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Sensor Technologies for Mobility in Aging: Development, Validation and Application

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Wearables".

Deadline for manuscript submissions: 10 May 2026 | Viewed by 1176

Special Issue Editors


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Guest Editor
Department of Electrical and Computer Engineering, Binghamton University, State University of New York, 4400 Vestal Parkway East, Binghamton, NY 13902, USA
Interests: sensors; IoT; virtual mimic

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Guest Editor
Decker College of Nursing and Health Sciences, Binghamton University, State University of New York, Binghamton, NY 13902, USA
Interests: evidence-based fall exercise interventions for older adults using reactive balance training; Geriatric physical therapy; fall intervention; gait and balance dysfunction in older adults; mobility issues in older adults

Special Issue Information

Dear Colleagues,

Preserving physical functions (i.e., mobility) in older adults is a key area of focus within the Geriatric 5Ms care model. Mobility issues not only limit full participation in life but may also lead to severe consequences such as falls. Although sensor-based technologies have been applied in gait and balance assessment and fall detection/interventions in older adults, there is a need for readily accessible, user-friendly technologies with outputs/interfaces that users understand and want to use. In this Special Issue, we will focus on wearable/portable technologies that seamlessly integrate with artificial intelligence (AI) and the Internet of Things (IoT) to advance mobility monitoring and intervention in older adults. These technologies are intended to not only capture real-time data on gait, balance, and physical activity but also translate complex sensor signals into meaningful, actionable insights for users, caregivers, and clinicians. By emphasizing user-friendly design, interoperability across healthcare platforms, and personalization of feedback, such systems can improve adherence, enhance early detection of mobility decline, and support proactive interventions. Three categories of submissions are specifically welcomed: (1) development of technology with the features mentioned above; (2) validation of technology against equipment used in clinic/hospital settings; (3) clinical applications of these technologies.

Dr. Anwar Elhadad
Dr. Woei-Nan Bair
Guest Editors

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Keywords

  • biosensors
  • biomedical sensors
  • wearable sensors, devices, and electronics
  • human–computer interaction
  • AI-enabled sensors
  • aging
  • frailty
  • gait
  • falls

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Published Papers (2 papers)

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Research

22 pages, 2044 KB  
Article
Vertex: A Semantic Graph-Based Indoor Navigation System with Vision-Language Landmark Verification
by Isabel Ferri-Molla, Dena Bazazian, Marius N. Varga, Jordi Linares-Pellicer and Joan Albert Silvestre-Cerdà
Sensors 2026, 26(7), 2031; https://doi.org/10.3390/s26072031 - 24 Mar 2026
Viewed by 404
Abstract
Older adults often need guidance when visiting new buildings for the first time. However, indoor navigation remains challenging due to the lack of Global Positioning System (GPS) availability, visually repetitive corridors, and frequent location failures. This article presents a multimodal indoor navigation assistant [...] Read more.
Older adults often need guidance when visiting new buildings for the first time. However, indoor navigation remains challenging due to the lack of Global Positioning System (GPS) availability, visually repetitive corridors, and frequent location failures. This article presents a multimodal indoor navigation assistant that combines graph-based route planning with visual landmark verification to provide step-by-step guidance. The environment is modelled as a directed graph whose nodes are annotated with semantic landmarks, and the graph is constructed primarily from a video of the building, reducing the need for 3D scanners, beacons, or other specialised instruments. Routes are calculated using Dijkstra’s shortest-path algorithm over the semantic graph. During navigation, camera frames are analysed using a restricted vision-language recognition strategy that only considers candidate landmarks from the current and next nodes, reducing false detections and improving interpretability. To increase robustness, a temporary voting mechanism was introduced to confirm node transitions, as well as a hierarchical redirection strategy with local and global recovery. The system is implemented in two modes: handheld mode with visual cues using augmented reality arrows, mini map and voice instructions, and hands-free mode with front camera using voice instructions and keywords. Evaluation involved preliminary technical testing in the United Kingdom followed by formal user validation in Spain. During these trials, participants reported high usability, strong confidence and safety, and increased perceived independence. Full article
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19 pages, 4638 KB  
Article
A Training System for Human Standing Stability Using Virtual Viscosity Fields
by Hayato Mikami, Keisuke Shima, Tianyi Wang, Haruto Kai and Koji Shimatani
Sensors 2026, 26(6), 1985; https://doi.org/10.3390/s26061985 - 22 Mar 2026
Viewed by 420
Abstract
Enhancement of postural stability in standing is essential for fall prevention in the context of demographic aging. Against such a background, this study proposes a personalized training system based on individual limits of stability (LOS) for a human standing state. The system evaluates [...] Read more.
Enhancement of postural stability in standing is essential for fall prevention in the context of demographic aging. Against such a background, this study proposes a personalized training system based on individual limits of stability (LOS) for a human standing state. The system evaluates LOS in eight directions using center-of-mass (COM) and center-of-pressure (COP) measurement devices and provides game-based feedback, then promotes balance within the relevant LOS parameters. Loading is individualized by applying greater force to virtual objects as the COP approaches the LOS determined for each subject. Experiments with 32 younger and 19 mature subjects produced evaluations for postural stability index (IPS), LOS area, and COP sway. The results revealed two distinct response patterns: LOS expansion and sway reduction, both observed across younger and mature cohorts. These findings suggest that individualized LOS-based training can be applied to improve standing stability with two distinct strategies. These preliminary findings suggest that individualized LOS-based training is associated with changes in standing stability through two distinct response patterns. Full article
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