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Effects of physical exercise on fall risk factors in elderly at home in intervention trial

  • Ryosaku Kobayashi
  • Hiroto Nakadaira
  • Kazuo Ishigami
  • Keiko Muto
  • Shizuki Anesaki
  • Masaharu Yamamoto
Original Article

Abstract

Objective

In this study, we used an intervention approach to examine the effects of physical exercise on elderly people living at home in a rural area.

Methods

Two regions in a village were randomly assigned as the control and intervention regions. The subjects were 60 years of age or older and were able to carry out their activities of daily living independently. The numbers of subjects were 56 and 81 for the control and intervention regions, respectively. In the control region, lectures on health were provided twice. In the intervention region, instructions on ten types of physical exercise were provided six times during this three-month study. In addition, the subjects in the intervention region were instructed to do, exercises by themselves at home three days per week. The effects were compared by evaluating motor functions in maximum step length, 10-m full-power walking parameters, right knee extension torque, right hip flexion torque, and stepping time on a 40-cm staircase; data were obtained before and after the intervention.

Results

Analysis of covariance (ANCOVA) showed significant improvements in right maximum step length, the mean of the right and left maximum step lengths, and right hip flexion torque in the intervention region.

Conclusion

The three-month physical exercise program improves the motor functions of the elderly.

Key words

control region intervention region fall prevention muscle strength balance exercises 

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Copyright information

© Japanese Society of Hygiene 2006

Authors and Affiliations

  • Ryosaku Kobayashi
    • 6
  • Hiroto Nakadaira
    • 1
  • Kazuo Ishigami
    • 2
  • Keiko Muto
    • 3
  • Shizuki Anesaki
    • 4
  • Masaharu Yamamoto
    • 5
  1. 1.Department of Nursing Science Faculty of PsychologyNiigata Seiryo UniversityNiigataJapan
  2. 2.Welfare and Health Promotion Division, Niigata PrefectureNiigataJapan
  3. 3.Healthy Promotion DivisionShibata City, NiigataJapan
  4. 4.Department of Health, Welfare and EnvironmentShibata Regional Promotion Bureau, Niigata PrefectureNiigataJapan
  5. 5.Department of Community Preventive MedicineNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
  6. 6.Department of Physical TherapyNiigata University of Health and WelfareNiigatasi, NiigataJapan

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