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Presumably that's what studies would be for. Compare the joints of an office worker to the joints of an uninjured lumberjack.
by sliverstorm 9y ago
Presumably that's what studies would be for. Compare the joints of an office worker to the joints of an uninjured lumberjack.
- Florin_Andrei 9y agoSure. Now compare their amounts of muscular mass, and the percentages of body fat. I think the real problem is doing the same thing many hours a day, every day, all year long, for decades. Whether that's sitting, or felling trees, it appears to be equally bad, just in different ways. We are shaped by evolution for a more varied lifestyle.