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Identifying Safe Load Moment Exposures for the Back.

PB2013105489

Publication Date	2004
Personal Author	Marras, W. S.; Lavender, S. A.; Ferguson, S. A.; Splittstoesser, R. E.; Yang, G.; Schabo, P.; Burr, D. L.
Page Count	413
Abstract	Low back disorders continue to be the most common and significant work-related musculoskeletal disorders in the US. Identifying what constitutes a 'safe' physical workload from both the magnitude and temporal perspectives has been the biggest challenge facing injury prevention efforts. The goal of this project was to identify and quantify biomechanical risk factors, such as the load moment and duty cycle variables, that are predictive of low back disorders in distribution centers. The specific aims of this project were: (1) To develop new models based on an existing industrial exposure database. (2) To develop instrumentation so that the horizontal distance between the hands and the spine can be accurately measured for each lift performed over the course of an entire work shift. (3) To develop a database that contains the load moment exposures, hand position data, duty cycle parameters, and injury experience data. (4) To define via a prospective study the relationship between moment exposure parameters and the low back disorder incidence rates and disability measures. (5) To develop a simplified approach that can be used by practitioners to easily evaluate work tasks
Keywords	Back injuries Load moment Biomechanics Exposure assessment Human factors engineering Low back pain Manual lifting Muscule stress Musculoskeletal system disorders Risk analysis Tasks Warehousing Work environment
Source Agency	National Institute for Occupational Safety and Health
Corporate Authors	Ohio State Univ., Columbus.; National Inst. for Occupational Safety and Health, Atlanta, GA.
Supplemental Notes	Sponsored by National Inst. for Occupational Safety and Health, Atlanta, GA.
Document Type	Technical Report
NTIS Issue Number	201313

Identifying Safe Load Moment Exposures for the Back.

Identifying Safe Load Moment Exposures for the Back.
PB2013105489

Publication Date	2004
Personal Author	Marras, W. S.; Lavender, S. A.; Ferguson, S. A.; Splittstoesser, R. E.; Yang, G.; Schabo, P.; Burr, D. L.
Page Count	413
Abstract	Low back disorders continue to be the most common and significant work-related musculoskeletal disorders in the US. Identifying what constitutes a 'safe' physical workload from both the magnitude and temporal perspectives has been the biggest challenge facing injury prevention efforts. The goal of this project was to identify and quantify biomechanical risk factors, such as the load moment and duty cycle variables, that are predictive of low back disorders in distribution centers. The specific aims of this project were: (1) To develop new models based on an existing industrial exposure database. (2) To develop instrumentation so that the horizontal distance between the hands and the spine can be accurately measured for each lift performed over the course of an entire work shift. (3) To develop a database that contains the load moment exposures, hand position data, duty cycle parameters, and injury experience data. (4) To define via a prospective study the relationship between moment exposure parameters and the low back disorder incidence rates and disability measures. (5) To develop a simplified approach that can be used by practitioners to easily evaluate work tasks
Keywords	Back injuries Load moment Biomechanics Exposure assessment Human factors engineering Low back pain Manual lifting Muscule stress Musculoskeletal system disorders Risk analysis Tasks Warehousing Work environment
Source Agency	National Institute for Occupational Safety and Health
Corporate Authors	Ohio State Univ., Columbus.; National Inst. for Occupational Safety and Health, Atlanta, GA.
Supplemental Notes	Sponsored by National Inst. for Occupational Safety and Health, Atlanta, GA.
Document Type	Technical Report
NTIS Issue Number	201313