The Vitality, Independence, and Vigor in Elders Study I Clinical Trial

The primary objective of this study is to evaluate changes in functional status that result from an Exercise-Nutrition Program (ENP) targeted toward older adults residing at senior housing facilities. \- The primary hypothesis is that over the 6-month intervention period subjects in the intervention group will realize significant improvements in lower extremity function compared to a control group. Secondary objectives To evaluate changes in nutritional status that result from the ENP. \- The secondary hypothesis is that subjects in the intervention group will realize significant increases in circulating insulin-like growth factor-1 (IGF-1) and 25-hydroxy vitamin D (25(OH)D) and demonstrate improvements in nutritional status compared to a control group. To evaluate changes in inflammatory status that result from the ENP. \- Subjects in the ENP group will exhibit reduced concentrations of circulating interleukin-6 (IL-6) compared with the control group. To evaluate changes in psychosocial factors that result from the ENP * The related hypothesis is that over the 6-month intervention period subjects in the intervention group will increase exercise self-efficacy, intrinsic motivation to exercise, and satisfaction of psychological needs compared to a control group. * Additionally it is hypothesized that subjects in the intervention group will realize improvements in mood and quality of life compared to a control group. To assess the feasibility of conducting the Exercise-Nutrition Program in a senior housing facility setting.