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High Resolution Image Download MS PowerPoint Slide Flexible electronic insoles offer a promising approach for the assessment of gait-related disorders, such as Parkinson’s Disease (PD), and for the evaluation of plantar pressure and weight distribution. Although recent studies have explored innovative sensing technologies for developing such insoles, versatile and easily implemented solutions suitable for home-based gait monitoring remain limited. Therefore, this paper presents the development of flexible sensorized insoles, integrating electrospun piezocapacitive sensors and an inertial measurement unit (IMU), enabling the accurate collection of spatiotemporal gait parameters and weight-distribution characteristics. The piezocapacitive sensors, comprising a nanofibrous PVAc-graphene dielectric layer, were embedded into commercially available insoles and coupled with a wireless data acquisition system. The system’s performance was validated by measuring stride length, plantar pressure, and weight distribution during simulated PD gait patterns. The results demonstrate high accuracy and precision in measuring stride lengths, and effectively capture peak pressures, weight distributions, and step times. Furthermore, the developed insoles proved versatile for use in outdoor environments and exhibited considerable durability.
Onorati et al. (Mon,) studied this question.
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