Terrible ergonomics

I'm a 5'8", 140 lbs. guy. So, skinny, but within the mainstream when it comes to body size. And this chair is terrible. I'll start with the worst part: the lumbar support. I have to wonder if the reviewers who spoke positively about spent any time sitting in the chair. It's hard and not near tapered enough, meaning it basically stabs me in the back as I sit. There's no way to disable the lumbar support -- even if I retract it all the way, it still pokes me. The adjustable height lets me choose exactly where I'll hurt later, but there's no comfortable spot and no way to remove the support altogether. The armrests are another problem. The ergonomic recommendations are to have the armrests support your elbows when they're loose at your sides. For me, the armrests don't go low enough -- that is, even the lowest armrest position still forces me to hunch my shoulders. While I paid for the 3D armrests, that was a waste of money. If I try to tilt them inward to comfortably use a keyboard, it makes the back of the armrests so far apart that my elbows can no longer hit them. Perhaps this chair is really great for someone much larger than I am. But I have a hard time understanding how anyone could feel comfortable with that lumbar support.

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