Fig. 4From: Long-term use of implanted peroneal functional electrical stimulation for stroke-affected gait: the effects on muscle and motor nervea-d Mean estimated area under the curve and peak-to-peak amplitudes ± standard errors for compound motor action potentials (a, b) and motor evoked potentials (c, d) obtained from tibialis anterior muscle over time: paretic side (circles, solid lines) and non-paretic side (triangles, dashed lines). Tables with estimated means and standard errors can be found in Additional file 2Back to article page