Brainliest answer goes to whoever answers correctly which activity is good for building strength? (a)sit and reach (b) crunches (c) one mile run (d) gymnastics

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