Yeah, I had gym class too. It was easily the class that I got the highest score in. Yeah, that joke was already used in "Happy Days". Wow, that show really is timeless. Anyway, I do remember square dancing. We used "American Pie".
The song, not the movie. They have no connection. I had a much more pleasant experience than you. Of course, I'm sure you exaggerate things. I doubt someone's pelvis was really broken.