Validity and Reliability of the Newly Developed Surface Electromyography Device for Measuring Muscle Activity during Voluntary Isometric Contraction

<div>(a) The newly developed electromyography (EMG) machine (PSL-EMG-Tr1, PhysioLab Co., Ltd., Busan, Korea). (b) Placement of the two pairs of surface electrodes on the biceps brachii muscle.</div>

Computational and Mathematical Methods in Medicine

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Figure 2

Figure 2: Validity and Reliability of the Newly Developed Surface Electromyography Device for Measuring Muscle Activity during Voluntary Isometric Contraction 

Figure 2 | Validity and Reliability of the Newly Developed Surface Electromyography Device for Measuring Muscle Activity during Voluntary Isometric Contraction 