Although most steps that athletes take to improve their performance are healthy ones, there are things that athletes do improve their performance that are unhealthy. what unhealthy things do some athletes do to improve their performance? why do you think some athletes take these harmful steps?

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