What is the role of exercise in maintaining bone health?

Improves bone mass. Regular weight bearing exercise such as jumping, running, aerobics helps strengthen bones which protects against osteoporosis. Weight training can help as well you are in a negative bone loss after 30, so exercise helps, taking vitamin d, eating calcium rich foods such as dark greens, broccoli, almonds and dairy can help, decreasing caffeine also helps maintain bone mass.