. Dylan often feels tired and low in energy for a lot of the day. He eats a lot of chicken and steak but not a lot of anything else.

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above