Relationship Between the Change in Daily Step Count and Brachial-Ankle Wave Velocity During a Pedometer-Based Physical Activity Program for Older Adults

• Miyazaki Ryo

  Anti-Aging Medical Research Center, Graduate School of Life and Medical Sciences, Doshisha University Health and Human Performance Research Center, Doshisha University formerly of Laboratory of Human Performance and Fitness, Hokkaido University

• Yonei Yoshikazu

  Anti-Aging Medical Research Center, Graduate School of Life and Medical Sciences, Doshisha University

• Azuma Yoriko

  formerly of Laboratory of Human Performance and Fitness, Hokkaido University

• Chiba Hitoshi

  Department of Health Science, Hokkaido University School of Medicine

• Hayashi Koichiro

  Faculty of Human Development, Kokugakuin University

• Yamatsu Koji

  Faculty of Culture and Education, Saga University

• Ishii Kojiro

  Health and Human Performance Research Center, Doshisha University formerly of Laboratory of Human Performance and Fitness, Hokkaido University Faculty of Health & Sports Science, Doshisha University

Abstract

Objective: To study the relationship between the change in the number of steps taken and brachial-ankle pulse wave velocity (baPWV) during a long-term pedometer-based physical activity program in healthy older adults.<br>Methods: Sixty older adults participated in this 17-week program. Each subject was provided with a pedometer and was given a goal to walk a set number of steps/day. After five subjects were excluded because of insufficient step data, data from 55 subjects (19 men and 36 women; age range: 65.79 years, mean age: 71.3±3.7 years; mean body mass index [BMI]: 24.1±8.8 kg/m²) were analyzed. Subjects were checked before and after the study. Each subject was informed of his or her vascular age, calculated from baPWV, at the start of the study.<br>Results: Subjects were divided into four groups based on the results of baPWV. The group in which baPWV improved above a selected cut-off value (1,700 cm/s) revealed the largest increase in steps/day among groups. This increase (4837.7±1868.7 steps) was larger than in groups in which baPWV remained low (1406.7±2402.1 steps, p=0.036) and high (1678.2±2871.4 steps, p=0.059). In any group, age or initial steps/day did not influence the change in steps. Subjects classified as having an older vascular age than the actual age on the basis of initial baPWV walked further.<br>Conclusion: An increase in steps/day might improve baPWV. Although walking is a low intensity physical activity, it can have an anti-atherosclerosis effect.

Journal

• ANTI-AGING MEDICINE

  ANTI-AGING MEDICINE 8 (4), 35-40, 2011

  Japanese Society of Anti-Aging Medicine

Keywords

• walking
• atherosclerosis
• arterial stiffness
• baPWV
• aging

Details

• CRID: 1390001205293709568
• NII Article ID: 130000968340
• DOI: 10.3793/jaam.8.35
• ISSN: 18822762
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed