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IME 320-W10 - Final Notes

IME 320-W10 - Final Notes - IME320 Final Notes Lindsey Chun...

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03/13/10 IME320 Final - Notes Lindsey Chun ANTHROPOMETRICS Designing for a population of users - accommodate as wide a range as possible, usually 90% Sources of human variability - genetics, plasticity (molded by environment when young), acclimatization, behavioral adaptation. Six Types of Variability: 1. Age - Older: Begin to get shorter, get wider, things that affect your body hype, & Osteoporosis kicks in (lack of calcium, water, etc…) 2. Sex 3. Racial & Ethnic Group - Lighter skin people tend to be taller; Ethnic groups determine 4. Occupational - 5. Generational & Secular - you are probably larger than your grandparents & the past generations because of modern diet 6. Transient Diurnal (Circadian Cycle: monthly sleep cycle) - your metabolism messes up if you don’t have a set sleeping cycle that you tend to follow; impacts people who work rotating shifts (early…late…early…etc.); your body doesn’t get time to reset its sleeping pattern because you keep changing it. 7. * Melatonin is a supplement to help regulate the sleeping pattern, but it must be consumed at the same time everyday Book Notes: o Postural Stability - combined centers of gravity of the various body parts must fall within a base support o Functions of the skeletal system - support, protection, movement, hemopoiesis (blood production) o Functions of the muscular system - movement, maintain posture, heat production Steps in Anthropometric Design 1. Determine user population-different size chairs for 1st graders & 5th graders 2. Determine relevant body dimension-counter height & user height 3. Determine % to be accommodated-what % of pop. to accommodate? -5% female (60") -extremes, adjustable range, average - 95% male (73") 4. Adjust data- only female? only male? 5. Mock up or simulation Workstations Design Principles 1. Clearance for largest user 2. Reach for smallest user 3. Requirements for maintenance people 4. Adjustability Requirements a. Adjusting the workplace/worker position/work piece/tool 6. Component arrangement Principles: Frequency/importance/sequence of use/consistency/control-display compatibility of collocation/clutter-avoidance/functional grouping/link analysis W orkplace Design Work surface: height, depth, inclination Static Work: Advantages of the standing work position: Page 1 of 13
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03/13/10 IME320 Final - Notes Lindsey Chun Reach is greater than standing Body weight can be used to exert force Standing workers require less leg room than seated Lumbar disc pressures are lower A good working posture is one which the spine is toward the mid-point of its range of movement & the trunk
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IME 320-W10 - Final Notes - IME320 Final Notes Lindsey Chun...

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