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Foot pressure analysis is a fundamental part of sports biomechanics, ergonomics, and clinical research. This study aimed to evaluate the influence of different footwear on the accuracy and reliability of wireless insoles for foot pressure measurement. Five participants performed a number of tasks such as, squat, mediolateral (ML) sway, and anteroposterior (AP) sway, while the data were being recor...Show More
Pedobarography and gait analysis are crucial components of healthcare, given their close association with chronic illnesses. Wearable electronics, such as smart insole systems, have emerged as a promising technology for remote and long-term gait monitoring, providing more accurate data in real time. To meet the demands of wearable electronics, components with both flexibility and sensitivity are c...Show More
To realize a pressure sensor capable of detecting human motions and gait disease for a smart insole system, highly flexible/stretchable and electrical sensing materials are required. In addition, the impact parameters of pressure sensors such as high linearity and sensitivity and a wide range of dynamic pressure are needed to accurately detect external pressure stimuli during the operation. Recent...Show More
Stroke is the second leading cause of disability and mortality worldwide. Extensive researches on rehabilitation assessment for stroke survivors using wearable plantar pressure sensors often suffer from troublesome processes and unsatisfactory results due to excessive sensors and sparse pressure sensing structures. To address this, we developed an automatic assessment system for the recovery stage...Show More
An insole system has been developed in this research, which is helpful in acquisition and analysis of gait parameters. Daily auditing is necessary to evaluate the quality of gait before, during and after rehabilitation. Footgear systems have been quite a popular choice for researchers as they are non-invasive with user friendly setup. The designed device analyses gait patterns using FSR type press...Show More
In this paper, a low cost and flexible plantar pressure monitoring system is presented that is suited for everyday use to prevent pressure ulcers. To define the technical specifications of the sensor system, a gait analysis study was carried out. Analysis of measured data based on a multivariate approach and neural network classification shows that it is possible to dissociate between healthy and ...Show More
M-health technology is a key component in digital healthcare monitoring. The Pedology domain has become a thriving topic in the last years. Researches prove that there is a relation between feet analysis and longer healthy life. In this paper, we propose a design of a smart insole system equipped with four resistive sensors (FSR) to provide real-time control of patients without bothering them duri...Show More
This contribution presents a flexible, thin shoe insole of less than 1 mm thickness, which can be used to monitor pressure at a human foot. On this insole, six single sensors based on a multi-walled carbon nanotube-polydimethylsiloxane composite are placed on distinct positions to measure the pressure at the forefoot, midfoot, hallux and heel. Within this work the fabrication of the composite as w...Show More
Heel-strike and toe-off are important gait events for gait analysis. Smart insoles with pressure sensors in different locations have been proposed to detect these two gait events. However, there is no research to reveal optimal sensor locations under the foot for heel-strike and toe-off detection. To address this problem, a novel method based on the mechanism of heel-strike and toe-off detection w...Show More
Falls prevention among the elderly community is regarded as one of the most critical public health topics in today’s aging society. Identifying the risk of falling in elderly individuals is considered the first step in prevention. In this study we present an alternative method of representing signal cyclostationarity as heat-map images and using convolutional neural network (CNN) with the ADAM opt...Show More
Accurate evaluation of a patient's walking ability is crucial for successful rehabilitation treatment. Existing gait analysis methods, such as optical and inertial motion capture systems, can be employed to directly obtain gait parameters, including joint angles. However, these methods require complex and expensive equipment, which may limit their widespread use. In this research, a simple low-cos...Show More
Smart insoles are widely used in Human Activity Recognition research, in areas such as health and sport. The majority of smart insole research so far has tended to focus on the intellectual frontier of what is possible, and less on how to turn that into reliable, market ready products. This paper looks at the reliability of smart insole measurements. It describes experiments that illustrate some o...Show More
This article presents a review of the application of insole plantar pressure sensor system in recognition and analysis of the hemiplegic gait in stroke patients. Based on the review, tailor made 3D insoles for plantar pressure measurement were designed and fabricated. The function is to compare with that of conventional flat insoles. Tailor made 3D contour of the insole can improve the contact bet...Show More
Body balance and center of pressure (COP) of the human body are extensively studied to assist the patients who loss of the body balances. Many medical devices are developed to detect the human body imbalance and to measure COP. This research presents a new medical device to measure the plantar pressure distribution. The device is capable to monitor the physical body balance, to identify the pathom...Show More
Gait analysis plays an important role in the diagnosis and treatment of Parkinson’s disease. Gait disorders, such as foot shuffling, are common symptoms of Parkinson’s disease and can affect the estimation of gait parameters, such as stance and swing durations. To avoid the influence of such gait deviations on measured gait parameters, it is important to detect their occurrence and duration. This ...Show More
The present work deals with the study of the human equilibrium using an ambulatory e-health system. One of the point on which we focus is the fall risk, when losing equilibrium control. A specific postural learning model is presented, and an ambulatory instrumented insole is developed using 3 pressures sensors per foot, in order to determine the real-time displacement and the velocity of the centr...Show More
Pedestrian accidents caused by sidewalk surface conditions have become a problem. Especially, snowy and icy sidewalk surfaces in winter increase the risk of accidents for pedestrians. One simple approach to prevent such accidents is to collect and share information about sidewalk surface conditions with pedestrians. In this study, we present a sidewalk surface condition estimation method. The surf...Show More
The importance of human motion and gait analysis in healthcare cannot be overstated, as it is intricately tied to chronic illnesses. The development of wearable electronics such as smart insole systems has enabled remote and long-term gait monitoring and provides more accurate data. Wearable electronics demand components that possess both flexibility and sensitivity, which are key to their perform...Show More
The foot pressure distribution, while standing, walking, or running, is an important parameter for gait analysis and feet health status in the field of sports, rehabilitation, or medical applications. In this paper, we show a system for improving medical rehabilitation for patients after musculoskeletal operations. Postoperative surgery for knee surgery is usually due to excessive movement during ...Show More
The acquisition and analysis of plantar pressure can be applied to the postoperative gait rehabilitation training of stroke patients, providing effective quantitative data reference for doctors to evaluate the patient's condition and formulate targeted treatment plans. In this paper, an insole type plantar pressure sensing system was developed for the needs of long-term continuous monitoring of pa...Show More
Diabetic foot complications tend to increase plantar pressure distribution increasing the chances of ulceration and re-ulceration. The knowledge about the factors associated with the causes of ulceration and effective offloading still lacks. Custom-made insole (CMI) is one of offloading techniques. This study aimed to investigate the plantar pressure distribution with shod gait and with CMI during...Show More
This study introduces a wearable in-shoe system for real-time monitoring and measurement of plantar pressure distribution of the foot using eleven sensing elements. The sensing elements utilized in ShrewdShoe have been designed in an innovative way, they are based on a barometric pressure sensor covered with a silicon coating. The presented sensing element has a great linearity up to 300 N and is ...Show More
Gait analysis is an important medical diagnostic process and has many applications in healthcare, rehabilitation, therapy, and exercise training. However, typical gait analysis has to be performed in a gait laboratory, which is inaccessible for a large population and cannot provide natural gait measures. In this paper, we present a novel sensor device, namely, Smart Insole, to tackle the challenge...Show More
Insole pressure sensors capture the different forces exercised over the different parts of the sole when performing tasks standing up. Using data analysis and machine learning techniques, common patterns and strategies from different users to execute different tasks can be extracted. In this paper, we present the evaluation results of the impact that clinically diagnosed osteoarthritis of the knee...Show More