scholarly journals Risk of Falling in a Timed Up and Go Test Using an UWB Radar and an Instrumented Insole

Sensors ◽  
2021 ◽  
Vol 21 (3) ◽  
pp. 722
Author(s):  
Johannes C. Ayena ◽  
Lydia Chioukh ◽  
Martin J.-D. Otis ◽  
Dominic Deslandes
Keyword(s):  
Data Transfer ◽  
Wearable Sensors ◽  
The Elderly ◽  
The Body ◽  
Risk Scores ◽  
Risk Of Falling ◽  
Radar Sensor ◽  
Timed Up And Go ◽  
Consumption Data ◽  
The One

Previously, studies reported that falls analysis is possible in the elderly, when using wearable sensors. However, these devices cannot be worn daily, as they need to be removed and recharged from time-to-time due to their energy consumption, data transfer, attachment to the body, etc. This study proposes to introduce a radar sensor, an unobtrusive technology, for risk of falling analysis and combine its performance with an instrumented insole. We evaluated our methods on datasets acquired during a Timed Up and Go (TUG) test where a stride length (SL) was computed by the insole using three approaches. Only the SL from the third approach was not statistically significant (p = 0.2083 > 0.05) compared to the one provided by the radar, revealing the importance of a sensor location on human body. While reducing the number of force sensors (FSR), the risk scores using an insole containing three FSRs and y-axis of acceleration were not significantly different (p > 0.05) compared to the combination of a single radar and two FSRs. We concluded that contactless TUG testing is feasible, and by supplementing the instrumented insole to the radar, more precise information could be available for the professionals to make accurate decision.

scholarly journals Smart Wearable Sensors Based on Triboelectric Nanogenerator for Personal Healthcare Monitoring

Micromachines ◽  
2021 ◽  
Vol 12 (4) ◽  
pp. 352
Author(s):  
Ruonan Li ◽  
Xuelian Wei ◽  
Jiahui Xu ◽  
Junhuan Chen ◽  
Bin Li ◽  
...  
Keyword(s):  
Medical Care ◽  
Health Monitoring ◽  
Wearable Sensors ◽  
The Elderly ◽  
The Body ◽  
Assessment System ◽  
Triboelectric Nanogenerator ◽  
Personal Healthcare ◽  
Healthcare Monitoring ◽  
Smart Wearable

Accurate monitoring of motion and sleep states is critical for human health assessment, especially for a healthy life, early diagnosis of diseases, and medical care. In this work, a smart wearable sensor (SWS) based on a dual-channel triboelectric nanogenerator was presented for a real-time health monitoring system. The SWS can be worn on wrists, ankles, shoes, or other parts of the body and cloth, converting mechanical triggers into electrical output. By analyzing these signals, the SWS can precisely and constantly monitor and distinguish various motion states, including stepping, walking, running, and jumping. Based on the SWS, a fall-down alarm system and a sleep quality assessment system were constructed to provide personal healthcare monitoring and alert family members or doctors via communication devices. It is important for the healthy growth of the young and special patient groups, as well as for the health monitoring and medical care of the elderly and recovered patients. This work aimed to broaden the paths for remote biological movement status analysis and provide diversified perspectives for true-time and long-term health monitoring, simultaneously.

scholarly journals Virtual Reality Gait Training to Promote Balance and Gait Among Older People: A Randomized Clinical Trial

Geriatrics ◽  
2020 ◽  
Vol 6 (1) ◽  
pp. 1
Author(s):  
Kyeongjin Lee
Keyword(s):  
Virtual Reality ◽  
The Elderly ◽  
Gait Training ◽  
Control Group ◽  
Timed Up And Go ◽  
Elderly Individuals ◽  
Functional Reach Test ◽  
Balance Ability ◽  
Standing Test ◽  
The One

Falls are the leading cause of injury and injury-related death in the elderly. This study evaluated the effect of virtual reality gait training (VRGT) with non-motorized treadmill on balance and gait ability of elderly individuals who had experienced a fall. Fifty-six elderly individuals living in local communities participated in this study. Subjects who met the selection criteria were randomly divided into a VRGT group (n = 28) and a control group (n = 28). The VRGT group received VRGT with non-motorized treadmill for 50 min a day for 4 weeks and 5 days a week. The control group received non-motorized treadmill gait training without virtual reality for the same amount of time as the VRGT group. Before and after the training, the one-leg-standing test, Berg Balance Scale, Functional Reach test, and Timed Up and Go test were used to assess balance ability, and the gait analyzer system was used to evaluate the improvement in gait spatiotemporal parameters. In the VRGT group, the balance ability variable showed a significant decrease in the one-leg-standing test and a significant improvement in the Timed Up and Go test. With respect to spatiotemporal gait parameters, velocity and step width decreased significantly in the VRGT group (p < 0.05), and stride length and step length were significantly improved in the VRGT group (p < 0.05). VRGT with non-motorized treadmill has been shown to improve balance and gait ability in the elderly. This study is expected to provide basic data on exercise programs for the elderly to prevent falls.

