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Physical activity itself has not been demonstrated to lower fracture incidence in older women. In a population-based study, Finnish researchers examined whether a home-based exercise program affected long-term fracture incidence in 160 women (mean age, 72) with dual energy x-ray absorptiometry (DEXA)-identified osteopenia. Women randomized to exercise received weekly supervised balance and leg-strength training sessions for 4 months and then performed 20 minutes of similar exercise daily at home for 3 years. The control group received general health information at baseline and continued their routine daily activities. Bone-mineral density (BMD) measurements were performed after 6 years. Fracture and mortality data were collected from compre…