Cаse N: LeAnn Rimes, а fаmоus cоuntry singer started tо experience intense jaw pain and in light of continuing her tour, she tried her best to ignore it. While performing on tour, her jaw popped out of place during a concert while singing the song “How do I Live”. The lead guitar player was able to reset her popped jaw, but LeAnn was unable to finish singing that night. She reports that she experiences increasing pain intensity in her jaw as the day progresses. She has since had nearly two dozen surgeries to help correct her jaw problem. Use this case study to answer the following questions.Which of the following is a primary characteristic of TMD?