Oh my gosh, I am glad it was just a sprain! My gosh! Cutty has done that cry a few times and each time it freaks me out. Have found that a lot of times it is just him landing wrong or twisting his leg when he comes down on it off the couch. Thankfully no limping usually. 1 time tho when we were camping with the boys cutty got exited and went too fast coming out of the trailer and his paw slipped behind the step and he screamed. My god I knew he broke something and I was so panicked. Turned out to be similar and by morning he was much better.