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종아리근 단축 대상자에게 목말뼈 후방활주 테이핑을 이용한 관절가동술 적용과 근막이완기법의 적용이 동적 균형의 운동학적 변화에 미치는 영향
서민아(Min-A Seo),정규나(Kyu-Na Jeong),김유진(Yu-Jin Kim),이유진(Yu-Jin Lee),황영인(Young-In Hwang) 한국전문물리치료학회 2022 한국전문물리치료학회지 Vol.29 No.1
Background: Individuals with calf muscle shortening may have decreased dynamic balance. Objects: This study aimed to investigate the effect of mobilization with movement (MWM) and myofascial release (MFR) on kinematic changes in dynamic balance in individuals with calf muscle shortening. Methods: Thirteen participants were randomly assigned to the MWM or the mobilization with movement added myofascial release (MWM-MFR) group. The MWM group received treatment with only MWM, whereas the MWM-MFR group was treated with MWM and MFR. Pre- and post-intervention passive range of motion (PROM), maximum reaching lengths, and modified star excursion balance test (MSEBT) results were compared for all participants. Wil-coxon signed-rank test and Mann-Whitney U test were used for statistical analysis. Results: The results showed significant within-group differences in ankle PROM, but no sig-nificant between-group differences. The maximum reaching length in the MWM-MFR group in the posterolateral direction was significantly different before and after the intervention (p = 0.005). This group also showed significantly reduced ankle abduction in MSEBT during the posteromedial direction section 3 (p = 0.007) and posterolateral direction section 5 (p = 0.049) compared with the MWM group. Conclusion: Combined MWM and MFR intervention improves ankle stability in the coronal plane during the posteromedial and posterolateral forward movement in dynamic balance compared with only MWM in individuals with calf shortening.
u-TSN 서비스를 위한 IEEE 802.11a/g 기반 통신모듈 개발
배정규(Jeong Kyu Bae),우리나라(Ri Na Ra Woo),송정훈(Jung Hoon Song),안태식(Tae Sik Ahn),한동석(Dong Seog Han) 大韓電子工學會 2009 電子工學會論文誌-TC (Telecommunications) Vol.46 No.12
본 논문에서는 u-TSN 서비스 제공을 위한 통신모듈의 구현과 성능 평가를 통해 u-TSN 서비스와 지능형 교통 시스템 및 인포테인먼트의 구현 가능성을 확인한다. 통신모듈은 IEEE 802.11a와 11g 기반으로 구현되었고 차량장치와 노변장치에 이용된다. 실제 도로환경에서 개발된 시스템은 최대 약 15Mbps, 원거리 고속 이동상황에서 10Mbps의 데이터 전송율을 나타내었다. 이는 u-TSN 서비스 중 교통흐름 제어를 위한 통신용량을 충분히 수용할 수 있는 수준이다. In this paper, we have developed communication modules for ubiquitous transportation sensor network (u-TSN). The developed module can be used for intelligent transportation services. The developed systems are based on IEEE 802.11a and IEEE 802.11g technologies for vehicle and infrastructure systems, respectively. We have found that the throughput for the developed systems is at maximum around 15 Mbps. It is reduced to 10 Mbps at a long distance and high speed condition. The performance is enough to support traffic control services in dense traffic condition.
Na Gyeong Geum(금나경),Ho Jun Son(손호준),Joo Ho Yeo(여주호),Ju Hyeong Yu(유주형),Min Yeong Choi(최민영),Jae Won Lee(이재원),Jueng Kyu Baek(백정규),Jin Boo Jeong(정진부) 한국약용작물학회 2021 한국약용작물학회지 Vol.29 No.3
Background: The leaves of Staphylea bumalda (S. bumalda), a deciduous tree distributed in Korea, China, and Japan, are used to treat respiratory diseases or inflammation. However, the immune-enhancing activity of S. bumalda leaves has yet to be examined. Thus, we investigated the effect of water extracts of S. bumalda leaves (SBL) on macrophage activity using RAW264.7 mouse macrophage cells. Methods and Results: SBL increased the production of immunomodulators such as NO, iNOS, IL-1β, IL-6, TNF-α, and MCP-1 and activated the phagocytic activity of RAW264.7 cells. SBL-mediated production of immunomodulators in RAW264.7 cells was blocked by inhibition of TLR2 and TLR4 and was attenuated by JNK inhibition. Moreover, SBL increased JNK phosphorylation, while inhibition of TLR2 and TLR4 blocked SBL-mediated JNK phosphorylation. These results suggest that SBL activates JNK through stimulating TLR2 and TLR4 in macrophages to induce immunomodulator production. In lipopolysaccharide-stimulated RAW264.7 cells, SBL inhibited the overproduction of immunomodulators. Conclusions: Given these results, SBL showed immunostimulatory activity under normal conditions and immunosuppressive activity during LPS-induced excessive immune response.
금나경(Na Gyeong Geum),여주호(Joo Ho Yeo),류주형(Ju Hyeong Yu),최민영(Min Yeong Choi),이재원(Jae Won Lee),백정규(Jueng Kyu Baek),정진부(Jin Boo Jeong) 한국자원식물학회 2021 한국자원식물학회지 Vol.34 No.3
Bok choy is one of Brassica vegetables widely consumed worldwide. Brassica vegetables have been reported to exert various pharmacological activities such as antioxidant, anti-cancer and cardioprotective activity. However, studies on immunostimulatory activity of bok choy sprout have not been conducted properly. Thus, in this study, we investigated in vitro immunostimulatory activity of bok choy sprout extract (BCS) using mouse macrophage RAW264.7 cells. Our results showed that BCS increased the production of immunomodulators such as NO, iNOS, IL-1β, IL-6, IL-12, TNF-α and MCP-1, and phagocytic activity in RAW264.7 cells. BCS activated MAPK, NF-κB and PI3K/AKT signaling pathways. However, BCS-mediated production of immunomodulators was dependent on JNK, NF-κB and PI3K/AKT signaling pathways. the mRNA expression of TLR2 were significantly increased by BCS, TLR2 inhibition by anti-TLR2 dramatically suppressed the production of immunomodulators by BCS. In addition, TLR2 inhibition by anti-TLR2 significantly reduced BCS-mediated phosphorylation level of AKT, JNK and NF-κB. From these results, BCS may have immunostimulatory activity via TLR2-MAPK, NF-κB and PI3K/AKT signaling pathways. Therefore, BCS expected to be used as a potential immune-enhancing agent.