• 한국운동역학회지
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• 제31권4호
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• pp.227-233
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• 2021

Objective: The purpose of this study was to in this study. The maximum grip force of the elderly hand was measured using a custom-designed grasping apparatus mounted with five three-component force transducers. The Jebsen-Tayler hand function test and Purdue Pegboard test were performed to evaluate the dexterity of the hand. Method: Twenty-six elderly women participated in the left hand between the maximum grip force and the Jebsen-Taylor hand function test results (r=-.513, p=.007). A significant correlation was also shown in the hand maximum grip force and the hand Purdue Pegboard results (r=.514, p=.007). However, no significant correlation was found in the right hand. Results: We found a significant correlation investigate the relationship between hand grip strength and hand dexterity in the elderly. Conclusion: Our findings in the current study support the theory of 'Strength-dexterity complementariness' which states that improvement in dexterity is associated with the grip force strength.

• 대한수학회지
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• 제35권2호
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• pp.259-268
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• 1998

In this paper the stochastic multiple objective programming problems where the right-hand-side of the constraints is stochastic are considered. We define the equivalent scalar-valued problem and study the stability of the equivalent scalar-valued problem with respect to the weight parameters and probability mesures under reasonable assumptions.

• The International Journal of Costume Culture
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• 제8권1호
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• pp.23-31
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• 2005

Mechanical properties and hand evaluation of wool/acrylic(W/A) blend knits were conducted before and after repeated washing to get the optimum W/A blending ratio, which could help achieve the optimum mechanical and hand properties of the knits. The five test fabrics using the yarns with different W/A blending ratios($\%$), 100/0, 70/30, 50/50, 30/70, 0/100, were knitted. The fabrics were washed by a rotating drum type washing machine. Then, objective mechanical and hand properties were evaluated by KES-FB, Kawabata evalution system for fabric. The results are as follows: there was no change in the hand value of the knitted fabric with the W/A-blended yarn caused by the change in the blending ratio before washing. After washing, however, the increase of acrylic's blending rate caused the bending property to decrease proportionally, while the friction coefficient of the surface property increased. Furthermore, the study showed that W/A 50/50 possesses the most superior tensile property and shearing property, which could attain the optimum blending ratio. Similar results in hand value were derived in all the samples. After washing, however, the increase in acrylic's blending rate caused a proportional decrease in KOSHI and an increase in FUKURAMI. In addition, W/A 50/50 gained the biggest NUMERI value, again corresponding to the optimum blending ratio. Similar results in total hand value were derived in all the samples before washing. After washing, though, all the total hand values decreased, and, as the wool fabric's blending rate increased, the total hand values proportionally decreased further.

• 대한인간공학회지
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• 제22권2호
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• pp.29-44
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• 2003

A variety of research has been conducted on anthropometric dimensions and their applications to various products and space architecture, Also robust research has been conducted on various parts of human body and the possibility of applications. However, research on the specific dimensions regarding fingers and characteristics of hands have rarely been conducted in Korea. In addition, except for the NASA Anthropometric Source Book that suggests measures for specific purposes such as gloves and hand-operated device, almost no literature can be found on this topic, The primary objective of this study was thus to provide anthropometric dimensions of Korean hands and fingers and recommend appropriate product design solutions for human hands. Six hundred Korean male and female subjects aging from 11 to 93 were selected, Thirteen different hands and fingers were measured along with demographic data(e.g., age, stature, weight} to determine the relationships among these obtained data, The results of this study should be considered in ergonomic design for every hand-used products and hand-operated control devices.

• 기본간호학회지
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• 제24권4호
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• pp.243-254
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• 2017

Purpose: The purpose of this study was to determine the prevalence, severity and quality of life for nurses with hand dermatitis who want to take advantage of measures to manage their hand dermatitis. Methods: Participants in this research were 422 nurses with clinical experience of more than 12 months. Data were collected using a diagnostic tool for hand dermatitis, subjective severity and objective severity. The skin related quality of life was measured using the Korean version of Skindex-29. Data were analyzed using $x^2$ tests, t-test, and ANOVAs with SPSS 20.0. Results: The prevalence of hand dermatitis among the respondents was 56.9% (240/422). Nurses with hand dermatitis had significantly lower quality of life than nurses with no hand dermatitis. The more severe the hand dermatitis, the lower the quality of life was. Conclusion: The finding in this study indicate that there is a need to improve the health of nurses by lowering the prevalence of hand dermatitis, alleviating the severity of hand dermatitis and improving the quality of life.