scholarly journals Multisensory integration involved in the body perception of community-dwelling older adults

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
M. Hide ◽  
Y. Ito ◽  
N. Kuroda ◽  
M. Kanda ◽  
W. Teramoto
Keyword(s):  
Older Adults ◽  
Multisensory Integration ◽  
Fall Risk ◽  
Community Dwelling ◽  
The Body ◽  
Risk Of Falling ◽  
Body Perception ◽  
Rubber Hand ◽  
Timed Up And Go ◽  
Community Dwelling Older Adults

AbstractThis study investigates how the multisensory integration in body perception changes with increasing age, and whether it is associated with older adults’ risk of falling. For this, the rubber hand illusion (RHI) and rubber foot illusion (RFI) were used. Twenty-eight community-dwelling older adults and 25 university students were recruited. They viewed a rubber hand or foot that was stimulated in synchrony or asynchrony with their own hidden hand or foot. The illusion was assessed by using a questionnaire, and measuring the proprioceptive drift and latency. The Timed Up and Go Test was used to classify the older adults into lower and higher fall-risk groups. No difference was observed in the RHI between the younger and older adults. However, several differences were observed in the RFI. Specifically, the older adults with a lower fall-risk hardly experienced the illusion, whereas those with a higher fall-risk experienced it with a shorter latency and no weaker than the younger adults. These results suggest that in older adults, the mechanism of multisensory integration for constructing body perception can change depending on the stimulated body parts, and that the risk of falling is associated with multisensory integration.

scholarly journals The real-time elderly fall posture identifying scheme with wearable sensors

2019 ◽  
Vol 15 (11) ◽  
pp. 155014771988561
Author(s):  
Tao Xu ◽  
Wei Sun ◽  
Shaowei Lu ◽  
Ke-ming Ma ◽  
Xiaoqiang Wang
Keyword(s):  
Activities Of Daily Living ◽  
Real Time ◽  
Daily Living ◽  
Wearable Sensors ◽  
Smart Phone ◽  
The Elderly ◽  
The Body ◽  
Short Message ◽  
Triaxial Accelerometer ◽  
Time Fall

The accidental fall is the major risk for elderly especially under unsupervised states. It is necessary to real-time monitor fall postures for elderly. This paper proposes the fall posture identifying scheme with wearable sensors including MPU6050 and flexible graphene/rubber. MPU6050 is located at the waist to monitor the attitude of the body with triaxial accelerometer and gyroscope. The graphene/rubber sensors are located at the knees to monitor the moving actions of the legs. A real-time fall postures identifying algorithm is proposed by the integration of triaxial accelerometer, tilt angles, and the bending angles from the graphene/rubber sensors. A volunteer is engaged to emulate elderly physical behaviors in performing four activities of daily living and six fall postures. Four basic fall down postures can be identified with MPU6050. Integrated with graphene/rubber sensors, two more fall postures are correctly identified by the proposed scheme. Test results show that the accuracy for activities of daily living detection is 93.5% and that for fall posture identifying is 90%. After the fall postures are identified, the proposed system transmits the fall posture to the smart phone carried by the elderly via Bluetooth. Finally, the posture and location are transmitted to the specified mobile phone by short message.

scholarly journals Assessment of the risk of falling with the use of timed up and go test in the elderly with lower extremity osteoarthritis

2015 ◽  
pp. 1289 ◽  
Author(s):  
Ewa Zasadzka ◽  
Adrianna Maria Borowicz ◽  
Mariola Pawlaczyk ◽  
Magdalena Roszak
Keyword(s):  
Lower Extremity ◽  
The Elderly ◽  
Risk Of Falling ◽  
Timed Up And Go

scholarly journals Epidemiological Study on the Dose–Effect Association between Physical Activity Volume and Body Composition of the Elderly in China

