati, OH, USA
Publication Date
19980401
Document Type
Journal Article
Funding Amount
707575
Funding Type
Grant
Fiscal Year
1998
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-003107
Issue of Publication
2
ISSN
1359-9364
NIOSH Division
DSR
Source Name
Occupational Ergonomics
State
WV
Performing Organization
University of Cincinnati, Cincinnati, OH
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