4. DEFINITION
In Greek, “Ergo” means work and “Nomos” means natural laws or
systems.
The study of people’s efficiency in their working environment.
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6. The goal of today’s program and the science of ergonomics is to minimize
injuries due to chronic physical and psychological stresses while
maximizing productivity and efficiency
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10. RISK FACTORS TO MSD
Prolonged use of
vibrating hand tools
Static neck,back &
shoulder postures
Repetitive
motions(e.g. scaling,
polishing )
Grasping small
instruments for
prolonged periods
Excessive force (e.g.
tooth extraction)