Research Article

Is the Frequency in Somatosensory Electrical Stimulation the Key Parameter in Modulating the Corticospinal Excitability of Healthy Volunteers and Stroke Patients with Spasticity?

Figure 1

Surface electrode placement for SES. The positive electrode was placed near the elbow joint while the negative electrode was placed near the wrist joint. Surface electromyographic electrodes (in black) can be observed over the flexor carpi radialis (FCR) and abductor pollicis brevis (APB) muscle bellies.