Which of the following statements about stretching is not true?
a. stretching increases flexibility.
b. stretching improves range of motion of joints.
c. stretching improves circulation.
d. stretching increase stress.

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