The purpose of this study is to investigate factors influencing the attitude and satisfaction with inventory management of hospitals. Data were collected from 344 employees in two hospitals located in Seoul and one hospital located in Choong-Chung Do, Korea, using a self-administered questionnaire. Items included in the self-administered questionnaire were hospital and socioeconomic characteristics of personnels such as the level of knowledge, practice, attitude, and satisfaction with inventory management of hospitals. Major findings were as follows; Job position was significantly associated with satisfaction with inventory management. According to age, sex, type of position and aptitude of personnel the level of positive attitude to and satisfaction with inventory management showed significant association. Generally, those who had higher level of knowledge and practice showed a higher tendency toward positive attitude of inventory management, except for those in medical support post. A higher tendency of satisfaction with inventory management was also observed, with the exception of personnel in nurse post. This study showed that major factors affecting attitude toward inventory management are level of knowledge and practice, and factors affecting satisfaction are job position and aptitude. The level of attitude and satisfaction explained by these factors were 46.8% and 12.2%, respectively. According to the results of this study, higher level of knowledge and practice, job position and aptitude appear to be essential for the implementation of effective inventory management. Factors affecting attitude and satisfaction of inventory management should be studied more in depth systematically so that other objective test and measurements can be developed.
Objective: The purpose of this study was to analyze the relationship between ground reaction force (GRF) and attack time according to the position of hand segments during counter attack in Kendo. Method: The participants consisted of 10 kendo athletes (mean age: $21.50{\pm}1.95yr$, mean height: $175.58{\pm}5.02cm$, mean body weight: $70.96{\pm}9.47kg$) who performed standard head strikes (A) and counter attack with a preferred hand position of +10 cm (B), 0 cm (C), and -10 cm (D). One force-plate (AMTI-OR-7., USA) was used to collect GRF data at a sample rate of 1,000 Hz. The variables analyzed were the attack time, medial-lateral GRF, anterior-posterior GRF (AP GRF), peak vertical force (PVF), and loading rate. Results: The total attack time was shorter in types A and C than in types C and D. The AP GRF, PVF, and loading rate had significantly higher forces in types C and D than in types A and C. The attack time (bilateral and unilateral leg support and total) was positively correlated with the GRF variables (vertical GRF and loading rate) during the counter attack in Kendo (r = 0.779 [$R^2=0.607$], p < 0.001). Conclusion: The positions of the hand segments can be changed by various conditions of the opponent in Kendo competitions; however, the position preferred by an individual can promote the successful ratio of the counter attack.
This study is to suggest versatile chair designs that are organically shaped to take individual orientation. This study intends to provide design method to ensure the face of the chair that contacts the body of its user is transformed flexibly to support the body. The movement of human body is not just a behavior but the ways and tools that reflexively express against external stimuli that are sensed and identified by the person. The versatile chair whose users' sitting position is fixed is made by covering the lump form with a piece of cloth ensuring that the content is firmly fixed and by placing the beads-woven wood fabric according to the shape. And then, it is covered with the external cover. The proposed versatile chair designs assume specific forms as follows: First, it is a versatile chair whose user's sitting position can fix. The organically-shaped form that can accept varying postures is made as a mass, which changes into different shapes when human body touches the form so that users can lie down or sit. Due to such transformation, body posture is determined and individual differences in shape changing are all acceptable. Second, it is a versatile chair that reflects the user's position in a fixed chair, where a cloth-wrapper feature is applied to the form a sifit wrapped postures so that a variety of body postures can be accepted. Finally, a versatile chair that reflects the user's position by changing the shape of is covered with forms so that it will be transformed and used in accordance with situations and chair shapes and reflect multiple shapes including round or square ones.
