Been alternating hiking and doing some crossfit over the past 3 weeks, but woke up with my knee swollen yesterday morning, so had to take the last couple days off. It has been happening since 2014 when I ha an accident, broke both legs and they split my kneecaps to put rods down my shins. I guess it lets me know when I have to back off a bit. Hope to get out Saturday and get a overnight hiking trip in, still have a couple things to take care of to be able to do that.