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http://hdl.handle.net/10397/1801
Title: | A System for the Synchronized Recording of Sonomyography, Electromyography | Authors: | Huang, QH Zheng, YP Chen, X He, J Shi, J |
Issue Date: | 2007 | Source: | Open biomedical engineering journal, 2007, v. 1, p. 77-84 | Abstract: | Ultrasound and electromyography (EMG) are two of the most commonly used diagnostic tools for the assessment of muscles. Recently, many studies reported the simultaneous collection of EMG signals and ultrasound images, which were normally amplified and digitized by different devices. However, there is lack of a systematic method to synchronize them and no study has reported the effects of ultrasound gel to the EMG signal collection during the simultaneous data collection. In this paper, we introduced a new method to synchronize ultrasound B-scan images, EMG signals, joint angles and other related signals (e.g. force and velocity signals) in real-time. The B-mode ultrasound images were simultaneously captured by the PC together with the surface EMG (SEMG) and the joint angle signal. The deformations of the forearm muscles induced by wrist motions were extracted from a sequence of ultrasound images, named as Sonomyography (SMG). Preliminary experiments demonstrated that the proposed method could reliably collect the synchronized ultrasound images, SEMG signals and joint angle signals in real-time. In addition, the effect of ultrasound gel on the SEMG signals when the EMG electrodes were close to the ultrasound probe was studied. It was found that the SEMG signals were not significantly affected by the amount of the ultrasound gel. The system is being used for the study of contractions of various muscles as well as the muscle fatigue. | Keywords: | Muscle Fatigue Ultrasound Electromyography EMG Sonomyography SMG |
Publisher: | Bentham Science Publishers Ltd. | Journal: | Open biomedical engineering journal | EISSN: | 1874-1207 | DOI: | 10.2174/1874120700701010077 | Rights: | This work is licensed under the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/3.0/). |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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2008 Open BME Journal - A system for the syncrhonized recording of SMG EMG and Joint Angle.pdf | 653.58 kB | Adobe PDF | View/Open |
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