Replying to How do you hold your poles

quick poll:  1) how do you hold your poles? and 2) do you suffer from "skiers thumb"  ?
I jam my thumbs so much i have just gotten accustomed to the pain.  i had my left one x rayed a few years ago and its actually broken but i cant do anything about it and im sure my right one isnt far behind.  today i was hittin a backyard set up and landed on it and hurt it again for like the millionth time and then i realized when im goin for a trick i grip my poles way too tight and it ends up with my thumb sticking up and out and really exposed which is probably why i hurt it so much.