Validation of estimated muscle fiber conduction velocity with the normalized peak-averaging technique
| Autor: | Toshiaki Gomi, Ken Nishihara, Toshiro Futami, Kazuho Hosoda |
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| Rok vydání: | 2005 |
| Předmět: |
Normalization (statistics)
Adult Male Materials science Electromyography Muscle Fibers Skeletal Biophysics Neuroscience (miscellaneous) Neural Conduction Signal Processing Computer-Assisted Isometric exercise Anatomy Muscle fiber conduction velocity Evoked Potentials Motor Biceps Isometric Contraction Healthy volunteers Humans Female Neurology (clinical) Muscle Skeletal Biomedical engineering |
| Zdroj: | Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology. 15(1) |
| ISSN: | 1050-6411 |
| Popis: | To estimate muscle fiber conduction velocity (MFCV), the normalized peak-averaging technique was developed along with complementary software and reported in a previous study. Electromyograms were recorded from the vicinity of end-plate zones (EMG data 1) and a site farther from the end-plates and distal tendons (EMG data 2) of biceps brachii muscles using surface array electrodes during 50% maximal voluntary isometric contractions in ten healthy volunteers. The MFCV values obtained with normalized peak-averaging technique were compared to those obtained with the cross-correlation technique and examined by computer simulation of the MFCV distribution. The MFCV values obtained with normalized peak-averaging technique highly correlated with those obtained with cross-correlation technique in both EMG data 1 and EMG data 2. It was also confirmed that MFCV values obtained from EMG data 1 were distributed much more widely than those obtained from EMG data 2. These results show the clinical usefulness of normalized peak-averaging technique for the detailed assessment of MFCV. |
| Databáze: | OpenAIRE |
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