Typically, as they build strength in the water, activities outside of the water become less difficult. Water exercise is different than water therapy . Water therapy is guided by a licensed physical therapist. Typically, it takes place in a warmer pool. The therapist selects the appropriate exercises to correct a specific problem.
Water therapy tends to be less vigorous and more individualized.
Water exercise is usually lead by an individual trained in aquatic exercise. The class size and the intensity of exercise varies. Water exercise is great for general conditioning and strengthening. At many of the local YMCA's, there are water exercise classes, arthritis groups etc. Contact your physician to get a prescription for aquatic therapy.