title: Fast way to improve heart and muscle fitness.  Stair climbing burns twice the calories of walking, and it strengthens your heart, lungs, and muscles.
mesh_terms: D002320:Cardiovascular Physiological Phenomena; D015444:Exercise / Q000502:physiology*; D015438:Health Behavior; D006801:Humans; D053580:Muscle Strength / Q000502:physiology*; D010809:Physical Fitness / Q000502:physiology*