 The synergistic effects of CR EX may be effective in reversing the effects of inflammation, oxidative distress, apoptosis, and sarcopenia on both muscle strength and physical functioning in older adults. Thus, the primary goal of this pilot study is to provide support for a future RCT to test the hypothesis that a lifestyle intervention targeting a 7 loss in body weight through CR EX will produce greater reductions in these outcomes, as compared to a no weight loss control condition. The future RCT would be designed to test the following primary and secondary hypotheses: 