@pollyanne @becsbuddy I too, although I do not participate a lot in the walking group, think the contact can keep us motivated.
We are walking primarily at the HS track since it is flat and the hills on our street bother my hip. I took this picture and told my son and daughter that the sign was to welcome us "seniors" - of course, I knew it was for members of the senior class, but I like to kid them.

I'm sorry to hear your knee and arm are hurting. You are smart to keep moving I think, but if there really is a lot of pain you might want to check with your doctor to make sure you are not doing more damage. I was about to have a cortisone injection in my hip before the world changed so now I am really hoping the time will come soon when I can.
JK