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. 2020 Oct 9;14:555593. doi: 10.3389/fnsys.2020.555593

FIGURE 2.

FIGURE 2

The representative examples of evoked potential dynamics with increasing current for transvertebral double-pulse electrical stimulation (1,900–2,200 μA) delivered at VL5 vertebrae for mm. flexor hallucis longus (FHL) and soleus (SOL). Stim, stimulation impulse; ER, early response; MR, medium response.