i have an MRI on thursday...i was at lacrosse practice and hyper extended my knee...the doctor put my in a knee brace and said he thinks i tore my acl and my miniscus...i can walk fine now..they took fluid from my knee....(this was a week ago and i hurt my self...2-3 weeks ago) but there was blood in my knee...and my knee is still swollen....so i know what your going through.