• Title/Summary/Keyword: Group activity

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The Effects of Action Observation Training on Lower Limb Muscle Activity and Dynamic Balance in Chronic Stroke Patients (동작관찰훈련이 만성 뇌졸중 환자의 하지 근 활성도 및 동적 균형에 미치는 영향)

  • Kim, Jae-Woon;Son, Young-Lan;Kim, Yong-Nam
    • PNF and Movement
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    • v.17 no.2
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    • pp.245-252
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    • 2019
  • Purpose: The purpose of this study was to determine the effects of action observation training on lower limb muscle activity and dynamic balance in chronic stroke patients. Methods: This study evaluated 20 chronic stroke patients who were divided randomly into a control and an experimental group comprising 10 patients each. Both the experimental group and the control group performed the general exercise therapy provided by the hospital, but the experimental group also performed action observation training. Lower limb muscle activity was measured with a surface electromyograph, and dynamic balance was measured with the Timed Up and Go test and the 10-meter walk test. The paired t-test was used to compare the groups before and after the experiment. Furthermore, the independent t-test was used to assess differences in the degree of change between the two groups before and after the experiment. Results: The within-group comparisons for both the experimental group and the control group showed significant differences in muscle activity and dynamic balance (p<0.05). In a comparison between the groups, the differences in the muscle activity and dynamic balance of the experimental group appeared significant compared with those of the control group (p<0.05). Conclusion: The study results indicate that action observation training is effective in improving the muscle activity and dynamic balance of chronic stroke patients.

Structure-Activity Relationship for Antidepressant Effect of Luteolin and Its Related Derivatives Isolated from Taraxacum mongolicum

  • Hwang, Keum Hee;Lee, Nam Kyung;Kim, Gun Hee
    • Natural Product Sciences
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    • v.19 no.1
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    • pp.8-14
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    • 2013
  • The inhibitory effect and the structure-activity relationships of luteolin and its related derivatives isolated from Taraxacum mongolicum against MAO activities were investigated. The activity-guided isolation of extract from Taraxacum mongolicum led to the isolation of three flavonoids, luteolin, diosmetin, and luteolin-7-glucoside, a polyphenol, chlorogenic acid, a tyrosine and a uridine. The inhibitory activities of luteolin and its related derivatives against MAOs activities are dependent on their molecular structures. The presence of the phenolic hydroxy group at para-position is the active site for MAO-A inhibition as well as of MAO-B. The methoxy group has no potential on MAO-A inhibition. An additional phenolic hydroxy group at the ortho-position alleviates about 4-fold MAO-A inhibitory activity of phenolic hydroxy group at para-position. A carboxylic group seems to be critical for DBH inhibition and has no effects on MAO.

A Study on the Performance of Quality Small-Group Activity (품질소집단 활동의 성과에 관한 연구)

  • Chung, Young-Bae;Kim, Yon-Soo
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.34 no.4
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    • pp.42-48
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    • 2011
  • This paper proposes performance measurement method of quality small-group activity in business. This paper collects and analyzes quality circle activities data respect to tangible and intangible effect in national quality circles competitions festival. This paper proposes QPI (quality-circle performance index) based on Balanced Scorecard for quality small-group activity in quality improvement area. QPI is to measure the performance of quality improvement activities in the business firms. QPI is able to use widely in industries to provide a performance measure of quality small-group activity. In this paper, we propose the application method of QPl.

The Effectsof Daucus carota L. Extracts on Serum Lipid and Antioxidative Enzyme Activity in Ovariectomized Rats (당근추출물이 난소를 절제한 흰쥐의 혈중지질 및 항산화효소 활성에 미치는 영향)

  • 김미향;하배진;배송자
    • Journal of Life Science
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    • v.10 no.1
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    • pp.7-13
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    • 2000
  • The purpose of this study was to investigate whether the extracts of Daucus carota L. could lead to a beneficial outcomes on serum lipid and antioxidative enzyme activity in ovariectomized rats. Sprague-Dawley rats were randomly assigned to one control and three diet groups; carrot seed, carrot root and estrogen after ovariectomy operation. Experimental diets were fed for 8 weeks. The GOT activity was decreased in the carrot extracts treated group than in the control group. The carrot seed extracts treated group showed the lowest SOD and catalase activities compare to other groups. Serum total cholesterol and LDL cholesterol decreased in the carrot seed extracts group than in the control group. From these results, it suggest that carrot seed extracts positively influenced on serum lipid and antioxidative enzyme activity.

