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        검색결과 111

        1.
        2023.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Background: There is a lack of research on sling neurac exercise interventions for craniovertebral angle (CVA), head rotation angle, range of motion (ROM), and neck postural alignment in adults with forward head posture Objectives: To investigate the Immediate effects of sling neurac exercise on craniosacral angulation, ROM, and neck postural alignment in adults with forward head posture. Design: Quaxi-experimental study. Methods: Fifty young adults in their 20s were divided into a sling neurac exercise group (SNEG) and a control group (CG). SNEG conducted sling neurac exercise intervention for one day, and CG did not implement intervention. Craniosacral angulation, ROM, and postural alignment before and after exercise was evaluated for each group. Results: In the sling neurac exercise group (SNEG), CVA, cranial rotation angle (CRA), ROM, and postural alignment improved significantly after intervention (all P<.01). There were no significant differences in the control group (CG) (all P>.05). After the intervention, there were significant differences between the groups in craniosacral angulation, ROM, and postural alignment (all P<.01). Conclusion: The Sling neurac exercise can significantly improve CVA, CRA, ROM, and postural alignment. Therefore, it is suggested to consider sling neurac exercise as an intervention.
        4,000원
        6.
        2023.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Background: ErigoPro enables acute stroke patients to carry out stable weight-bearing training with gradual verticalization. Study on the effectiveness of robotic assisted treatment equipment for chronic patients is insufficient. Objectives: This study aims to investigate the effect of dynamic vertical posture training using ErigoPro on trunk alignment and balance in chronic stroke patients. Design: Randomized controlled trial. Methods: The subjects of this study were 30 patients were randomly assigned to a study group of 15 patients and a control group of 15 patients. The study intervention was carried out for 50 minutes per day consisting of 30 minutes of general neuro-physiotherapy and 20 minutes of ErogoPro training, 3 times a week for 8 weeks. Results: The study group showed difference in trunk inclination (P<.05), kyphotic angle (P<.05), lateral deviation of the spine (P<.05), thoracic angle (P<.01), timed up and go test (P<.01), Berg balance score (P<.01). There was a significant difference between the groups in the trunk inclination (P<.05), timed up and go test (P<.01), Berg balance score (P<.05). Conclusion: It could be seen that the treatment combined with ErigoPro training for 8 weeks was effective in restoring trunk alignment and improving balance ability in chronic stroke patients.
        4,000원
        7.
        2023.07 구독 인증기관·개인회원 무료
        Group identities, also known as social identities, have been established as measurable, stable, and behaviorally relevant constructs in marketing, psychology, and political science. According to research in political psychology, shared in-group identities can increase a voter’s support for an in-group political candidate.
        10.
        2022.11 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Background: Pilates exercises are used for body shape correction because they can achieve correct posture alignment through spinal stabilization. Objects: This study aimed to determine whether the use of reformers increases the effectiveness of Pilates core exercises on body alignment in standing. Methods: The study included 30 women without known diagnoses of musculoskeletal and neurological disorders or cancer. Those who had taken more than 10 Pilates lessons were excluded. The participants were randomly assigned to either the reformer exercise group or the mat exercise group, and interventional Pilates exercises were performed for 60 minutes a day, three times a week, for a total of 8 weeks. Ten movements of the reformer and mat Pilates core exercise programs were included. Exbody® 9100 MOMI musculoskeletal analysis equipment (Exbody Inc.) was used to assess the alignment of the standing posture in the frontal plane. Results: As a result of comparing the differences within and between the groups before and after the intervention using the two-way mixed analysis of variance test, height differences in the head, pelvis, left and right, shoulders, scapulas, knees, and ankles in the frontal plane after the intervention were found in both groups. For example, the left-right symmetry of the body alignment in the standing posture was significantly improved within each group (p < 0.05). However, no significant difference was found between the groups (p > 0.05). Conclusion: Both the reformer and mat Pilates core exercises were effective for standing posture alignment, which has clinical significance. If an exercise program is developed based on the analysis of movements necessary for posture improvement and the target muscles to be strengthened, the same effect can be achieved only with mat exercise without using the reformer equipment at the beginner stage.
        4,000원
        11.
        2022.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Thermal management is significant to maintain the reliability and durability of electronic devices. Heat can be dissipated using thermal interface materials (TIMs) comprised of thermally conductive polymers and fillers. Furthermore, it is important to enhance the thermal conductivity of TIMs through the formation of a heat transfer pathway. This paper reports a polymer composite containing vertically aligned electrochemically exfoliated graphite (EEG). We modify the EEG via edge selective oxidation to decorate the surface with iron oxides and enhance the dispersibility of EEG in polymer resin. During the heat treatment and curing process, a magnetic field is applied to the polymer composites to align the iron oxide decorated EEG. The resulting polymer composite containing 25 wt% of filler has a remarkable thermal conductivity of 1.10 W m− 1 K− 1 after magnetic orientation. These results demonstrate that TIM can be designed with a small amount of filler by magnetic alignment to form an efficient heat transfer pathway.
        4,000원
        14.
