If a client's knees hurt after a one-week walking regimen, which one of the following suggestions is most appropriate?
A. Take a week's rest from exercise.
B. Wear different shoes.
C. Switch to anaerobic exercise.
D. Jog in a swimming pool.
In this case, the most appropriate suggestion would be to "D. Jog in a swimming pool" since this is a no-impact type of exercise. If this isn't available, however, then he or she should rest completely.