Well, being injured sucks...but better being injured at 62 from exercise... instead of falling down because you are so weak!
I think it totally rocks that you are 62 and still rocking it! I can only hope to be like you when I grow up (OK, I'm 33, but... ya know what I mean).
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather, to skid in broadside thoroughly used-up, totally worn out, and loudly proclaiming: WOW WHAT A RIDE!!!!"