The purposes of this study were to examine the effect of two different pelvic alignments and the Valsalva maneuver on electromyographic (EMG) activity of the erector spinae during squat lifting and lowering, and to find an efficient method for squat lifting and lowering. Twenty hea1thy men in their twenties lifted and lowered loads using four different methods: 1) anterior pelvic tilt position with the Valsalva maneuver, 2) anterior pelvic tilt position without the Valsalva maneuver, 3) posterior pelvic tilt with the Valsalva maneuver, 4) posterior pelvic tilt without the Valsalva maneuver. The EMG activity of erector spinae was recorded during both lifting and lowering with each method. The EMG activity of each individual was normalized to EMG activity produced by muscle during maximal voluntary contraction. Two-way analysis of variance for repeated measures ($2{\times}2$) was used to analyze the effect of the two factors: 1) pelvic tilt position (anterior pelvic tilt, posterior pelvic tilt), 2) the Valsalva maneuver (with and without). Analysis was performed separately for the lifting and lowering. The results were as follows: 1) EMG activity of erector spinae was greater when the pelvis was tilted anteriorly than when the pelvis was tilted posteriorly during squat lifting and squat lowering. 2) There was no difference between EMG activity of erector spinae with the Valsalva maneuver and EMG activity of erector spinae without the Valsalva maneuver during squat lifting and squat lowering. These results suggest that the greater EMG activity of erector spinae with an anterior pelvic tilt position during squat lifting and squat lowering may ensure optimal muscular support for the spine while handling loads, but the Valsalva maneuver may have less effect on erector spinae.
Ha, SinHo;Jeong, SeYeon;Hong, SoungKyun;Choi, Wonjae;Lee, Kwangkook;Park, Donghwan;Son, SangJun;Shin, HyeonHui;Lee, GyuChang
Journal of Korean Physical Therapy Science
/
v.29
no.1
/
pp.41-46
/
2022
Background: The purpose of this study was to develop a sit-to-stand transfer assistive device, and to conduct a feasibility test. Design: A technical note. Methods and results: In this study, we developed a sit-to-stand transfer assistive device for the elderly and the disabled who have difficulty standing up independently from sitting positions. The sit-to-stand transfer assistive device allows the user to transfer the weight from a sitting position to a standing position while shifting the weight forward by grabbing and pulling a support stand. Ten healthy adults participated in the feasibility test of the device. Each participant used the developed sit-to-stand transfer assistive device and investigated supplementation through a brief interview. As a result of the feasibility test, the opinion was that the device could assist the sit-to-stand transfer to some extent. There were opinions that it needed a function to adjust the height of the knee protective plate in the sitting position according to the user's physical characteristics. Because of the inconvenience of operating the lock device for fixing the position and adjusting inclination, there was an opinion that the improvement for a locking device is needed. There were opinions that it would be better to reduce the size of the device due to its inconvenience of portability. Conclusion: In this study, we developed the sit-to-stand transfer assistive device for the elderly and the disabled who have difficulty standing up independently from sitting positions. In addition, it is considered that the upgrade of the device is necessary for the future since there are supplementary opinions on some points.
Compared with traditional full dentures, mandibular implant overdentures have the advantage in that good support and retention can be obtained even with two implants. When manufacturing a mandibular implant overdenture using two implants, it is important to place the implant in the correct position. The long-term prognosis of overdenture is good when two implants are placed in the direction vertical to the occlusal plane and parallel to each other at the canine position. However, it is difficult to place two implants in the correct position in edentulous patients, and if you use surgical guides in these cases, you can get help in placing the implants in a prosthetically advantageous position. This case, a 57-year-old male patient, came to our hospital with all upper and lower teeth removed due to periodontal disease. Therefore, the maxilla was restored with a traditional full denture and the mandible was restored with an implant overdenture using two implants, which resulted in satisfactory functional and esthetic results.
Journal of the Korea Society of Computer and Information
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v.19
no.1
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pp.157-168
/
2014
In general, there are three factors which compel employees to leave their position at a company: duties in organization, perception related to organization, and attitude built through the previous factors. The purpose of this study is to investigate the influence of the factors on the turnover intention and the decreasing achievement affected by the turnover. For this study, the perceived organizational support and organization commitment were chosen as worker's attitude variables which affects turnover intention. The results through the actual analysis are as follows: 1. Worker's emotional commitment is on the increase when the organization values their increased efforts as precious and makes efforts to improve welfare system. 2. Worker's turnover intention decreases as the stronger emotional commitment enables them to gain more consciousness to stay longer at the company. 3. The worker who possesses stronger lasting commitment tends to have some inclination to leave his current position if other organization offers compensation enough to make up for the current investment. 4. Worker's turnover intention decreases when they perceive that the organization acknowledges employees' value and supports them. 5. Worker's turnover intention at the small-middle sized companies is higher than at major companies. In this study, four out of five hypotheses, which are based on theoretical examinations and backgrounds, gain verified results. In the end, it is showed that the perceived organization support can increase the emotional commitment which makes it possible to decrease turnover intention. Consequently, it can be said that the appropriate human resources management is to explore the ways to decrease worker's turnover intention by improving labor environment and searching for the way to promote worker's commitment to their organization through the perceived organization supports.