        2022.06 KCI 등재 SCOPUS 구독 인증기관 무료, 개인회원 유료
        Metal halide perovskite (MHP) nanocrystals (NCs) have emerged as promising materials for various optoelectronic applications including photovoltaics, light-emitting devices, and photodetectors because of their high absorption coefficient, high diffusion length, and photoluminescence quantum yield. However, understanding the morphological evolution of the MHP NCs as well as their controlled assembly into optoelectronic devices is still challenging and will require further investigation of the colloidal chemistry. In this study, we found that the amount of n-octylamine (the capping agent) plays a crucial role in inducing further growth of the MHP NCs into one-dimensional nanowires during the aging process. In addition, we demonstrate that the dielectrophoresis process can permit self-alignment of the MHP nanowires with uniform distribution and orientation on interdigitated electrodes. A strong light-matter interaction in the MHP NWs array was observed under UV illumination, indicating the photo-induced activation of their luminescence and electrical current in the self-aligned MHP nanowire arrays.
        4,000원
        15.
        2022.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 논문은 강대국 경쟁 하에서 약소국들의 동맹 전략의 차이는 어디에 서 발생하는가에 대한 해답을 추구한다. 기존 국제정치 이론은 약소국들 의 자율적 외교 정책이 제한되어 있으며 국제정치에서의 힘의 배분이 약 소국들의 외교정책을 추동한다고 설명한다. 또 한편으로 국내정치의 구 도와 이데올로기, 민족주의의 국내 정치적 요소 또한 중요하다는 논의 또한 존재한다. 본 연구는 많이 주목받지 못했던 1950년대 초반 냉전의 형성 당시 인도네시아와 태국의 각기 다른 외교안보전략을 국내 정치적 비교연구를 통해서 분석한다. 두 국가는 모두 외부 경제적 지원의 필요 성, 안보 위협에 직면했으나 동맹전략에 있어서 인도네시아는 미국과의 동맹이 아닌 비동맹 전략을 취한다. 반면 태국은 국내정치적 논란에도 불구하고 미국과의 협력을 취한다. 본 논문에서는 이러한 차이가 이 두 국가의 국내 정치적 세력 구도의 차별성에 기인하고 있음을 밝힌다.
        5,700원
        16.
        2021.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        목적 : 주시시차 각을 교정해주는 정렬프리즘과 Sheard 기준에 의한 프리즘 처방 값을 비교하여 차이를 알아보 고자 한다. 방법 : 전신질환이나 안과질환이 없으며 사시에 관한 수술을 받은 적이 없는 성인 35명(평균 25.43±2.23세, 남자27명, 여자8명)을 대상으로 하였다. 주시시차는 Wesson fixation disparity card를 이용하여 측정한 후, 프리즘바를 이용하여 주시시차를 0으로 만드는 프리즘량을 정렬프리즘으로 기록하였다. 사위도 검사는 수정된 토링 톤 법으로 Muscle Imbalance Measure card를 이용하였다. 결과 : 주시시차의 평균은 외주시시차 9.95±5.69′이었고, 프리즘바를 이용한 주시시차의 정렬프리즘 교정 값 은 외주시시차 4.09±2.80 △이었다. 사위도는 외사위 8.34±5.70 △, 양성융합버전스는 23.20±6.28 △이었고, Sheard 기준에 의한 프리즘 처방 값은 기저내방 0.66±1.41 △이었다. 주시시차의 정렬프리즘과 Sheard 기준에 의한 프리즘 처방 값의 평균은 통계적으로 유의한 차이를 보였다(p<0.001). 결론 : 동일한 주시시차의 각을 가지고 있더라도 주시시차 각을 교정해주는 정렬프리즘량이 사람마다 다른 경향을 보였다. 따라서 사위 처방을 하고자 할 때 주시시차를 위한 정렬프리즘과 Sheard 기준을 모두 고려해야 할 것으로 사료된다.
        4,000원
        17.
        2021.11 KCI 등재 SCOPUS 구독 인증기관 무료, 개인회원 유료
        Cu matrix composites reinforced with chopped carbon fiber (CF), which is cost effective and can be well dispersed, are fabricated using electroless plating and hot pressing, and the effects of content and alignment of CF on the thermal properties of CF/Cu composites are studied. Thermal conductivity of CF/Cu composite increases with CF content in the in-plane direction, but it decreases above 10% CF; this is due to reduction of thermal diffusivity related with phonon scattering by agglomeration of CF. The coefficient of thermal expansion decreases in the in-plane direction and increases in the through-plane direction as the CF content increases. This is because the coefficient of thermal expansion of the long axis of CF is smaller than that of the Cu matrix, and the coefficient of thermal expansion of its short axis is larger than that of the Cu matrix. The thermal conductivity is greatly influenced by the agglomeration of CF in the CF/Cu composite, whereas the coefficient of thermal expansion is more influenced by the alignment of CF than the aggregation of CF.
        4,000원
        20.
        2021.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Background: Although the Schroth exercise is widely used in idiopathic scoliosis, the Schroth exercise with kinesiotaping is not. And, little research has examined their effectiveness. Objectives: To investigate the effect of Schroth exercise with kinesiotaping on idiopathic scoliosis. Design: A randomized controlled trial. Methods: Participants with hamstring tightness were allocated into the Schroth exercise with kinesiotaping group (SETG, n=12) and the schroth exercise group (SEG, n=11). Participants groups performed Schroth exercise with kinesiotaping or Schroth exercise according to group assignment. To identify changes in spine alignment and balance were performed at pre- and postexercise. Results: Significant changes occurred in spine alignment, balance ability (X mean, LOS forward, LOS right) after exercise in SETG (P<.05). SETG was a significant difference in balance ability (LOS right) than SEG. Conclusion: Schroth exercise with kinesiotaping are effective in improving spine alignment and balance ability in idiopathic scoliosis.
        4,000원
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