Hi all, I have starting running on vibram 5 fingers since last 2 months. I was running with Asics and On cloud before that since last 5 years. Now recently I have felt very needle like pain at inner portion of the knee. I have attached the pic labelling the area where I get pain. This pain is not felt during run or post run. This is only felt when I wake up after sleep the next day to my run and somehow I cant straighten my leg from bending. It has happened 3 times now. The pain is too much to handle. The pain remains there for about 15 minutes after I wake up and usually disappears later.