Another characteristic of exercising in water is the resistance created by movement, both your own and that of others in the pool. The faster you move, the more resistance you create in the water. As you gain strength, you can start moving at a quicker pace. Schulte advises taking advantage of the water turbulence caused by others as well. I tell my patients to go to the pool with their children and grandchildren, she says. It causes them to work harder and its more fun.