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| Content Provider | Springer Nature Link |
|---|---|
| Author | Youn, Wonkeun Kim, Jung |
| Copyright Year | 2010 |
| Abstract | Mechanomyography (MMG) is the muscle surface oscillations that are generated by the dimensional change of the contracting muscle fibers. Because MMG reflects the number of recruited motor units and their firing rates, just as electromyography (EMG) is influenced by these two factors, it can be used to estimate the force exerted by skeletal muscles. The aim of this study was to demonstrate the feasibility of MMG for estimating the elbow flexion force at the wrist under an isometric contraction by using an artificial neural network in comparison with EMG. We performed experiments with five subjects, and the force at the wrist and the MMG from the contributing muscles were recorded. It was found that MMG could be utilized to accurately estimate the isometric elbow flexion force based on the values of the normalized root mean square error (NRMSE = 0.131 ± 0.018) and the cross-correlation coefficient (CORR = 0.892 ± 0.033). Although MMG can be influenced by the physical milieu/morphology of the muscle and EMG performed better than MMG, these experimental results suggest that MMG has the potential to estimate muscle forces. These experimental results also demonstrated that MMG in combination with EMG resulted in better performance estimation in comparison with EMG or MMG alone, indicating that a combination of MMG and EMG signals could be used to provide complimentary information on muscle contraction. |
| Starting Page | 1149 |
| Ending Page | 1157 |
| Page Count | 9 |
| File Format | |
| ISSN | 01400118 |
| Journal | Medical and Biological Engineering and Computing |
| Volume Number | 48 |
| Issue Number | 11 |
| e-ISSN | 17410444 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2010-06-04 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Mechanomyogram Electromyogram Artificial neural network Force estimation Elbow flexion Computer Applications Imaging Radiology Biomedical Engineering Human Physiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biomedical Engineering Computer Science Applications |
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