PhD in Physics Candidate, University of Queensland
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Regarding Magnus' post, which you linked, I partly wrote this article as a response. The evidence base for preventing low back pain with exercise seems much greater than that for adjusting posture, stretching and using ergonomic furniture, which his post also recommends. I wanted to emphasise the importance of exercise as the primary intervention.
Regarding global health, the Happier Lives Institute produced a report on pain in 2020 that identified low back pain as a focus area, but missed my references [3-5]. In particular, my reference  seems to supersede their reference (Steffens et al., 2017) and my reference  seems broader and more recent than their reference (NICE, 2016). I think their recommendations might reasonably update with respect to these references.