POOL WORKOUT: 10 WATER EXERCISES THAT TONE YOUR ABS, ARMS, LEGS, AND BACK

From Pool & Spa Outdoor 

As we age, it becomes harder and harder to stay in shape.  Not only do exercises and workouts become monotonous, the incidence of injury becomes more prevalent.  People that are desirous of staying fit are constantly looking for lower-impact workouts to work the heart and body while also avoiding the injuries commonly associated with exercise.  The swimming pool is a great way to get a vigorous workout, while eliminating the impact of running or more intense exercises.  This post from Pool & Spa Outdoor gives 10 exercises that one can do inside a swimming pool that will work one's entire lower body and eliminate the causes of injury.

Here is an excerpt from the post: