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Evaluation of a biomechanical simulation model for sagittal plane lifting.

Authors
Bernard-TM; Ayoub-MM; Lin-CJ
Source
Int J Ind Ergon 1999 May; 24(2):157-171
NIOSHTIC No.
20024552
Abstract
The kinetics and kinematics produced by a computerized dynamic biomechanical simulation model were examined and compared to those produced by actual human lifters. The purpose of the comparison was to demonstrate the accuracy of the simulation in predicting stresses imposed on the human body during the performance of a lifting task. The simulation model was shown to predict quite well under different task conditions (range of lift, weight of load, size of box, and gender of lifter.) Use of the simulation model is advocated for evaluations of lifting performed under a variety of conditions. Although highly correlated, the simulation tended to overestimate the kinetics and kinematics. The results provided in this study demonstrate that the simulation model can be an effective alternative for lifting task analyses. Through use of the simulation model, the tedious, time-consuming and costly data collection step required for lifting analyses can be eliminated so time and effort can be spent more productively on evaluation and design.
Keywords
Back-injuries; Injuries; Injury-prevention; Questionnaires; Manual-materials-handling; Materials-handling; Manual-lifting; Biomechanics; Biomechanical-modeling; Models; Simulation-methods; Kinetics
Publication Date
19990501
Document Type
Journal Article
Email Address
tracey.bernard@murraystate.edu
Funding Amount
576316
Funding Type
Grant
Fiscal Year
1999
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R18-OH-003202
Issue of Publication
2
ISSN
0169-8141
Priority Area
Disease and Injury: Low Back Disorders
Source Name
International Journal of Industrial Ergonomics
State
TX
Performing Organization
Texas Tech University, Industrial Engineering Department, Lubbock, Texas
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