Acupuncture.
Period.
I am 250 lb (not proud of it, trying to get it down), but both my Achilles tendons are torn for the last 14 years :)
Yet I walk long distances. Recently in Venice I was doing 20K steps days.
Only can do with Acupuncture once a week or once in two weeks when I am traveling. Don’t know if it easy to find in Finland. But for pain management there is no substitute.