2020 ◽  
Vol 17 (17) ◽  
pp. 6365
Author(s):  
Xiao Hou ◽  
Zheng-Yan Tang ◽  
Yu Liu ◽  
Yu-Jie Liu ◽  
Jing-Min Liu
Keyword(s):  
Physical Activity ◽  
Body Composition ◽  
Short Form ◽  
The Elderly ◽  
The Body ◽  
Dose Effect ◽  
Cross Sectional ◽  
Old Adults ◽  
Significant Difference ◽  
The One

Purpose: The purpose of this study was to investigate Chinese old adults’ different body compositions in response to various levels of physical activity (PA). To the best of our knowledge, this is the first study to demonstrate the dose–response relationship between PA and body composition in old adults. Methods: 2664 participants older than 60 years (males: n = 984, females: n = 1680) were recruited for this cross-sectional health survey. PA was assessed by the short form of the International Physical Activity Questionnaire (IPAQ), and the body composition was measured by bioelectrical impedance analysis (BIA) instruments. The differences of separate body composition indices (lean body mass, LBM; bone mass, BM; and fat mass, FM) of older participants with different PA levels (below PA recommendation and over PA recommendation) were examined using the one-way analysis of variance (ANOVA). To compare the differences of three body composition indices with six different multiples of PA recommendation (0–1 REC, 1–2 REC, 2–4 REC, 4–6 REC, >6 REC), the one-way ANOVA and Turkey’s test was used for the post hoc analysis to identify the upper PA-benefit threshold in different indices of body composition. Results: The LBM and BM are significantly higher and the FM are significantly lower in old adults performing more PA volume than the WHO recommendation, compared with individuals performing less PA volume than the WHO recommendation. There were significant increases in LBM for males in “1–2 REC”, “2–4 REC”, and “>6 REC” groups, compared with the “0–1 REC” group; and there were significant increases in BM for males in “1–2 REC”, “2–4 REC”, compared with the “0–1 REC” group. The best PA volume for LBM and BM in females was the PA volume of “2–4 REC”. Additionally, whether males or females, there was no significant difference in FM between the “0–1 REC” group and other separate groups. Conclusion: The PA volume that causes best benefit for body composition of the elderly occurs at 1 to 2 times the recommended minimum PA for males, while it occurs at 2 to 4 times that recommended for females. No additional harms for old adults’ body composition occurs at six or more times the recommended minimum PA.

scholarly journals The risk for falls in older people in the context of objective functional studies

2015 ◽  
Vol 78 (3) ◽  
pp. 337-346 ◽  
Author(s):  
Zofia Ignasiak ◽  
Anna Skrzek ◽  
Sławomir Kozieł ◽  
Teresa Sławińska ◽  
Paweł Posłuszny ◽  
...  
Keyword(s):  
Bone Mineral Density ◽  
Older People ◽  
Bone Mineral ◽  
The Elderly ◽  
The Body ◽  
Knee Extensors ◽  
Total Risk ◽  
Mineral Density ◽  
Timed Up And Go ◽  
Objective Functional

AbstractFalls may occur in each ontogenesis phase, but they become more frequent in the elderly and lead to serious health consequences. Dynamic changes in senior citizens’ environment and lifestyle makes studies of risk for falls necessary. To determine the relationship between the risk for falls and the objective functional and structural examination in the elderly living in Poland. The research consisted of 196 females and 61 males aged 60-88 recruited from health clinics, senior citizen centers and Universities of the Third Age between 2009-2012. Following parameters were collected: functional physical tests “30 second Chair Stand Test” and Timed Up and Go Test”, the flexor muscles and knee extensors force, the bone mineral density was measured in distal radius of the forearm with the EXA - 3000, the total risk for fall assessed by 5 tests by abbreviated version of Fallscreen test. Multiple linear regression and linear correlation were used for assessment of relationship with total estimated risk for fall and other parameters. The subjects displayed significant dimorphic differences within the range of the functional parameters and bone mineral density to the advantage of males. Only in women results revealed a significant link between the risk for falls and the dynamic balance, as well as the maximum quadricep muscle force equal. Strength of the lower limb muscles seems to be critical for decreasing the risk for fall. Special programs for strengthening this part of the body for older people should be elaborate.

scholarly journals The Smart-Insole Dataset: Gait Analysis Using Wearable Sensors with a Focus on Elderly and Parkinson’s Patients

