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The purpose of this study is to evaluate, through analysis, the ability of older persons to retrieve items from kitchen cabinets. To achieve this goal, data were collected from 128 valid questionnaires and supplemented with field research and user interviews. The study revealed that the elderly's behavior in retrieving items from kitchen spaces is characterized by both high frequency and difficulty. For this experiment, a total of 42 participants, comprising 21 males and 21 females from the self-care elderly population in the Yangtze River Delta region, were recruited. Two different experimental settings were arranged: one with kitchen utensils arranged in a straight line and another with a purpose-made chest of drawers with varying heights. Video recordings using the Logitech C930C were utilized to capture the gestures and behaviors of the elderly while retrieving objects from the kitchen cupboards (cabinets). By employing a combination of the OpenPose model and the Rapid Entire Body Assessment (REBA) method, which involves calculating human posture angles, REBA scores, and determining the risk level of Work-Related Musculoskeletal Disorders (WMSDs), a risk assessment framework for manual operations associated with WMSDs was developed. Using the angle data acquired from the user operation experiment as parameters, a gradient model of the elderly user's operational capability was established. The findings indicated a significant impact of neck, trunk, and knee movements on the subjects (P < 0.001). The participants were able to distinguish between different levels of exertion, categorizing movements as 'easy', 'moderate,' or 'strenuous.' These results form the basis for a comfort gradient model for leaning over and retrieving items. Given the prevalent conditions of bone and joint degeneration and osteoporosis among the elderly population, it is evident that they face challenges when accessing items in the kitchen. Therefore, investigating the elderly's execution abilities during the retrieval process becomes crucial. Understanding how different cabinet heights impact the joint angles of the elderly can be instrumental in optimizing cabinet designs for elderly users, thereby reducing their physical exertion in the kitchen and enhancing their comfort levels. This research holds significant value in improving the quality of life for the elderly population at home and fostering the advancement of elderly-friendly design principles.
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http://dx.doi.org/10.1038/s41598-024-75470-6 | DOI Listing |
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Department of Orthopaedic Trauma, China-Japan Friendship Hospital, Yinghua East Street, Chaoyang District, Beijing, China.
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View Article and Find Full Text PDFInt J Audiol
December 2024
Department of Psychology, Toronto Metropolitan University, Toronto, ON, Canada.
Objective: Hearing decline in ageing increases the risk of loneliness and social isolation. This correlation is most often observed when hearing is measured by subjective self-report, and less often for objectively measured speech listening ability, raising questions about differences between self-assessments and behavioural performance. This study compared self-reported hearing ability and objective speech-in-noise performance as predictors of loneliness and social isolation in adults older than 60.
View Article and Find Full Text PDFExpert Rev Respir Med
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Department of Practice, Sciences, and Health Outcomes Research, University of Maryland School of Pharmacy, Baltimore, MD, USA.
Background: Two long-acting muscarinic antagonist inhaler fixed dose combinations (olodaterol/tiotropium (OLO/TIO) and vilanterol/umeclidinium (VI/UMEC)) have once-a-day dosing for managing chronic obstructive pulmonary disease (COPD). This study aimed to compare clinical effectiveness of these inhalers in terms of ability to prevent severe COPD exacerbations in a United States Medicare population.
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Brain Behav Immun Health
February 2025
Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany.
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View Article and Find Full Text PDFBMC Geriatr
December 2024
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Background: Population aging presents a significant challenge that requires comprehensive planning. Limited research has been done on the interconnections between happiness, sleep, and self-care in older adults. This study aimed to determine the Happiness, Sleep quality, and Self-care ability among community-dwelling older adults in Tehran, 2023.
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