Abstract
Insole pressure during walking or running could be used to analyze abnormality of kinetic measurement for broad applications as such a diabetic foot, knee injuries and neural disorder. Moreover, some application of biometrics and human behavior also had been identified based on gait pattern. This project purposed a prototype for measuring ground reaction force using developed an instrumented insole measurement system based on dual-parameters of gait monitoring and analysis; foot force and plantar flexion. The system comprised hardware such as force and angle sensors, signal conditioning circuit and data acquisition device and software for signal's visualization for user interface and real-time gait analysis. The sensors will be placed on top of the shoe insole for measuring force distribution on foot and foot plantar for measuring flexion angle wired to a data acquisition device. The locations of the sensors have been determined based on the footprint during the gait cycle. This paper also presented details of components involved in the measurement system. It has been demonstrated that the developed system prototype could be used in the clinical gait monitoring and analysis established based on the foot force and plantar angle starting from heals strike till toe-off positions.
Highlights
Some literature on need of gait analysis, methods used in the analysis, the gait cycle and related prior studies is discuss to bring up the understanding of the research needs
The gait pattern could be either a temporary or permanent [1]. It has been claimed by many researchers that gait pattern could provide information on health conditions and few diseases such as knee osteoarthritis, diabetic foot, Parkinson is affected and observed from gait due to its unique fingerprint, which sometimes resulted antalgic, apraxic and ataxic pattern [2,3,4,5].gait analysis could be used to make detailed diagnosis, prognosis for certain diseases and in the rehabilitation evaluation and treatment [6]
The Force sensing sensors (FSR) and flexible bend sensor (FBS) sensor are based on the polymer thick film (PTF) material, which exhibits a decrease in resistance when increase the force applied at the surface for FSR and increase of resistance when increasing of bend angle for FBS
Summary
Gait analysis is a study of human walking, using the eye and brain of experienced observers, augmented by instrumentation for measuring body mechanics, kinetics and muscle movement. There are many factors affecting the gait pattern such as physicals, physiological, pathological and sometimes influence by emotions. The gait pattern could be either a temporary or permanent [1]. It has been claimed by many researchers that gait pattern could provide information on health conditions and few diseases such as knee osteoarthritis, diabetic foot, Parkinson is affected and observed from gait due to its unique fingerprint, which sometimes resulted antalgic, apraxic and ataxic pattern [2,3,4,5].gait analysis could be used to make detailed diagnosis, prognosis for certain diseases and in the rehabilitation evaluation and treatment [6]
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