Fig. 4From: Preparatory brain activity and anticipatory postural adjustments accompanied by externally cued weighted-rapid arm rise task in non-specific chronic low back pain patients and healthy subjectsCNV parameters, including (a) late CNV, (b) peak CNV and (c) CNV area of normal and LBP groups, which recorded at each channel separately. Significant values (P < 0.05) are represented by asterisks. By convention, negative voltage is plotted upward. Fz frontal, Cz central, and Pz parietal midline channels, µV microvolt, and mV.ms millivolt.millisecond. Results are represented as mean ± SEMBack to article page