Weight-bearing exercises strengthen your bones because they make your bones work harder against gravity. What I mean is that your bones are pressured when you walk or climb stairs. This is a good thing. It helps your body grow solid and get your bones stronger over time. This can reduce the risk of getting osteoporosis. Osteoporosis is a disabling condition in which your bones lose density and strength, which makes them more likely to fracture. When you are taking a short walk bone cells respond by creating more bone tissue. The bone building process is called osteogenesis and only makes new bone tissue in the area directly affected by the exercise. Experts recommend that you get at least 30 minutes of a variety weight-bearing exercise most