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. 2019 Jul 15;46(4):303–310. doi: 10.5999/aps.2018.01375

Fig. 3. Myoelectrical signals assigned predefine patterns.

Fig. 3.

The upward rectangular curve indicates the duration of muscle contraction and the downward does those of muscle relaxation. Lines and dots indicate the contraction duration of muscle. OLED, organic light-emitting diode; EMG, electromyography. Figure by courtesy of Sanho Yi.