Figure 13.
Filtered sEMG traces recorded with the wearable device (red line) and the Digitimer D360 (blue line) in the case of (a) biceps brachii contractions and (b) the abductor pollicis brevis; (c) zoom of the repeated fast and sudden random contraction of the biceps brachii in the time interval between 30 s and 40 s; (d) classification of ON state interval times (shadowed black line) of the abductor pollicis brevis activity; and, (e) zoom of the ON classification (black dashed line) of the abductor pollicis brevis and the threshold T (green line).