Journal ArticleDOI
Long-term unrestrained measurement of stride length and walking velocity utilizing a piezoelectric gyroscope
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TLDR
The purpose of this study was to develop a device with the following design criteria: lightweight, easy attachment, little hindrance to the natural gait pattern, sufficient memory to record for one day, and practicality in clinical use.Abstract:
Long-term monitoring of stride length and walking velocity is considered to provide useful information for making decisions on treatment of patients with gait disabilities. The purpose of this study was to develop a device with the following design criteria: lightweight, easy attachment, little hindrance to the natural gait pattern, sufficient memory to record for one day, and practicality in clinical use. The prototype consists of a piezoelectric gyroscope, which detects angular velocity of the thigh of one leg in the sagittal plane, and a microprocessor-based maximum/minimum detector/data logger of a cyclic analog signal associated with the gait cycle. The accuracy of the device was evaluated in 20 normal subjects, seven above-the-knee (A/K) amputees, and ten hemiplegic patients, and relative accuracy within /spl plusmn/15% was obtained, except for two special cases.read more
Citations
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Journal ArticleDOI
Gait analysis using wearable sensors.
TL;DR: The gait analysis methods based on wearable sensors is divided into gait kinematics, gait kinetics, and electromyography, which are expected to play an increasingly important role in clinical applications.
Journal ArticleDOI
Spatio-temporal parameters of gait measured by an ambulatory system using miniature gyroscopes
TL;DR: An ambulatory system for estimation of spatio-temporal parameters during long periods of walking based on wavelet analysis to compute the values of temporal gait parameters from the angular velocity of lower limbs, which is light, portable, inexpensive and does not provoke any discomfort to subjects.
Journal ArticleDOI
Measuring orientation of human body segments using miniature gyroscopes and accelerometers
TL;DR: A method for accurate measurement of the orientation of human body segments using an inertial measurement unit (IMU) using a Kalman filter and it was shown that the gyroscope offset could be estimated continuously during a trial.
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Assessment of walking features from foot inertial sensing
TL;DR: It is concluded that foot inertial sensing is a promising tool for the reliable identification of subsequent gait cycles and the accurate assessment of walking speed and incline.
Journal ArticleDOI
Wearable Devices in Medical Internet of Things: Scientific Research and Commercially Available Devices.
TL;DR: Wearable health care devices, with the help of improved technology, have been developed greatly and are considered reliable tools for long-term health monitoring systems.
References
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A microprocessor-based data-acquisition system for measuring plantar pressures from ambulatory subjects
TL;DR: A portable microprocessor-based data-acquisition system developed to measure discrete plantar pressures within the shoe from ambulatory subjects is described, which offers improved accuracy, repeatability, portability, and flexibility not available in current commercial systems.
Journal ArticleDOI
Gait analysis using a measuring walkway for temporal and distance factors.
Shunji Hirokawa,K Matsumara +1 more
Journal ArticleDOI
A measurement device to assist amputee prothetic fitting
Journal ArticleDOI
A Device for Long Term Ambulatory Monitoring in Trans-tibial Amputees
TL;DR: The CAMP prototype proved to be a useful device for measuring relevant aspects of prosthetic use for up to five days and practical in clinical use.
Proceedings ArticleDOI
A portable 8 channel gait kinematics recording unit
Mirjana Popovic,D. Tepavac +1 more
TL;DR: A portable 8 channel joint angle recording unit that allows 5 minutes of continuous recording from non-compensated bridge type transducers is presented in this paper.