• Title/Summary/Keyword: Shortening Effect

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Physiological Activity and Antioxidative Effect of Methanol Extract from Onion (Allium cepa L.) (양파 메탄올 추출물의 생리활성 및 항산화효과)

  • 김현구;곽희진;권영주;정필호;권중호
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.29 no.2
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    • pp.349-355
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    • 2000
  • Onion was extracted by methyl alcohol and some physiological activities and antioxidative effect of the extracts on soybean oil, corn oil, lard and shortening were compared with commercial antioxidants such as $\alpha$-tocopherol and BHT. The electron donating ability was about 70% at concentration above of 30mg/mL. Nitrite scavenging effects of all concentrations diminished at higher pH, while in the case of pH 1.2, it showed a nitrite scavenging effect of more than 80% af concentration above of 30mg/mL. And also, the angiotensin I-converting enzyme inhibitory effect was good above 80%. The soybean oil, corn oil, lard and shortening containing different levels of the onion extract were stored at 6$0^{\circ}C$ to evaluate the antioxidative activity of onion extracts. Peroxide value, acid value and TBA value of each oil were detected. Onion extract was very effective to retard oxidation of soybean oil, corn oil and lard, and especially, the very high antioxidative effect was observed for lard.

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Shortening Scarf Osteotomy for Treatment of Hallux Rigidus Deformity (단축 Scarf 절골술을 이용한 무지 강직증의 치료)

  • Lee, Yeong Hyeon;Ahn, Gil Yeong;Nam, Il Hyun;Lee, Tae Hun;Lee, Yong Sik;Kim, Dae Geun;Lee, Young Hoon
    • Journal of Korean Foot and Ankle Society
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    • v.20 no.4
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    • pp.152-157
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    • 2016
  • Purpose: To evaluate the effect of shortening scarf osteotomy on pain relief and range of motion (ROM) of the first metatarsophalangeal joint in hallux rigidus patients. Materials and Methods: Twenty-three cases of 19 patients who had been treated with shortening scarf osteotomy for the hallux rigidus between January 2007 and December 2013 were reviewed. The mean follow-up period was 21.4 months, and the mean age was 59.2 years. The first metatarsal bone was shortened until the ROM of the first metatarsophalangeal joint was greater than $80^{\circ}$ or $40^{\circ}$ of dorsiflexion. The length shortened by scarf osteotomy was measured. The authors also measured and compared the joint interval difference of the standing foot using an anteroposterior radiography. Moreover, the difference of ROM of the first metatarsophalangeal joint between the preoperative and final follow-up periods was also compared. The clinical results were evaluated and compared using the American Orthopaedic Foot and Ankle Society (AOFAS) scoring system and visual analogue scale (VAS) score. Results: The mean shortening length was about 6.5 mm (range, 4~9 mm). The joint space has been increased to 1.8 mm, and the ROM of the first metatarsophalangeal joint has also been increased to $18.4^{\circ}$ after the operation. In three cases, the postoperative ROM has been decreased to less $10^{\circ}$. The AOFAS score has been improved from 41.7 (range, 32~55) to 86.2 (range, 65~95), and the VAS score was also decreased from 3.7 (range, 3~5) to 1.3 (range, 0~3). Two cases have shown no decrease in pain even after the operation. Conclusion: Shortening scarf osteotomy was found to decrease joint pain by decompressing the pressure of the first metatarsophalangeal joint. This osteotomy also helped improve the ROM of the first metatarsophalangeal joint. Shortening scarf osteotomy can be considered one of the effective methods for joint preservation.

The Effects of Hamstring Length on the Static Stance Balance Ability (슬괵근 길이가 정적 기립균형 능력에 미치는 영향)

  • Nam, Kun-Woo;Park, Dae-Sung
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.13 no.2
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    • pp.45-54
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    • 2007
  • The purpose of this study was effect of hamstring length on one leg stance test(OLST) in 108 persons. (men 28, women 80). The active knee extension test(AKE) was applied 3 times on both leg and high score was selected. Then, one leg stance test(OLST) was applied 3 times on both leg and high score was selected. Also, persons divided two group that is normal hamstring length group and shortening group). The result were as follows : 1. The correlation analysis between Lt. hamstring length and one leg stance time was no significant relation($p_{Lt.}=0.271$, $p_{Rt.}=0.051$). 2. The correlation analysis between Rt. hamstring length and one leg stance time was no significant relation($p_{Lt.}=0.837$, $p_{Rt.}=0.334$). 3. The independent T -test between Lt. hamstring normal (knee extension > 150degrees) & shortening group (knee extension ${\leq}$ 150 degrees) in Lt. leg stance time was no significant difference(p=0.73), but in Rt. leg stance time was statistically significant difference(p=0.04). 4. The independent T-test between Rt. hamstring normal (knee extension > 150degrees) & shortening group (knee extension ${\leq}$ 150 degrees) in one leg stance time was no significant difference($p_{Lt.}=0.09$, $p_{Rt.}=0.16$).