Journal of the Korean Crystal Growth and Crystal Technology
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v.4
no.1
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pp.33-41
/
1994
It is well known that the position and the shape of the S/L interface affect the qualities of the single crystal in the growth process. Thus the information of the temperature profile in the growth system is very important. In this study, we developed the program to predict the temperature profile from the setting values of the heating blocks in VGF(vertical gradient freezing) single crystal growth system. With this program, we studied the effects of the materials and the sizes of support rod, the materials of the crucible on the S/L interface shape. The larger radius and/or smaller thermal diffusivity support rod was, the flatter the S/L interface was. When the thermal conductivity of crucible was isotropic, the S/L interface was more concave downward to the solid phase in proportional to the increase of thermal diffusivity of the crucible. By the comparison of the S/L interface shape between PBN crucible and quartz crucible for the same condition, the effect of anisotropy of thermal conductivity of crucible showed different trends with respect to the position of the S/L interface.
This study was to analysis three dimension angle of the upper extremity segment and trunk to putting the protector in women bowlers. For this study, the subjects selected 4 players of national and university team. All subjects putted in the same wrist support to satisfy the experiment conditions. To get three dimensions position coordination of swing motion used for 6 ProReflex MCU 240 camera produced by Qualisys. After position coordination calculation, Three dimension angle of the trunk and the upper extremity segment calculated for Matlab 6.5. the result is following; In the trunk motion, there were little differences among the subjects in a flexion and extension change. There were a lot of differences in motion change of the abduction-adduction and internal-external rotation, but the motion types translated to the adduction-abduction-adduction and from the internal rotation toward the external rotation. In the upper arm segment the Flexion and extension showed a consistent motion in the down swing and up swing phase. And the motion change of abduction-adduction and pronation-supination showed a abduction-adduction-abduction and pronation-supination change during swing phase. In the forearm segment changes, it showed a lot of differences among the subjects and a similar change with the upper arm segment. Especially, the hand segment showed a supination motion from the backswing apex to release phase, but for increasing a rotation velocity of ball, the hand segment translated toward pronation in follow throw phase.
Proceedings of the Plant Resources Society of Korea Conference
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2011.10a
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pp.15-15
/
2011
Vietnam is one of a country with an important strategic position in economic development in the Asia Pacific region. In addition, Vietnam has a longtime agricultural more than 70% of agricultural labor. With favorable natural conditions, agricultural growth in Vietnam is'key'to the developing countries. However, Vietnam's agriculture has still encounter many problems due to drought, climatic conditions, natural disasters. The level of development and agricultural production is weak, the process of post-harvest storage is limited and particularly agricultural competitiveness with other countries is obstacles. In fact, the Government of Vietnam decided to cooperate with other countries have highly developed agriculture such as America, Korea, Japan... hoping to get help and promote agricultural development in a sustainable manner. Since 1992, Vietnam and Korea established formal diplomatic relations. During 20 years of cooperation and development, We have been obtained many satisfactory results not only in fields invest infrastructure, technological science but also exchange experience especially in the agricultural sector. From the Korea ODA project, Vietnam's agriculture in general has made significant progress. With vision, ODA projects continues to support the Central Highlands region in which the Da Lat city, Lam Dong province. Pass the cooperation between Dongguk University and Da Lat University has many positive results. Hopefully in the near future, the relationship between Vietnam and Korea in general will continue to grow strongly, the Korea ODA project will be continue to support Vietnam's agriculture in general and in particularly for the Central Highlands which in Da Lat City, Lam Dong province.
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