Explain the “postural triangle”1 & Describe how the ideal VDT

I’m trying to study for my Psychology course and I need some help to understand this question.

1- Explain the “postural triangle” in workstation assessment. Refer to Chapter 4 presentation slide 13.

2- Describe how the ideal VDT workstation design will look like? Refer to Chapter 4 presentation slide 21.

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