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level: Level 1

Questions and Answers List

Question	Answer
effect of vibration	produce a variety of effects
criteria for effects of vibration	interference with comfort
formulation of criterion	first necessity
definition of measurement procedure	second requirement
criterion and measurement method are prerequisites	setting of limit
effect of frequency and displacement on reading errors	errors increase in proportion to frequency
effects of WBV on health	low back pain
vibration dose value	defines the time-dependency
preventive measures	optimise seating(maximise vibration attenuation, provide good sitting posture)
unpleasant combination of symptoms, like dizziness, nausea and vomiting, that can occur during travel	motion sickness
causes of motion sickness	Must involve the vestibular and visual sensory. Specify the roles of somatosensory system and central processes.
parts of somatosensory system	touch
Motion sickness: effect of frequency and magnitudes	increase in vomiting incidence with increase in vertical acceleration
prevention of motion sickness	minimize low frequency oscillation