The control of oscillatory movements of the forearm
Author:
- 1 July 1989
- journal article
- research article
- Published by Springer Nature in Biological Cybernetics
- Vol. 61 (3) , 233-240
Abstract
The patterns of EMG activity in the biceps and triceps muscles were recorded during horizontal oscillatory movements of the forearm. Subjects showed increased frequency of oscillation as they voluntarily reduced movement amplitude. EMG burst duration was significantly correlated with wavelength of oscillation in every case. In almost half the cases burst intensity was also positively correlated with wavelength. Subjects seemed to be using one or both these methods to control amplitude. A model was developed in three stages which satisfactorily accounted for the data.Keywords
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