Introduction: The use of dual-task model such as dual-task gait has been extensively studied to assess cognitive-motor performance among older adults. However, space restriction and safety factor limit its applications in remote assessment. To address the gap, we propose a video processing-based approach to remotely quantify cognitive-motor performance using a 20-s repetitive elbow flexion-extension test with dual-task condition, called video-based motoric-cognitive meter (MCM).
Methods: Eighteen older participants (age: 78.6 ± 6.5 years) who were clinically diagnosed as having either mild cognitive impairment or dementia were included in this study. Participants were asked to perform 20-s repetitive elbow flexion-extension exercise with a memory exercise by counting backward from a two-digit number. During the test, all movements of the forearm were recorded by a video camera. As a comparator, a validated wrist-worn sensor was used, which allowed quantifying upper extremity kinematics.
Results: The results showed a good agreement (r ≥ 0.530 and ICC2,1 ≥ 0.681) between the derived dual-task upper extremity motor performance from the proposed video-based MCM and a clinically validated sensor-based MCM. We also observed moderate correlations (r ≥ 0.496) between some measures of video-based MCM (flexion time, extension time, and flexion-extension time) and clinical cognitive scale (Mini-Mental State Examination [MMSE]). Additionally, some measures of dual-task upper extremity motor performance (speed, flexion time, extension time, and flexion-extension time) were associated with dual-task gait speed (r ≥ 0.557), which has been found to be correlated with cognitive impairment. Lastly, the selected dual-task motor performance metric (flexion time) was sensitive to predict MMSE scores in linear regression analyses with statistical significance (adjusted R2 = 0.306, p = 0.025).
Conclusion: This study proposes a video processing-based approach to analyze dual-task upper extremity motor performance from a simple and convenient upper extremity function test. The results indicate concurrent validity of the proposed video-based MCM compared with the sensor-based MCM, and associations between dual-task upper extremity motor performance and clinically validated cognitive markers (MMSE scores and dual-task gait). Future studies are warranted to explore sensitivity of this solution to promote remote assessment of cognitive-motor performance among older adults in telehealth applications.
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http://dx.doi.org/10.1159/000528853 | DOI Listing |
Zhonghua Xin Xue Guan Bing Za Zhi
January 2025
Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang330006, China.
To compare the impact of manual right arm blood pressure measurement with computer-controlled blood pressure meter (CCBPM) on the detection rate of hypertension among elderly individuals. This was a cross-sectional study. Elderly residents undergoing routine health check-up in a village in Jiangxi Province from April to June 2024 were enrolled.
View Article and Find Full Text PDFJ Mot Behav
January 2025
Department of Physical Therapy, Stanley Steyer School of Health Professions, Faculty of Medical & Health Sciences, Tel Aviv University, Tel Aviv, Israel.
Adopting a postural configuration may be regarded as preparation for the performance of an upcoming movement. However, it is unclear how different postural configurations affect motor performance. The aim of the current study was to examine how body posture - sitting versus standing - influences fast and accurate planar point-to-point hand movements.
View Article and Find Full Text PDFPLoS Negl Trop Dis
January 2025
International Centre for Eye Health, Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom.
Background: We aimed to determine the household distribution and viability of Chlamydia trachomatis (Ct) from the eyes, face, and hands during the initial two visits of a year-long fortnightly cohort study in geographically defined adjacent households.
Methods/findings: We enrolled 298 individuals from 68 neighbouring households in Shashemene Woreda, Oromia, Ethiopia. All individuals above 2 years of age residing in these households were examined for signs of trachoma.
J Am Acad Orthop Surg
January 2025
From the Israel Defense Forces, Medical Corps, Kiryat Ono (Shapira, and Epstein), the Faculty of Medicine, The Hebrew University, Jerusalem (Shapira), the Sheba Medical Center, Tel Hashomer, Ramat Gan (Shapira), the Israel National Center for Trauma and Emergency Medicine Research, Gertner Institute of Epidemiology and Health Policy Research, Sheba Medical Center, Ramat Gan (Goldman, Givon, and Katorza), the Arrow Program for Medical Research Education, Chaim Sheba Medical Center, Tel-Hashomer, Ramat Gan (Katorza), the Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv (Katorza, Dudkiewicz, and Prat), the Rehabilitation Division, Sheba Medical Center, Tel Hashomer, Ramat Gan (Dudkiewicz), the Critical Care Division, Rambam Health Care Campus, Haifa (Epstein), the Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa (Epstein), and the Department of Orthopaedic Surgery, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel (Prat).
Background: In modern conflicts, extremities are mainly affected, with limb amputations required for approximately 5% of severely injured combatants and 7% of those with serious limb injuries. Amputations are some of the most challenging injuries endured by survivors, significantly affecting the patients and the healthcare system. This study aims to describe the rates, characteristics, and risk factors of limb amputations in patients with serious extremity trauma during the 2023 conflict in Israel.
View Article and Find Full Text PDFActa Orthop
January 2025
Department of Orthopedic Surgery, Aarhus University Hospital, Aarhus, Denmark.
Background And Purpose: Vascularized fibular grafting following tumor resection is an essential treatment option in limb salvage surgery. We aimed to evaluate: (I) bone healing, (II) complications and reoperations, (III) limb salvage, and (IV) survival.
Methods: We present a retrospective evaluation of a national cohort comprising 27 patients.
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