Is it normal to have knee pain after long walks/runs?
I am 25 years old, Male, in the Computer Programming profession, and I play video game. I don't get a lot of exorcise on a daily basis. Every once in a while I try to mitigate this by going for walks or runs. Afterwards my right knee will hurt a lot, especially going down stairs. It always heals up after a day or two, but it's a bit scary. Is this normal and do I just need to exorcise daily and work up to longer walks and runs, or is this something I should see a doctor about?