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Prediction of Differential Column Shortening for Reinforced Concrete Tall Buildings (시공단계를 고려한 철근콘크리트 고층건물 기둥의 부등축소량 해석)

  • Lee, Tae-Gyu;Kim, Jin-Keun;Song, Jin-Gyu
    • Magazine of the Korea Concrete Institute
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    • v.11 no.1
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    • pp.99-107
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    • 1999
  • In this paper, the prediction method of the differential column shortening for cracked reinforced concrete tall buildings due to the construction sequence is presented. The cracked sectional properties from the strain and curvature of the sectional centroid is directly used. And the stiffness matrix of concrete elements considering the axial strain-curvature interaction effect is adopted. The creep and shrinkage properties used in the predictions were calculated in accordance with ACI 209, CEB-FIP 1990, and B3 model code. In order to demonstrate the validity of this algorithm, the prediction by the proposed method are compared with both the results of the in-situ test and the results by other simplified method. The proposed method is in good agreement with experimental results, and better than the simplified method.

A Basis Study on Assessment Method of Influence Factors about the Shortening of the Construction Time Applying FMEA in Apartment Housing (FMEA를 활용한 공동주택 공기단축 영향요인 평가방법에 관한 기초연구)

  • Ha, Hee-Yoon;Ahn, Byung-Ju;Lee, Yoon-Sun;Kim, Jae-Jun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.383-386
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    • 2007
  • Recently, The percentile of the apartment housing within the apartment construction of domestic is increasing daily. Especially the construction duration in apartment construction is an very important factor which affects project cost. Therefore the construction companies the effort to shorten construction duration. The influence factors of the construction duration are analyzed to shorten construction duration through this tendency. The shown factors are needed to assessment method efficiently. This study is to suggest a method for the assessment of influence factors about the shortening of the construction time in apartment housing based on the FMEA(Failure Mode and Effect Analysis) method.

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A study of the preconsonantal vowel shortening in Chinese

  • Yun, Ilsung
    • Phonetics and Speech Sciences
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    • v.10 no.4
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    • pp.39-44
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    • 2018
  • This study aimed to examine whether preconsonantal vowel shortening, which occurs in many languages, exists in Chinese. To this end, we compared 15 pairs of Chinese bi-syllabic words with intervocalic unaspirated/aspirated stops. The results revealed that (1) the effect of the feature aspiration of the following stop on the preceding vowel (V1) was neither significant nor consistent though V1 tends to be a little longer before an unaspirated stop; (2) the following unaspirated stop closure (C) was similar to or longer than its aspirated cognate; (3) the durational sum of V1 and C was longer when the stop is unaspirated, and V1 and C had no compensatory relationship; (4) Voice Onset Time (VOT) was significantly longer when the stop is aspirated than unaspirated; (5) the vowel (V2) following VOT was significantly longer when the stop is unaspirated, so the differentials in VOT were partially compensated; (6) despite the partial compensation, the sum of VOT and V2 was longer when the stop is aspirated; (7) words with an intervocalic aspirated stop were longer than those with its unaspirated cognate. It is concluded that while VOT is the most important factor for deciding the timing structure of Chinese words with intervocalic stops, closure duration is crucial for Korean and many other languages.

Characteristics of low calorie layer cake by adding different levels of polydextrose (폴리덱스트로스의 첨가량에 따른 저 열량 레이어 케이크의 특성)

  • 송은승;김상진;강명화
    • Korean journal of food and cookery science
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    • v.17 no.4
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    • pp.367-372
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    • 2001
  • This study was conducted to investigate the effect of rheological and sensory characteristics of the low-calorie layer cake made by adding different levels of polydextrose as a fat substitute for shortening. As the substitution level of polydextrose increased, the specific gravity of the cake batter increased and the viscosity decreased. The microstructures of cake crumb observed by a scanning electron microscope showed the decreased number and size of air cells and fat particles by increasing fat substitution level. The texture profile analysis using rheometer showed significant differences among the samples according to the levels of polydextrose for shortening. The hardness. gumminess, cohesiveness and chewiness of the cake declined gradually by increasing polydextrose level, while the springiness increased. There were no significant differences in resilience. Among various sensory properties, the appearance, flavor, crumb texture and overall acceptance of the layer cake decreased by increasing polydextrose level, although the taste score increased by adding 25% of polydextrose for shortening. Taking these results together, adding 25% polydextrose for shortening suggested to be a good substitution level for the low-calorie layer cake.

