You're being cast for your acting ability. It's not based on the way your body functions. If you're playing a lead in a movie, it's for that character and they'll tailor it to you. In a dance company, you have to fit in a definite mold.
“At every turn when there has been an imbalance of power, the truth questioned, or our beliefs and values distorted, the change required to restore our nation has always come from the bottom up from our people.”