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. 2022 Mar 30;22(7):2640. doi: 10.3390/s22072640

Figure 2.

Figure 2

(a) (a1) The in vivo experiments on rats. (a2) The Hook-shaped stimulation electrodes. (a3) The tibialis anterior muscle of the rats on which we perform the EMG acquisition, including (a4) the concentric needle vs. (a5) the flexible surface electrode. (b) The representative traces of electrical stimulation-induced EMG wave and the parameters calculated.