Providing appropriate exercise levels for the elderly

We propose a unique fuzzy system design for adjusting the cycle ergometer work-load to each individual's physical work capacity. We observed the physical work capacity by measuring the heart rate and a muscular-fatigue-related index. A set of fuzzy membership functions was determined for three...

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Bibliographic Details
Published in:IEEE engineering in medicine and biology magazine 2001-11, Vol.20 (6), p.116-124
Main Authors: Kiryu, T., Sasaki, I., Shibai, K., Tanaka, K.
Format: Article
Language:English
Subjects:
Aged - physiology
Algorithms
Blood pressure
Cardiovascular system
Electromyography - instrumentation
Electromyography - methods
Equipment Design - methods
Exercise Test - instrumentation
Exercise Test - methods
Exercise Therapy - instrumentation
Exercise Therapy - methods
Exercise Tolerance - physiology
Fatigue
Feasibility Studies
Feedback
Female
Frequency
Fuzzy Logic
Fuzzy systems
Heart rate
Heart Rate - physiology
Humans
Information analysis
Leg - physiology
Male
Middle Aged
Models, Biological
Muscle Fatigue - physiology
Muscle, Skeletal - physiology
Principal component analysis
Senior citizens
Sensitivity and Specificity
Signal Processing, Computer-Assisted
Workload
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Summary:We propose a unique fuzzy system design for adjusting the cycle ergometer work-load to each individual's physical work capacity. We observed the physical work capacity by measuring the heart rate and a muscular-fatigue-related index. A set of fuzzy membership functions was determined for three different phases during a trial of exercise with a progressively increasing workload. Since the available objective data was limited in describing changes in physical activities, the fuzzy rules for workload control were designed to reflect the different types and different time-scales of physical information. We examined 18 elderly people and periodically redesigned die fuzzy inference for eight selected persons over a seven-month period.
ISSN:0739-5175
1937-4186
DOI:10.1109/51.982283