Most Alexander Technique teachers avoid delving deeply into the psychological aspects of back pain and neck pain. As Alexander Technique teachers, we are usually more concerned with how we use ourselves, body and mind. Alexander teachers help their students replace harmful postural habits with beneficial ones, and teach how to use Alexander Technique principles in any circumstance. There are various causes of back pain, neck pain, and shoulder pain, and it stands to reason that negative emotions could be one. Dr. John Sarno, in his book 'Healing Back Pain', indicates that "tension myositis syndrome, or TMS, is the major cause of the common syndromes of pain involving the neck, shoulders, back, buttocks and limbs.