I think its a little strange that it happened about a year ago. I assume he has fabricated something in his favor, I can't imagine what. I'm not taking this lightly, I'm taking every measure necessary to win or at least make him pay for my expenses.
I could counter sue, claiming I threw my back out helping him get up and he should pay for my medical expenses. Witch I saw a Chiropractor back in Feb 2011 for back pain.