title: Physical activity and calcium modalities for bone mineral increase in aged women.
abstract: This study tested the hypothesis that physical activity and/or supplemental calcium (0.75 g/day) and vitamin D (400 IU) would effectively slow bone loss, and /or increase bone mineral content (BMC) in aged females (X = 81) over three years. In vivo BMC and width of the radius was determined by photon absorptiometry at two sites. Four groups were formed: a control, a drug, a physical activity, and a physical activity plus drug. A single tailed t-test was used to compared the slope of the linear regression of 10 data points collected on each subject. The BMC of the control group declined 3.29%, while the physical activity group and drug group demonstrated a 2.29% (p less than .05) increase and a 1.58% (p less than .07) increase respectively, during the study.
mesh_terms: D000368:Aged; D000375:Aging; D000886:Anthropometry; D001862:Bone Resorption / Q000187:drug effects*; D001842:Bone and Bones / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism* / Q000494:pharmacology; D005260:Female; D006801:Humans; D010014:Osteolysis / Q000187:drug effects*; D005082:Physical Exertion; D014807:Vitamin D / Q000378:metabolism* / Q000494:pharmacology
chemical_list: D014807:Vitamin D; D002118:Calcium