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A Parametric Study on Effects of Column Shortening Analytical Correction Using Measured Results in RC Tall Buildings (RC 고층 건물에서 계측 결과를 이용한 기둥축소 해석보정의 효과에 대한 변수 연구)

  • Song, Eun-Seok;Kim, Jae-Yo
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.24 no.4
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    • pp.38-47
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    • 2020
  • A parametric study for analytical correction using measurement results was performed to minimize errors in the predictions of column shortening in RC tall building. The parameters of the column shortening analytical correction are the execution standard of analytical correction, the value of the analytical correction, and the measurement location, and the analytical correction models with the parameters were applied to the construction sequence analysis of a 41-story RC building to compare and analyze the correction effect according to the parameter. The reduction ratio of the error value for each floor was compared with the number of corrections and the total corrected value, and it was confirmed that the error tended to be minimized when the execution standard of analytical correction was performed based on a regular interval, when the analysis correction value was corrected by the error value, and when the measurement position was measured every floor. From this, it was confirmed that the most appropriate analytical correction model can be derived by applying multiple analytical correction models to the actual analysis model.

Effects of Mobilization With Movement Using Posterior Talus Glide Taping Added Myofascial Release on Kinematic Data of Dynamic Balance in Individuals With Calf Shortening (종아리근 단축 대상자에게 목말뼈 후방활주 테이핑을 이용한 관절가동술 적용과 근막이완기법의 적용이 동적 균형의 운동학적 변화에 미치는 영향)

  • Seo, Min-A;Jeong, Kyu-Na;Kim, Yu-Jin;Lee, Yu-Jin;Hwang, Young-In
    • Physical Therapy Korea
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    • v.29 no.1
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    • pp.70-78
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    • 2022
  • 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. Wilcoxon 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 significant 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.

Result of Joint Preserving Surgery Using Axial Shortening Metatarsal Osteotomy for the Treatment of Severe Hallux Valgus and Claw Toes Deformity in Advanced Rheumatoid Arthritis (류마티스 관절염에 의한 고도의 무지 외반증과 소족지 갈퀴족 변형에 대한 중족골 종축 감압 절골술을 이용한 관절 보존술의 결과)

  • Nam, Il-Hyun;Ahn, Gil-Yeong;Moon, Gi-Hyuk;Lee, Yeong-Hyeon;Choi, Seong-Pil;Kim, Ho-Gyu;Oh, Dong-Ho
    • Journal of Korean Foot and Ankle Society
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    • v.16 no.1
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    • pp.47-52
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    • 2012
  • Purpose: The purpose of this study is to evaluate the effect of axial shortening metatarsal osteotomy on the treatment of advanced rheumatoid arthritis patients with severe hallux valgus and claw toe deformity of lesser toes which is used for preserving the metatarsophalangeal joint. Materials and Methods: From January 2005 to June 2009, 18 cases of axial shortening metatarsal osteotomy in advanced rheumatoid arthritis were reviewed ; all of them followed up for more than 2 years after surgical procedures and the mean follow up period was 3.4 years. We performed axial shortening Scarf osteotomy and Akin osteotomy for hallux valgus and Weil osteotomy with soft tissue release for claw toe of lesser toes, respectively. We measured preoperative and postoperative hallux valgus angle, each metatarsal shortening length and the range of motion of the metatarsophalangeal joints through radiographic and clinical examination and compared them each other. Clinical results were evaluated by American Orthopedic Foot and Ankle Society (AOFAS) score and subjective satisfaction of the patients. Results: The hallux valgus angle was reduced from the preoperative mean value of 44.8 degree to 9.0 degree postoperatively and the range of motion of the metatarsophalangeal joint of great toe and lesser toes was increased from the mean of 21.7 degree and 11.0 degree preoperatively to 38.0 degree and 32.5 degree, respectively at postoperation. Also, the mean AOFAS score was improved from 26.5 points to 67.4 points. Conclusion: Axial shortening osteotomy is a useful method to correct the deformity and preserve the metatarsophalangeal joint for severe hallux valgus and claw toe deformity in advanced rheumatoid arthritis.