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I suspect that the cause of that is running on pavement. Doing that for decades is hard on the knees and joints. I wonder if there would be more people in the o
by wyclif 9y ago
I suspect that the cause of that is running on pavement. Doing that for decades is hard on the knees and joints. I wonder if there would be more people in the over-50 age group still running if they had spent their younger years running on grass or sand. I don't have any evidence that they would, but it's an interesting question.
- maxmcorp 9y agoBut nature is hardly better for running than pavement. Stones, grass, roots, mud etc. There are a lot more ways to get injuries in nature than on a gravel path.
- Tade0 9y agoI guess people just don't take into account the fact that our ancestors usually didn't live to their 50s, so they couldn't experience most of the problems that nowadays middle-aged runners do.