Happy 2012 everyone.

I know it must be difficult to assess an injury from a description alone, but I can't get to a physio for another week or so, and I would like to hear the opinion of people here.

I hurt my knee over a week ago in a situation similar to this (Leglock - Wikipedia, the free encyclopedia). At the time I heard a snap/pop, but it was not loud and I experienced no pain. I completed the training session and ent to work for the day.

It was only that evening did I notice that my knee started "weird". There was no noticeable swelling, still no pain, and no real instability (as far as I could tell), my knee just felt tight across the front of the joint. The only time I feel any pain (and it' more like mild discomfort than pain) is when I flex/bend my knee past 90 degrees - just feels a bit weak through the back of the joint.

I'm always getting injured (once I heard a similar "pop" come from my elbow, and it was fine), and often I have often stopped training and rested which has turned out to be unnecessary, so I have continued to train. I have completed a few Jiu - Jitsu sessions, two kettle bell classes, a few weights sessions (I pressed 150kg with my legs), all without pain during or post workout.

So, considering all this, I have assumed that whatever injury I have, it couldn't be that bad. Therefore, does anyone think it is likely that I could do serious damage to my knee? Moreover, is it likely to be damage to the ACL or could it just be muscular?

Any feedback is appreciated.

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