"You've got to find ways to breathe while you're dancing so that when it comes time for you to stop and sing again, you have it. To prepare, I do a lot of aerobic activity. Many times at the gym, people will look at me because I'll be on the treadmill humming"

Kristin Chenoweth is emphasizing the importance of breath control when singing and dancing. She recommends that aerobic activity is an excellent way to prepare for singing and dancing. This is since aerobic activity helps to increase lung capability and enhance breath control. By humming while on the treadmill, she has the ability to practice her breath control and get ready for singing and dancing. This quote reveals that Kristin Chenoweth is dedicated to her craft and wants to put in the additional effort to make sure that she is gotten ready for her efficiencies. She comprehends the importance of breath control and wants to put in the extra work to ensure she is prepared for her efficiencies.