Yes, definitely continue to ice after exercise. For me what worked was to try a bit more each week and to constantly gauge what the knee (and surrounding tissues) were telling me. Increasing activity is good, but the knee will tell you when you've overdone. Some soreness is ok, but if you have a lot of pain and swelling for several hours -or a day-afterward (according to my PT) then do a bit less the next day. Then try again at that level in a few days. Even just doing your daily activities helps with strength.I elevate and ice my knee after every workout/activity. I probably ice more now at 11+ weeks than I did during the first 4 - 6 weeks.
One thing you want to avoid is exercising your way into a nasty case of tendonitis (as I know from experience with my first knee). That will put you out of action for a while and mess with all your progress. You know what your body is telling you.
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