• Physical Therapy Rehabilitation Science
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• 제12권1호
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• pp.72-79
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• 2023

Objective: Despite known associations between negative body image and health declines in chronic pain patients, few studies have examined longitudinal associations between psychological stress and perceived hand deformities. This study examined whether psychological distress was associated with hand deformities 4 years later and if rural and urban adults differed in the association. Design: A community-based cohort study. Methods: Community dwelling adults (mean age=51.97, 52.3% women) in a rural (n=2968) and urban area (n=2784) provided demographic data at baseline and, in the 4-year follow-up, responded to questionnaires about psychological distress. Perceived hand deformities were assessed at the 8-year follow-up. Linear regression was conducted to examine the effects of psychological distress on hand deformities and moderation by residential areas. Results: The perceived hand deformities were more likely among those with severe psychological stress, hand osteoarthritis, or any chronic disease condition (p<0.01) but less likely among those with younger age, higher education, or income (p<0.01). The regression results showed that psychological distress predicted more perceived hand deformities 4 years later even after adjusting for demographic and health covariates (p<0.01). The residential areas did not significantly moderate the association between distress and hand deformities. Conclusions: This study suggected that psychological distress may trigger later perception of hand deformities in both urband and rural adults. The findings indicate that stress management interventions that are customizable to regional contexts may be effective at preventing negative body image related health problems of community-dewelling adults.

• 성인간호학회지
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• 제15권4호
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• pp.520-530
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• 2003

Purpose: The objective of the study was to identify the effects of the meridian massage therapy on hand edema and hand functions in patients with hemiplegia. Method: The experiment was conducted in the Oriental Medical ward of "K" hospital during the period of 2000. 12. 15 - 2001. 03. 15. Fifty five subjects with hemiplegia following a stroke participated in the study. Volumetric size of the hand and the circumference of the index finger of each patient was measured and functional points were recorded for pre and post experiment. Result: 1. Apparent decrease in volumetric size of the hand and the circumference of the index finger(p=.022. p=.021), and higher functional points(p=.003) in the experimental group in comparison to the control group. 2.Volume of hands & their functions appeared to be irrelevant(r=-.195, p=.154). 3. Circumference of the index finger & their functions also turned out to be irrelevant (r=-.110, p=.424). Conclusion: Meridian massage is an effective nursing interventional therapy to relieve hand edema and improve hand functions in hemiplegic patients and has great potential for use in a wide range of medical fields as an efficient supplementary treatment for stroke rehabilitation.

• 대한인간공학회지
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• 제17권2호
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• pp.1-10
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• 1998

The objective of this study is to investigate hwnan operator's perceptual and psychophysical responses to vibrotactile stimulation on various parts of the hand. Using a small vibrotactile display, five different loci of the hand along with two other mechanical parameters consisting vibrotactile stimulations, which are vibration frequency and number of active contactors, were examined for the effects on absolute thresholds. All test variables were found to have significant effects on thresholds. It was observed that absolute threshold is a function of vibration frequency and number of active contactors. Tactile sensitivity was the greatest at the vibration frequency of 240 Hz, and the fingertip was found to be the most sensitive locus on the hand. The area of stimulation on the hand was also found to be significant in that the sensitivity increased with the number of active contactors. The results of the study generally supported those of other previous studies. It should also be noted, however, that the conclusions from the study should be limited to the absolute sensitivity, not to the suprathreshold intensities of normal everyday contact with the hands.

• 대한인간공학회지
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• 제31권4호
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• pp.541-550
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• 2012

Objective: The aim of this study is to suggest a notation method for three-dimensional hand gesture. Background: To match intuitive gestures with commands of products, various studies have tried to derive gestures from users. In this case, various gestures for a command are derived due to various users' experience. Thus, organizing the gestures systematically and identifying similar pattern of them have become one of important issues. Method: Related studies about gesture taxonomy and notating sign language were investigated. Results: Through the literature review, a total of five elements of static gesture were selected, and a total of three forms of dynamic gesture were identified. Also temporal variability(reputation) was additionally selected. Conclusion: A notation method which follows a combination sequence of the gesture elements was suggested. Application: A notation method for three dimensional hand gestures might be used to describe and organize the user-defined gesture systematically.

• 한국의류학회지
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• 제23권2호
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• pp.220-229
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• 1999

The subjective hand and preference of alkaline hydrolized polyester fabrics were evaluated using the scale developed. The factors affecting consumer's taste for polyester fabrics was analyzed by the statistical technique. The effects of alkaline hydrolysis on the properties of polyester fabrics were evaluated by subjective and objective hand measurements. The lower the age the more senstive their feeling. As the age of evaluators decreased they felt fabrics light flexible refined thin flossy smooth fine soft more clinging. They also thought fabrics are colder, more flexible more spongy as the age increased. Experts were more sensitive and consistent when they evaluation the hand of fabrics than non-experts.