A. Would be the answer I chose.
It said one of the following WORKOUT CHANGES, so I'm assuming that it doesn't want you to just stop. Different shoes may provide better support, bringing relief to the knees and allowing you to continue your walking workout.
Heat Cramps can be treated by applying firm pressure to the affected area
Answer:
It is C. increase in height because of spinal disc expansion.
Explanation:
its the third option, it describes it very accurately.