Every time you sneeze you get a minature orgasm, maybe it's not so minature for you?
Nerves for sure, I sneezed with my neck bent to the right once, lost all feeling in my legs for about 5 seconds and fell on my ass. Go to a chiropracter and get adjustments for about a month or so, alot of people have slight curves in their spines and usually that's what can cause those pains. I used to get pain in my legs all the time when I sneezed but while playing football in highschool one day I ran in to a 326 pound guy at full sprint with my head down in a game and ever since then I've never had any pain while sneezing.