Dave Is Always Getting a Sore Neck and His Wrist

Dave is always getting a sore neck and his wrist is sore after he's been working on his computer all day long. He wants to make sure the ergonomics are correct when the remodeling takes place. Ergonomics is concerned with?

A) The effect of spatial realities on social groups.
B) The engineering aspects of furniture design.
C) Designing to meet the needs of body mechanics.
D) The measurement of various body dimensions.