When someone is sitting and working for a prolonged period of time at a computer, control of the hands over the keyboard and prevention of musculoskeletal fatigue are desirable. Which range of seat-backrest angles in a chair is best for this kind of work?

When someone is sitting and working for a prolonged period of time at a computer, control of the hands over the keyboard and prevention of musculoskeletal fatigue are desirable. Which range of seat-backrest angles in a chair is best for this kind of work?


A.84-94

B. 95-105

C. 106-116

D. 117-127



Answer: B


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