Electrode placement for knee extension stimulation dual channel for medial tracking. The greater trochantor and the patella are marked. An asymmetric biphasic waveform is used. The negative electrode for channel one is placed over the medialis oblique. The positive lead is placed in the dual channel leadwire electrode at mid-thigh. Channel one leads by two to three seconds during the stimulation to allow the patella to track medially. Channel two is then brought in to create full knee extension stimulation. The quality of the stimulated contraction is three out of five.
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