Work Posture

Question 1

What are the 3 basic types of work posture? Provide an advantage for each?

Answer 1

standing, sitting, sit-standing

Question 2

What are some problems encountered when the work surface is either too high or too low?

Answer 2

high - would probably have upper back or lower neck problems

low -

Question 3

Provide and example a task performed for each sitting, standing, sit standing.

Answer 3

If frequent handling/lifting of heavy objects standing is referred.

For packaging, or tasks where objects moved vertically elbow height, stand, or sit-standing

Light assembly work with repetitive tasks, sitting.

fine manipulation and precision tasks, operator must support the underarms, sitting

Question 4

Provide 2 subjective and 2 objective methods that can be used to ensure ergonomic problems arising from bad work postures

Answer 4

objective

• RULA
• OWAS

subjective

• body part discomfort scale
• questionnaire

Question 5

Name 4 ergonomic considerations when designing work for a conveyor belt

Answer 5

• weight of the item
• number of repetitions
• reaching
• work below elbow height