Milo jumped up and landed on his right hind leg, then it tucked under his left hind leg and gave a big yelp (first ever pain yelp). His right hind leg was raised and he was limping, then I flipped him on his back and did a comparison feel with both his legs. There doesn't seem to be any mispositioned bones, and since... he just got desexed, there doesn't appear to have any red swellings on his hip area where it's shaved. I want to put ice on it just in case but I don't know exactly where on his leg was injured.
This happened about 30 mins ago. He's not limping now and is able to do his crazy sprints before pooing as usual. My dad says he's running on 3 legs, where as, I see him running on 4. Any suggestions on how to be sure he's fine?