Methods for Estimating Isometric Recruitment Curves of Electrically Stimulated Muscle

William K. Durfee, Karon E. MaClean

Research output: Contribution to journalArticlepeer-review

101 Scopus citations

Abstract

Four methods for estimating the recruitment curve of isometric, electrically stimulated muscle are described. Three of the 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. The 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.

Original languageEnglish (US)
Pages (from-to)654-667
Number of pages14
JournalIEEE Transactions on Biomedical Engineering
Volume36
Issue number7
DOIs
StatePublished - Jul 1989

Bibliographical note

Funding Information:
Manuscript received June 7, 1988; revised November 16, 1988. This work was supported by the Whitaker Foundation and the W. M. Keck Foundation and was performed in the Whitaker College and the Eric P. and Evelyn E. Newman Laboratory for Biomechanics and Human Rehabilitation at M.I.T.

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

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