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Ergonomics. Applications for Ergonomics. Manufac-turing. Home & Leisure. Manufacturing. Service. Office. Safety, Quality, & Efficiency. Principles of Ergonomics. Principle 1. Work in Neutral Postures. Maintain the “S-Curve” of the Spine. The Neck. Keep Elbows in and Shoulders Relaxed.
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Applications for Ergonomics Manufac-turing Home & Leisure Manufacturing Service Office
Principle 1 Work in Neutral Postures
Summary — Neutral Postures Neck straight Shoulders relaxed Elbows at sides Wrists in neutral Back with S-curve
Point: • To work smarter, work in neutral postures • Evaluate and modify: • work method • tools • workstation design
Principle 2 Reduce Excessive Force
Point: • Think of what you do. • Think of ways to reduce excessive force. • Thousands of ways, only some examples here.
Principle 3 Keep Everything in Easy Reach
Principle 4 Work at Proper Heights
Height elbow drawing Most work at elbow height (sitting or standing)
Height elbow hi/lo drawing Exceptions: Heavy = lower Precision = higher
Principle 5 Reduce Excessive Motions
Before After
Principle 6 Minimize Fatigue and Static Load
Principle 7 Minimize Pressure Points