BDC 920 Lecture 1: CDCM 907 W1
Document Summary
9. 3 poor body postures: table 9. 1 work postures and related complaints, oversimplification since no job requires only one posture, but is useful in making reasonable correlations between posture and pain. In table 9. 1, this would lead to pains in knee joints, but only for western. Industrial workers who sit on chairs - different cultures. Individuals can simply have different preferences, so designers should consider these along with measures of 5th and 95th percentiles: table 9. 3 preferred hand height over floor - used for guidance, not a rule. 9. 6 measurement and ergonomic implications of work posture. 2 methods for assessing musculoskeletal problems: subjective methods - performed by employees, body part discomfort scale - ask about discomfort over time on a rating scale - discomfort is linear with time spent. > the longer the force is held, the greater the discomfort. Fig 9. 7: questionnaires - include nordic questionnaire for evaluating musculoskeletal problems, and also another tool developed at swedish.
