Take the plunge: Try a water workout
Swimming and water aerobics can be a good way to stay fit, especially for people who have arthritis, are overweight, or are recovering from an injury. Swimming differs from land-based exercises because during swimming, a person’s body is horizontal rather than vertical and is mostly immersed in water. Both factors mean blood pools less in the legs. The heart refills with blood a little faster, which means it may work a little harder during swimming than during other forms of exercise. Yet swimming is considered safe for people with stable heart disease and is sometimes used in cardiac rehabilitation.
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