Originally Posted by ultra-g
Remove your knee caps, then you can't blow out your knees.
Or rest for 2-3 days.
also, be sure to remove any foreign particulate matter, regrease (using natural formula glucosamine and chondroitin) and repack the knee assembly. do not overtighten as you could damage articulating surfaces, but also do not under tighten or you could suffer from a loose ACL.