Physical activity promotes increases in bone mineral density or reduct
ions in bone loss in young, premenopausal, and postmenopausal women, m
aking exercise a key strategy for preventing and treating osteoporosis
. Alongside weight-bearing exercise and resistance training, treatment
may also include therapy with estrogen, alendronate, or calcitonin, a
dequate calcium and vitamin D intake, and measures to prevent falls.