所有weight bearing的运动都有助于维持骨质密度， 徒步， 负重， 球类，健身操，弹跳 （譬如黄猫的大蹦床。。。。。, 肌肉的拉伸/人体的震动牵扯到骨骼对骨骼产生一定负压的，都有助于维持骨质密度。
另外，There is no proof that running burns more fat than jogging and walking. In fact, walking a mile may burn more fat than running a mile. This is because when walking the body’s metabolism has time "to switch from burning carbohydrates to burning fat." If you are looking to burn calories, running is the way to go； To run fast for a mile will burn most sugar, or carbohydrates， not much fats。
