Remember that a jaw that shakes does not mean a jaw that is relaxed. Instead, it is a sure indication that there is extraordinary tenseness at the back of the jaw, and in many cases a stiffened pulling back of the tongue. Complete relaxation is the only cure for such a habit. Other forms of nervous body rigidity are not always so easy to find. A certain student’s voice showed definite improvement after a few lessons, but I was not satisfied. I was confident that this young lady was not entirely relaxed, although she repeatedly assured me that she was. Finally she said, "Don’t laugh, but although I feel that I am entirely relaxed vocally, the big toe on my right foot becomes so stiff when I sing that it is hard for me to walk away from the piano." It sounds absurd, yet strain and tenseness anywhere will have an effect on the voice. The big toe was finally relaxed by allowing the lady to sit, walk, move about, with or without her shoes, so that she might feel entirely free. Her voice immediately began to improve at a much faster rate than formerly.