An assessment of tools, devices, or environments to optimize fit, safety, and comfort
• Performed to suggest redesign improvements or establish ergonomic criteria for new design.
• The five interrelated criteria commonly used are:
1. Size: Anthropometry is the systematic measurement of people to assess and design tools and systems.
2. Strength: Manual force encompasses finger/hand strength for triggering and gripping and body strength for lifting.
3. Reach: Assesses safe access to operator controls or environmental features and is typically based on fifth percentile females to accommodate most users.
4. Clearance: Assesses effective space within and around machinery and for avoiding environmental obstacles and is commonly ...