A simple technique for correlating film and EMG in locomotion studies |
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| Authors: | Andrew K. Chan Stanley Rasmussen G. E. Goslow |
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| Affiliation: | 1. Departments of Engineering, Physical Education, and Biological Sciences, Northern Arizona University, 86001, Flagstaff, Arizona
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| Abstract: | Two recurring problems hampering investigations of muscular activity patterns during locomotion are electrical “noise” and movement artifact in the electromyographic (EMG) signal and proper synchronization of behavioral events to the EMG. A relatively simple technique for achieving these ends is presented. Vigorous locomotor movements of unrestrained animals are recorded on 16-mm film and synchronized with one or more EMGs from selected muscles with little electrical noise or movement artifact interference. The system employs telemetry which is compared to hardwire techniques. |
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