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Lumbar Motion Monitor
1. Application of the
Lumbar Motion MonitorLumbar Motion Monitor
In Risk Assessment of
Occupational Low Back DisordersOccupational Low Back DisordersProvided By:
Hamed Nadri
Industrial hygienist( Shahid Beheshti University of Medical Sciences
2. LBDs affect an estimated 80% of the population during
their working career (Andersson (1997)
LBDs are the prime reason for activity limitation for
those under 45 years of age. (NCHS 1977)
LBDs cost society up to 100 billion dollars annually
(Cats- Baril 1996)
3. Two types of forces are typically imposed
on the spine
Biomechanical logic
9. Assessing LBD Risk from Three Employees
Performing the Frozen Packager Job
Editor's Notes
National Center for Health Statistics (1977)
Cats-Baril (1996)
External forces due to the gravity acting on the object being moved
Internal forces are those forces imposed on the spine
The critical reviews have found strong evidence of LBD
risk association for the lifting and forceful movements, bending and twisting, as well
as the whole-body vibration risk factors
Despite the prevalence and cost of these injuries, few accurate methods available to predict the risk of occupationally related LBDs.