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Postural analysis of paramedics simulating frequently performed strenuous work tasks.

Authors
Lavender-SA; Conrad-KM; Reichelt-PA; Meyer-FT; Johnson-PW
Source
Appl Ergon 2000 Jan; 31(1):45-57
NIOSHTIC No.
20029846
Abstract
Firefighters performing emergency rescue functions are at an elevated risk of musculoskeletal injuries. The objective of the current study was to analyze the biomechanical stresses placed on the body based on simulations of the following strenuous and frequently performed emergency rescue tasks: (1) transferring a patient from a bed to a stretcher using bedsheets, (2) transferring a patient from the ambulance stretcher to a hospital gurney, (3) carrying a victim down a set of stairs and through a landing using a stairchair, (4) carrying a victim down a set of stairs and through a landing using a backboard, and (5) carrying a victim down a straight set of stairs using a stretcher. Postural data were analyzed using the University of Michigan's Three-Dimensional Static Strength Prediction Program and the relative risk of low back disorder (LBD) was quantified using the trunk motion model published by Marras et al. (1993, spine 18, 617-628). Peak compression values and the probabilities from the Marras et al. (1993) model indicated that the most hazardous tasks performed as part of this simulation included pulling a victim from a bed to a stretcher, the initial descent of a set of stairs when using the stretcher, and lifting a victim on a backboard from the floor. Overall, the two models were well correlated in their assessment of the task components modelled (r = 0.78). These data indicate where engineering changes to equipment regularly used by emergency rescue personnel would have the greatest impact in reducing the risk of musculoskeletal injury.
Keywords
Musculoskeletal-system-disorders; Firemen; Back-injuries; Accident-prevention; Risk-factors; Epidemiology; Cumulative-trauma-disorders; Physical-stress; Posture
Contact
Department of Orthopedic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL 60612
CODEN
AERGBW
Publication Date
20000104
Document Type
Journal Article
Email Address
slavende@rush.edu
Funding Amount
80216
Funding Type
Grant
Fiscal Year
2000
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R03-OH-03123
Issue of Publication
1
ISSN
0003-6870
Priority Area
Musculoskeletal-system-disorders
Source Name
Applied Ergonomics
State
IL
Performing Organization
University of Illinois at Chicago, Chicago, Illinois
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