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Antioxidant Activities of Ginseng Seeds Treated by Autoclaving

  • Bae, Hye-Min;Kim, Sung-Soo;Cho, Chang-Won;Yang, Deok-Chun;Ko, Sung-Kwon;Kim, Kyung-Tack
    • Journal of Ginseng Research
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    • v.36 no.4
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    • pp.411-417
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    • 2012
  • Ginseng seeds were treated with different autoclaving temperatures and autoclaving times, and extracted with 80% methanol to measure changes in antioxidant activity. The antioxidant activity of ginseng seeds treated by autoclaving was measured by 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity, 2,2'-aziono-bis(3-ethylbenzthiazoline)-6-sulfonic acid radical scavenging activity, superoxide dismutase SOD-like activity, ferric reducing antioxidant power (FRAP), and total phenolic compound content. As autoclaving temperature and time were increased, the L lightness value decreased and the redness value tended to increase. Total phenolic compound content was about three times higher in ginseng seeds treated with autoclaving at 130°C than in ginseng seeds that were not treated. DPPH radical scavenging activity and ABTS radical scavenging activity increased as autoclaving temperature and time were increased. In particular, when the concentration was 100 ppm, the ABTS radical scavenging activity was 91.80% in ginseng seeds treated by autoclaving at $130^{\circ}C$, which was the highest antioxidant activity. FRAP and SOD-like antioxidant activity tended to increase significantly as autoclaving temperature and time were increased.

The Craniofacial Pain and the Personality Characteristics in the Students who Failed the College-Entrance Examination (대입재수생의 두경부 동통 발생 양상과 인성 특성)

  • 구자윤;기우천;최재갑
    • Journal of Oral Medicine and Pain
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    • v.23 no.1
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    • pp.57-64
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    • 1998
  • Personality characteristics were studied by means of SCL-90-R test, Behavioral problem and pain site was studied Isleep disturbance, irregular eating habit, decreased physical activity, decreased social activity, increased emotional tension) by examination sheets. This study was conducted to examine the mature and extent of psychological difference between the students who failed the college-entrance examination and freshment and to determine whether psychological distress acts as a precipitate for craniocervical pain. 96students who failed the college-entrance examination (examination-failed student) and 86 freshmen were included in this study. The obtained results were as follows : Mean T-score of SCL-90-R primary scaled and global Indies in examination-failed students were significantly higher than the freshmen group. In comparison with examination-failed student group, the prevalence of neck and shoulder pain was significantly higher than the freshmen group. When the study and control group were compared in behavioral problem the study group had not more sound sleep than the control group. The study group had more irregular eating habit than control group. The study group had the lower physical activity than control group. The study group had poor social activity than control group. There was no significant difference in emotional tension.

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Studies on Immunity and Sex Hormone Activity of Bis(tributyltin) oxide (Bis(tributyltin) oxide가 랫드의 면역 및 성호르몬 활성에 미치는 영향)

  • Choi, Han-Young;Ra, Kyu-Hwan
    • Journal of Environmental Health Sciences
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    • v.25 no.3
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    • pp.89-93
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    • 1999
  • The purpose of this study finds out the effect of red ginseng extract(1.0 g/kg) on bis(tributyltin)oxide(TBTO)(10, 20 and 40 mg/kg) which poisons against some organs like thyroid gland, liver, kidney, testis, ovary. Serum immunity and sex hormone activity of rats are examined by gastric tubing for 3 weeks. The weights of each in treated group were increased, especially liver in females and those of testis in males were signignificantly increased at 10, 20 and 40 mg/kg (P<0.05, P<0.01). In group treated with TBTO(10, 20 and 40 mg/kg) for females, the serum IgG level was significantly reduced in comparison with control group(P<0.05). The group of females which were poisonned by TBTO and rGe was significantly recovered in TBTO 10 mg/kg + rGe 1.0 g/kg and TBTO 20 mg/kg + rGe 1.0 g/kg. In case of sex hormone activity of each sex, the estradiol activity of females and testosterone activity of males were signignificantly decreased rather than the control group. And control group by bis(tributyltin) oxide and red ginseng extract is just increased estiradiol activity.

