5. (a) What are the threo sources of information that can be used in an ergonomi

Question

5. (a) What are the threo sources of information that can be used in an ergonomics risk identification process? 3 marks) (b) An ergonomics risk assessment process should highlight 3 things, what are they? (3 marks) (c) What is the difference between a 'soft' and 'hard' barrier in controlling ergonomic risks? (3 marks) (d) Which of the following is not a type of Work Related Upper Limb Disorders? (0) low back pain (i) broken wrist (ii) carpal tunnel syndrome (iv) tendinitis (1 mark) (e) What are the known physical, psychosocial and individual risk factors for Work Related Upper Limb Disorders? (0 Which dimension, distance of the load away from the body or vertical location of the load, is the more significant contributor to the effect of the load? (g) How would you determine whether the weight of a box of spare parts is too heavy to be safely lifted by a warehouse attendant? What general instructions would you give a warehouse attendant on how to lift the box of spare parts safely? (6 marks) (2 marks) (4 marks)

Explanation / Answer

5a.ans:The three major workplace ergonomic risk factors that are used are(i) high Task Repetition,(ii) forceful exertions and (iii) repetitive/ awkward postures.

b.ans:Ergonomics risk assesssment process highlights the(i)ergonomic risk factors,(ii)qualitative analysis and (iii)quantitative analysis.

c.ans:Hard barriers in ergonomic risk factors are usually much more effective in reducing real risk and are required where the risks are high and there is the likelihood of a serious injury or fatality.Soft barriers are less effective as they rely on people’s adherence to following procedures or rules , subject to error or violation.

d.ans.Upper limb disorders are aches, pains, tension and disorders involving any part of the arm from fingers to shoulder, or the neck; include problems with the soft tissues, muscles, tendons and ligaments, along with the circulatory and nerve supply to the limb; and. are often caused or made worse by work.low back pain does not fall in the category(a).

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