Sensors ◽  
2021 ◽  
Vol 21 (8) ◽  
pp. 2821
Author(s):  
Chariklia Chatzaki ◽  
Vasileios Skaramagkas ◽  
Nikolaos Tachos ◽  
Georgios Christodoulakis ◽  
Evangelia Maniadi ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Gait Analysis ◽  
Rating Scale ◽  
Wearable Sensors ◽  
The Elderly ◽  
Detection Algorithm ◽  
Timed Up And Go ◽  
Computer Scientists ◽  
Smart Insole

Gait analysis is crucial for the detection and management of various neurological and musculoskeletal disorders. The identification of gait events is valuable for enhancing gait analysis, developing accurate monitoring systems, and evaluating treatments for pathological gait. The aim of this work is to introduce the Smart-Insole Dataset to be used for the development and evaluation of computational methods focusing on gait analysis. Towards this objective, temporal and spatial characteristics of gait have been estimated as the first insight of pathology. The Smart-Insole dataset includes data derived from pressure sensor insoles, while 29 participants (healthy adults, elderly, Parkinson’s disease patients) performed two different sets of tests: The Walk Straight and Turn test, and a modified version of the Timed Up and Go test. A neurologist specialized in movement disorders evaluated the performance of the participants by rating four items of the MDS-Unified Parkinson’s Disease Rating Scale. The annotation of the dataset was performed by a team of experienced computer scientists, manually and using a gait event detection algorithm. The results evidence the discrimination between the different groups, and the verification of established assumptions regarding gait characteristics of the elderly and patients suffering from Parkinson’s disease.

scholarly journals THE DIFFERENCE IN THE LEVEL OF THE BODY BALANCE BETWEEN THE ELDERLY WHO DO GYMNASTICS WITH THOSE WHO DO NOT IN DAWAN DISTRICT

2019 ◽  
Vol 7 (2) ◽  
pp. 25
Author(s):  
Ni Putu Septiarini Yuana Putri ◽  
Putu Ayu Sita Saraswati ◽  
Ida Ayu Dewi Wiryanthini
Keyword(s):  
Research Design ◽  
Comparative Research ◽  
The Elderly ◽  
The Body ◽  
Risk Of Falling ◽  
Cross Sectional ◽  
Body Balance ◽  
Balance Exercises ◽  
Approach Method ◽  
The Difference

As getting older, a person will experience musculoskeletal weakness that will increase the risk of falling. Balance exercises to reduce the risk of falling is elderly gymnastics. The purpose of this study was to determine the difference in the level of body balance between elderly who did elderly gymnastics and those who did not in Dawan District. This research used observational analytic comparative research design with cross sectional approach method. The sample consisted of 44 people divided into two groups, the group of elderly who did gymnastics, and the group of elderly who did not do gymnastics at all. In the calculation of Mann Whitney-U showed that there was a difference in the body equilibrium rate between the elderly who didelderly gymnastics and those who did not with the value of p = 0,000 (p<0,05) in Dawan District.The conclusion of the study that there is a difference in the level of body balance between the elderly who did elderly gymnastics and those who did not in Dawan District. Keywords : Body Balance, Elderly, Elderly Gymnastics.

scholarly journals DETEKSI DINI RESIKO JATUH PADA LANSIA DI POSYANDU LANSIA KENTINGAN, KECAMATAN JEBRES, SURAKARTA

2020 ◽  
Vol 4 (2) ◽  
pp. 128
Author(s):  
Erika Dewi Noorratri ◽  
Ari Septi Mei Leni ◽  
Ipa Sari Kardi
Keyword(s):  
Early Detection ◽  
The Elderly ◽  
The Body ◽  
Risk Of Falling ◽  
Postural Control System ◽  
Early Fall ◽  
Falling Risk ◽  
The Right ◽  
Injury Falls ◽  
Elderly Living

Background :The falling risk is an event reported by a patient or family who sees an incident, which results in a person suddenly lying, sitting on the floor or lower place with or without loss of consciousness or injury. Falls can occurwhen the body’s postural, control system fails to detectshifting and not repositioning the center of gravity toward the body support at the right time.  In Indonesia, the elderly who live in communities experience an annual fall or around 30%. The incidence of falls in the elderly living in the community increased from 25% at the age 70 to 35% after being over 75 years old. One cause of the fall is a disturbance in the pattern of roads. Therefore it is necessary to practice early detection of the risk of falling in the elderly. Target and output 100% of extension participants consisting of the elderly can increase their knowledge and understanding of early detection training on the risk of falling on the elderly. Methods of conducting lectures and demonstrations or exercises. The result of the elderly can mention how to detect risk in the elderly and can do exercises to prevent falls. Conclusion elderly know how to detect the risk of early fall in the elderly. 

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