Any type of heart condition requires some precautions and common sense when youre ready to exercise. This is especially true for people with heart failure, because the heart has been weakened and cannot meet the bodys higher demand for blood during physicalactivity. But exercising is as important for people with heart failure as it is for anyone else. And if youre at risk for heart failure, workouts that can strengthen the heart are particularly valuable. So what should you know about exercising with heart failure?