Methods for estimating isometric recruitment curves of electrically stimulated muscle

Three methods were tested experimentally in isolated tibialis anterior and medial gastrocnemius muscles of cats. The three methods are steady-state step response, peak impulse response, and deconvolved ramp response. A fourth method, described but not tested, is a stochastic iteration technique. The...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 1989-07, Vol.36 (7), p.654-667
Main Authors: Durfee, W.K., MacLean, K.E.
Format: Article
Language:English
Subjects:
Actuators
Amplitude modulation
Animals
Biological and medical sciences
Cats
Diseases of the nervous system
Electric Stimulation
Force control
In Vitro Techniques
Isometric Contraction
Mathematical Computing
Medical sciences
Muscle Contraction
Muscles
Muscles - physiology
Nerve fibers
Neural Conduction
Pulse width modulation
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Recruitment
Recruitment, Neurophysiological
Space vector pulse width modulation
Testing
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Summary:Three methods were tested experimentally in isolated tibialis anterior and medial gastrocnemius muscles of cats. The three methods are steady-state step response, peak impulse response, and deconvolved ramp response. A fourth method, described but not tested, is a stochastic iteration technique. The results demonstrate that estimations of recruitment curves depend on the method used and that all methods are sensitive to short-term and long-term time variations in muscle properties. While the step-response technique is the traditional method for estimating recruitment curves, the ramp-deconvolution method appears to offer acceptable accuracy with much shorter testing times.< >
ISSN:0018-9294
1558-2531
DOI:10.1109/10.32097