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  • Neurologic electrodes designed to detect and measure the electrical potential present on the skin, near, or within a muscle or muscle group in consequence of a muscle contraction. These electrodes may be non-invasive small cup-like surface electrodes which are applied at the desired locations on the skin using either tape or water-soluble paste or percutaneous needle and fine-wire electrodes intended for deep muscles. Using appropriate placement, the voltage measured can be related to the activity of a single or specific group of muscles; the signal is represented as a trace that develops during time, increasing from zero up to tenths or hundreds of microvolts as the muscle becomes activated. Myography electrodes are typically used in motion analysis to assess muscle function, with application in sports, ergonomics, occupational and rehabilitation medicine; they are also used for investigation of both muscle activation and muscle physiological characteristics.
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