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Define "Ergon" and "Nomos".
- Ergon - greek word for work
- Nomos - greek word for law
- The science (laws) of work
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Define Ergonomics.
The study of interaction between people and machines and the factors that affect the interaction
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What is the ergonomics triangle?
Includes human, environment (work space/equipment), and the interaction between them, which is the work
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What are the 5 components of ergonomics?
- physical
- cognitive
- organization
- environment
- person
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What is entailed in physical ergonomics?
- workstation, equipment and tool design
- manual materials handling, repetitive motion, awkward posture, & excessive force
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What is entailed in "cognitive" ergonomics?
- display design, control layout, systems
- Deals with info processing (interpretation, feedback, intervention); Useability (intuivitive, standardized)
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What is entailed in Environmental ergonomics?
- Noise, vibration, temperature & lighting
- Can result in Physical & mental demands, attention, productivity, injury risk
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What is entailed in organization ergonomics?
- Work system design (pacing, layout) & administrative controls (work scheduling/task rotation)
- Affects physical demands, mental demands (stress) and productivity
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What is entailed in the person in ergonomics?
- Consider individual differences between workers (size, reach, strength and fitness)
- Affects posture, physical abilities and fatigue
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What can be some positive changes due to ergonomic changes?
- decrease injury risk and accident risk
- increase job satisfaction and productivity
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What are the physical ergonomics issues?
- Manual material handling
- Repetitive work
- Work posture
- Endurance/fatigue (work-rest, energy required for task)
- Force, posture, repetition & duration
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What is the goal of ergonomics?
Minimize the mis-match between human capabilities and task requirements
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What is the goal of human factors?
improve performance, improve safety, reduce the need for training and improve user satisfaction
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Define abduction.
Away from your body
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Define adduction
towards your body
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Give the basic definition of Anthropometry.
The science of measurement of body size.
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What is the golden ratio?
The total height can be calculated by 1.618 x height of bellybutton down
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