Figure 1

The insole with the vibratory device (A) and schematic diagram that shows integration of the vibratory device within the insole (B) and sequence of the vibratory stimulation during step phases (C). Vibratory device consists of a vibration disk motor (diameter 18 mm) and a membrane switch attached to the top of the motor, with a resulting thickness of ~5 mm and weight of ~5 grams.