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The Effects of Fall Prevention Education on the Fall-related Knowledge and Prevention activity of the Elderly Hospitalized in Internal Medicine Department (낙상예방교육이 내과병동 노인 환자의 낙상 관련지식, 낙상예방행위에 미치는 효과)

  • Chung, Myung Sill
    • Journal of muscle and joint health
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    • v.20 no.2
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    • pp.102-111
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    • 2013
  • Purpose: This study was conducted to examine the effects of a fall prevention education on the fall-related knowledge, prevention activity of the elderly hospitalized in internal medicine department. Methods: A nonequivalent control group pretest-posttest design was used for this study. A total of 44 patients of the elderly hospitalized in internal medicine department were randomly divided into the experimental group (n=22) and the control group (n=22). The experimental group received about an half hour, fall prevention education at the admission day, 3days and 5days after admission, while the control group received the usual care. The outcome variables were measured before and after fall prevention education. Data were analyzed with $x^2$-test and t-test by using SPSS 12. Results: The experimental group showed significant improvement in fall-related knowledge and prevention activity. Conclusion: The fall prevention education was effective in increasing fall-related knowledge and prevention activity of the elderly hospitalized in internal medicine department. For reducing fall events, it is important to educate the elderly hospitalized about fall-related knowledge and prevention activity related to fall.

AN ELECTROMYOGRAPHIC STUDY OF MUSCLE ACTIVITY IN NORMAL OCCLUSION AND SKELETAL CLASS III MALOCCLUSION IN ADULT (성인에서 골격형 III급 부정교합자와 정상교합자의 근활성도에 관한 연구)

  • Kim, Taik-Soo;Sohn, Byung-Hwa
    • The korean journal of orthodontics
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    • v.22 no.3 s.38
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    • pp.627-646
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    • 1992
  • The purpose of this study was to investigate the relationship among the activity of the craniofacial muscle and craniofacial form and occlusal state. In this study, subjects were consisted of 23 male adults with skeletal Class III malocclusion and 30 male adults with normal occlusion. The measurements in oral exam, lateral ceghalogram, and E.M.G. recordings of anterior temporal, masseter, and upper lip muscles at rest position, clenching in centric occlusion, chewing of gum, swallowing of juice, were analyzed with SPSS system. The results were as follows: 1. At rest position upper lip muscle activity of skeletal Class III group was significantly higher than that of normal group. 2. Both clenching and chewing masseter and temporal muscle activity of normal group were significantly higher than that of skeletal Class III group. 3. During swallowing of juice, upper lip muscle activity of skeletal Class III group were significantly higher than that of normal group. 4. The activities of masseter and anterior temporal muscle during clenching and chewing were significantly correlated with hypodivergent facial form and number of occluded teeth. 5. The activity of upper lip during swallowing had positive correlation with mandibular prognathism.

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The Changes of Muscle Activities of Leg during Stair down in Subjects with Flatfoot (편평족 대상자의 계단 내려가기 시 다리의 근활성도의 변화)

  • Kim, Taeho;Lim, Jinyong
    • Journal of The Korean Society of Integrative Medicine
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    • v.2 no.3
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    • pp.57-63
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    • 2014
  • Purpose : The purpose of this study was to identify the muscle activity of leg during stair down in the subjects with flatfoot and normal foot. Methods : The fourteen subjects with the flatfoot group and the fifteen subjects with the normal foot group volunteered for this study. All subjects descended the stairs that the height was 20cm and consisted 25 stairs. The target muscles for recording muscle activity were posterior fiber of gluteus medius, vastus medialis and vastus lateralis oblique, semitendinosus and biceps femoris, tibialis anterior, and medial and lateral fiber of gastrocnemius muscles. The muscle activity was recorded using the wireless EMG system. Results : The flatfoot group had significantly lower the muscle activity of posterior fiber of gluteus medius than the normal foot group in stance phase during stair down(p<.05). The flatfoot group had significantly higher the muscle activity of biceps femoris and tibialis anterior than the normal foot group in swing phase during stair down(p<.05). Conclusions : This study proposed that the subject with flatfoot should train the strengthening exercise for posterior fiber of gluteus medius.