2001 Fiscal Year Final Research Report Summary
Development of Passive Leg Cycle Exercise for the elderly to improve the walking rhythm and enhance the autonomic nervous activity
Project/Area Number |
11557208
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 展開研究 |
Research Field |
基礎・地域看護学
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Research Institution | THE UNIVERSITY OF TOKYO |
Principal Investigator |
SUGISHITA Chioko Graduate School of Medicine, THE UNIVERSITY OF TOKYO, Professor, 大学院・医学系研究科, 教授 (60010063)
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Co-Investigator(Kenkyū-buntansha) |
KUMADA Mamoru St. Luke's College of Nursing, Faculty of Nursing, Professor, 看護学部, 教授 (00110487)
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Project Period (FY) |
1999 – 2000
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Keywords | EXERCISE / AGING / AUTONOMIC NERVOUS SYSTEM |
Research Abstract |
We investigated whether passive leg cycle exercise (PLE) for the elderly and patients with spinal cord injuries leads to the modulation of autonomic nervous activity in 5 elderly subjects. All subjects were informed consent and participate voluntarily in this study. To evaluate changes in autonomic nervous activity during PLE, we used autoregressive (AR) power spectra of pulse interval variability (PIV) corresponded to R-R interval variability and systolic blood pressure variability (SPV). Our results showed that LF and HF powers and the ratio power (LF/HF) of PIV reflecting cardiac sympathetic, parasympathetic tone and sympatho-vagal balance were not changed during PLE, but during recovery period immediately after PLE, LF and HF powers and total power of PIV was significantly (p<0.05) increased. On the pother side, LF power of SPV showing vasomotor sympathetic tone was significantly (p<0.05) decreased. We also evaluate the effect of PLE for five consecutive days to the walking rhythm. The velocity of walking after PLE was 1. 2-1. 5 times higher than that before PLE. We conclude that PLE may be used as the useful exercise for the elderly who need some therapeutics without the abrupt modulation of autonomic nervous activity.
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Research Products
(4 results)