A_643 - If you're in a pool, especially one with water that's halfway up your torso, it might be helpful to try walking with very long strides, almost to the point of losing your balance—which, however, doesn't happen because you're in the water. Doing these leg stretches, which you can't do without a pool, can help you get in better shape as it improves the elasticity of your leg muscles. It only takes a few minutes.