Research Topics
| Stephen BaoSummaryCountry: USA Publications
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Detail Information
Publications
Estimation of hand force in ergonomic job evaluationsStephen Bao
SHARP Program, Department of Labor and Industries, P O Box 44330, Olympia, WA 98504, USA
Ergonomics 48:288-301. 2005..Instructions to the subjects about force matching estimation were important to the accuracy and consistency of the estimated forces. Estimation in force matching might depend on perceptions of several major muscle activities...- Quantifying repetitive hand activity for epidemiological research on musculoskeletal disorders--part II: comparison of different methods of measuring force level and repetitivenessS Bao
Safety and Health Assessment and Research for Prevention SHARP Program, Washington State Department of Labor and Industries, P O Box 44330, Olympia, WA 98504, USA
Ergonomics 49:381-92. 2006..The Strain Index method identified more 'hazardous' jobs than the ACGIH HAL method. Overall, the between-methods agreements were found to be moderate to substantial... - Prevalence of musculoskeletal disorders at workplaces in the People's Republic of ChinaS Bao
Washington State Department of Labor and Industries, Olympia, WA, USA
Int J Occup Saf Ergon 6:557-74. 2000..However, the nature of assembly seemed also to influence the prevalence rate. Workers at a cassette recorder and a TV set assembly plant appeared to have more neck complaints compared with a group of thermos flask assemblers... 
Application of the Strain Index in multiple task jobsStephen Bao
Safety and Health Assessment and Research for Prevention SHARP Program, Washington State Department of Labor and Industries, Olympia, WA 98504, USA
Appl Ergon 40:56-68. 2009..Some SI computation methods may tend to over-estimate job risk levels, while others may tend to under-estimate job risk levels, due to different ways used in obtaining the various SI parameters and computations...- Two posture analysis approaches and their application in a modified rapid upper limb assessment evaluationS Bao
Safety and Health Assessment and Research for Prevention Program, Washington State Department of Labor and Industries, P O Box 44330, Olympia, WA 98504, USA
Ergonomics 50:2118-36. 2007..The event-based method is easy to use and may suit practitioners better, while the time-based method adds more information to the measurement and may suit users who want more detailed information about posture exposure... - Quantifying repetitive hand activity for epidemiological research on musculoskeletal disorders--part I: individual exposure assessmentS Bao
Safety and Health Assessment and Research for Prevention SHARP Program, Washington State Department of Labor and Industries, P O Box 44330, Olympia, WA 98504, USA
Ergonomics 49:361-80. 2006..These interactions may vary between exposure parameters... - Inter-observer reliability of forceful exertion analysis based on video-recordingsS Bao
Washington State Department of Labor and Industries, Olympia, USA
Ergonomics 53:1129-39. 2010.... - Comparison of two different methods for performing combination analysis of force and posture risk factors in an epidemiological studyStephen Bao
Safety and Health Assessment and Research for Prevention SHARP Program, Washington State Department of Labor and Industries, PO Box 44330, Olympia, WA 98504, USA
Scand J Work Environ Health 37:512-24. 2011.... - Interrater reliability of posture observationsStephen Bao
Washington State Department of Labor and Industries, SHARP Program, P O Box 44330, Olympia, WA 98504 4330, USA
Hum Factors 51:292-309. 2009.... - The natural course of carpal tunnel syndrome in a working populationBarbara A Silverstein
Safety and Health Assessment and Research for Prevention SHARP, Washington State Department of Labor and Industries, PO Box 44330, Olympia, Washington 98504 4330, USA
Scand J Work Environ Health 36:384-93. 2010..The aim of this study was to assess prevalence, incidence, and persistence of carpal tunnel syndrome (CTS) and associated symptoms over a one-year period in a working population... - Gender adjustment or stratification in discerning upper extremity musculoskeletal disorder risk?Barbara Silverstein
Safety and Health Assessment and Research for Prevention SHARP Program, Washington State Department of Labor and Industries, PO Box 44330, Olympia, Washington, United States
Scand J Work Environ Health 35:113-26. 2009..The aim was to explore whether "adjustment" for gender masks important exposure differences between men and women in a study of rotator cuff syndrome (RCS) and carpal tunnel syndrome (CTS) and work exposures... - Reliability and validity assessment of the hand activity level threshold limit value and strain index using expert ratings of mono-task jobsPeregrin Spielholz
SHARP Program, Washington Department of Labor and Industries, Olympia, Washington 98504, USA
J Occup Environ Hyg 5:250-7. 2008..59, CI 1.01-2.49) were associated with disorders in the nondominant hand. These findings show moderate to good inter-rater agreement and significant relationships to health outcomes for the identified measures... - Quantitative exposure-response relations between physical workload and prevalence of lateral epicondylitis in a working populationZ Joyce Fan
Safety and Health Assessment and Research for Prevention SHARP, Washington State Department of Labor and Industries, Olympia, Washington, USA
Am J Ind Med 52:479-90. 2009..Lateral epicondylitis is a common work-related musculoskeletal disorder. The objective of this study was to identify risk factors associated with lateral epicondylitis among active workers... - Psychosocial factors and shoulder symptom development among workersCaroline K Smith
Safety and Health Assessment and Research for Prevention SHARP, Washington State Department of Labor and Industries, Olympia, Washington, USA
Am J Ind Med 52:57-68. 2009..The purpose of this study was to assess the relationship between the psychosocial concepts of the demand-control model and the incidence of shoulder symptoms in a working population... - Natural course of nontraumatic rotator cuff tendinitis and shoulder symptoms in a working populationBarbara A Silverstein
Safety and Health Assessment and Research for Prevention SHARP, Washington State Department of Labor and Industries, PO Box 44330, Olympia, Washington 98504 4330, USA
Scand J Work Environ Health 32:99-108. 2006..This study assessed the prevalence, incidence, and persistence of nontraumatic rotator cuff tendinitis and shoulder symptoms over a 1-year period in a working population and the predictive value of symptoms and physical findings... - A practical method for ergonomic and usability evaluation of hand tools: a comparison of three random orbital sander configurationsP Spielholz
Washington State Department of Labor and Induistries, Olympia, USA
Appl Occup Environ Hyg 16:1043-8. 2001..The results of this tool assessment highlight the need for objective information in tool and equipment design decisions... - Evaluation of an ergonomics intervention among Nicaraguan coffee harvesting workersStephen Bao
a Washington State Department of Labor and Industries, Olympia, WA 98504 4330, USA
Ergonomics 56:166-81. 2013..Commonly used job evaluation procedures and physical load quantification methods were used. Ergonomics researchers and practitioners in developing countries may do similar projects on their own in the future... - Categorizing job physical exposures using simple methodsStephen Bao
Safety and Health Assessment and Research for Prevention SHARP Program, Washington State Department of Labor and Industries, PO Box 44330, Olympia, WA
Work 41:3945-7. 2012..These were augmented with injured worker interviews to "put the meet on the bones" in characterizing risk. These risk assessments are conducted in all industry sectors...