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M. Yamada, S. Mori, S. Nishiguchi, Y. Kajiwara, K. Yoshimura, T. Sonoda, K. Nagai, H. Arai, H. Arai

J Frailty Aging 2012;1(1):39-44

Recent studies suggested that pedometer-based walking programs are applicable to older adults. Objectives: The purpose of this study was to evaluate the use of pedometer in sedentary older adults to improve physical activity, fear of falling, physical performance, and leg muscle mass. Design: This was a pilot randomized controlled trial (RCT). Setting and participants: Eighty-seven community dwelling sedentary older adults living in Japan. Intervention: The intervention group (n=43) received a pedometer-based behavioural change program for 6 months, while the control group (n=44) did not. The participants in the intervention group were instructed to increase their mean daily steps by 10% each month. Thus, at the end of 6 months, participants in the intervention group were expected to have 77 % more daily steps than their baseline step counts. Written activity logs were monthly averaged to determine whether the participants were achieving their goal. Measurements: Outcome measures were physical activity, fear of falling, physical performances, and leg muscle mass. Results: In this 6-month trial 40 older adults (93%) completed the pedometer protocol with good adherence. In the intervention group, average daily steps were increased by 83.4% (from 20311323 to 3726 1607) during the study period, but not in the control group (from 20471698 to 22671837). The pedometer-based behavioral change program was more effective to improve their physical activity, fear of falling, locomotive function, and leg muscle mass than control (P<0.05). Conclusion: These results suggested that the pedometer-based behavioral change program can effectively improve the physical activity, fear of falling, physical performance, and leg muscle mass in sedentary older adults.

M. Yamada ; S. Mori ; S. Nishiguchi ; Y. Kajiwara ; K. Yoshimura ; T. Sonoda ; K. Nagai ; H. Arai ; H. Arai (2012): Pedometer-based behavioral change program can improve dependency in sedentary older adults: A randomized controlled trial . The Journal of Frailty and Aging (JFA). http://dx.doi.org/10.14283/jfa.2012.7

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