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View Full Version : Re: Indices of co-contraction using EMG



Jan G.m. Thunnissen
08-15-1997, 12:04 AM
See ref: Thunnissen, J. (1993): Muscle Force Prediction. Ph.D. Thesis Uni.
of Twente, The Netherlands.


On Fri, 15 Aug 1997, Peter F. Vint wrote:

> I have been asked to assist a colleague in quantifying the degree of
> agonist/antagonist co-contraction during walking gait using surface EMG.
> In a quick review of the relevant literature, I have encountered a number
> of different techniques for quantifying such indices of co-contraction. I
> have two questions for members who may have greater experience in such
> matters:
>
> 1) Which indices have been found to be most useful and/or most meaningful?
> Please include references to the published literature if available.
>
> 2) Since any index of co-contraction will involve EMG signals from at least
> two muscles, does normalization of the EMG magnitude present a special
> problem? If so, which normalization techniques have been found to be most
> effective in minimizing this problem?
>
> As always, I will post a summary of the replies. Thanks in advance
>
> Peter
> _______________________________________
> Peter F. Vint, Ph.D.
> 237 K HHP Building
> Department of Exercise and Sport Science
> University of North Carolina at Greensboro
> Greensboro, NC 27455
> e-mail: pfvint@homans.uncg.edu
> phone: (910) 334-3274
> fax: (910) 334-3238
>
>
> _______________________________________
> Peter F. Vint, Ph.D.
> 237 K HHP Building
> Department of Exercise and Sport Science
> University of North Carolina at Greensboro
> Greensboro, NC 27455
> e-mail: pfvint@homans.uncg.edu
> phone: (910) 334-3274
> fax: (910) 334-3238
>
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