bone structure in osteoporosis. vitamin d deficiency, fractures, estrogen

osteoporosis bone health fractures calcium vitamind fragility bisphosphonates osteoblasts osteoclasts dexa skeletal spine hip prevention density osteopenia estrogen trabecular cortical remodeling hormone postmenopausal vertebral kyphosis compression resorption mass turnover awareness orthopedic women menopause skeletalsystem fracturerisk mineral fall weight bisphosphonate therapy fracture risk aging exercise nutrition strength diagnosis