Principles of Ergonomics Work in Neutral Postures Reduce Excessive Force Keep Everything in Easy Reach Work at Proper Heights Reduce Excessive Motions Minimize Fatigue and Static Load Minimize Pressure Points 。Provide Clearance Move,Exercise,Stretch Maintain a Comfortable EnvironmentPrinciples of Ergonomics • Work in Neutral Postures • Reduce Excessive Force • Keep Everything in Easy Reach • Work at Proper Heights • Reduce Excessive Motions • Minimize Fatigue and Static Load • Minimize Pressure Points • Provide Clearance • Move, Exercise, Stretch • Maintain a Comfortable Environment