• Proceedings of the Korea Contents Association Conference
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• 2005.05a
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• pp.156-164
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• 2005

The aim of this study was to analyze the isokinetic strength of ankle, lumbar and shoulder in fin swimmers. For this study, 7 male fin swimmers and 7 men general swimmers were selected. Isokinetic strength of ankle, lumbar and shoulder were measured by Biodex System 3,000. Statistical techniques for data analysis were a descriptive statistics and t-test. The results of this study were as following; The first, significant difference between two groups in right and left plantar flexion of ankle at $30^{\circ}/sec\;and\;180^{\circ}/sec$. But no significant difference was found between right and left in two groups. The second, significant difference between two groups in right dorsiflexion of ankle at $30^{\circ}/sec$. The third, significant difference between two groups in extension of lumbar at $60^{\circ}/sec$. The fourth, significant difference between two groups in right flexing of shoulder at $60^{\circ}/sec$ and $180^{\circ}/sec$. As result of this conclusion, the isokinetic strength of ankle and lumbar in fin swimming group showed significantly higher than non-fin swimming group.

• Journal of Acupuncture Research
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• v.32 no.3
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• pp.53-60
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• 2015

Purpose : This study aimed to prove that surface electromyography(SEMG) can be used to identify the degree of symptoms of diseases in the upper extremities; it also aimed to confirm various potential therapeutic effects through an inquiry into the value measured by the SEMG on certain acupuncture points in the upper extremities. Methods : Fifty healthy people received instructions for the method of exercise: wrist flexion, extension and hand grasping. Disposable electrodes were attached to acupuncture points of Susamni($LI_{10}$), Naegwan($PC_6$), Oegwan($TE_5$) and below Sohae($HT_3$) two cun on both sides in flexion, extension and grasping to measure the SEMG values. The research results were analyzed using SPSS statistics Ver. 22.0(IBM, USA). Results : The average value was highest on Naegwan($PC_6$) in grasping, and the average SEMG value was higher in the order of grasping, extension and flexion. The asymmetry index of each point was Susamni($LI_{10}$) $16.26{\pm}13.59%$, Oegwan($TE_5$) $20.38{\pm}15.59%$, below Sohae($HT_3$) two cun $20.89{\pm}16.77%$, Naegwan($PC_6$) $22.49{\pm}14.91%$ in wrist extension, Susamni($LI_{10}$) $25.99{\pm}21.44%$, Oegwan($TE_5$) $21.15{\pm}15.94%$, below Sohae($HT_3$) two cun $19.62{\pm}15.46%$, Naegwan($PC_6$) $19.93{\pm}16.85%$ in wrist flexion, Susamni($LI_{10}$) $16.60{\pm}12.21%$, Oegwan($TE_5$) $10.94{\pm}8.29%$, below Sohae($HT_3$) two cun $15.20{\pm}12.60%$, Naegwan($PC_6$) $11.68{\pm}7.77%$ in grasping. Conclusions : In this study, to identify the degree of symptoms of diseases in the upper extremities and confirm therapeutic effects, it is necessary to analyze the calculated percentage and compare the SEMG measurement of special points with those of other points, and with the asymmetry index.

• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.14 no.2
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• pp.1-15
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• 2008

Purpose : This survey was to investigate on the effect of each region changed in trunk through sagittal plane after Trunk Flexion-Extension Exercise. Methods : 18 students of Gimcheon College participated in this study for the period of July 9-30, 2007. Analyzed factor were 1) degree of pain 2) presence of Gillet test and 3) difference of right-left for 7 landmark region in trunk applying I.B.S.-2000 after Trunk Flexion - Extension Exercise. We used the SPSS $PC^+$ program for classifying into analysis of frequency, $x^2$-test, t-test and Simple Linear Regression analysis test. Results: Followings are concluded For degree of pain, 13(72.2%) of students answered "No pain" after Trunk Flexion-Extension Exercise and in the result 4 more students decreased the pain. In the Gillet test, 14(77.8%) of students answered "positive" after Trunk Flexion-Extension Exercise and in the result 4 more students increased mobility of Sacroiliac joint. In the differences of right-left for 7 landmark region in trunk by B.M.I. scale, Slim type was decreased both Acromion(0.45mm), both Iliac crest(0.44mm), and both ASIS(0.31mm) to anterior plane, Normal type was decreased both inferior angle of Scapular(0.02mm), both L4-5(0.07mm), and both PSIS(0.09mm) to posterior plane Fatness type was decrease both Acromion(0.05mm), both ASIS(0.05mm) to anterior plane. In the differences of right-left for 7 landmark region in trunk for degree of pain No pain group was decreased both Acromion(0.17mm), both Nipple(0.25mm) to anterior plane and both PSIS(0.13mm) to posterior plane Pain group was decreased both Acromion(0.04mm), both Iliac creast(0.03mm) to anterior plane and both inferior angle of Scapular(0.18mm) both PSIS(0.13mm) to posterior plane. In the difference of right-left for 7 landmark region in trunk for each of the exercises, Both iliac crest(0.1mm), both ASIS(0.12mm) to anterior plane were decreased after Flexion Trunk Exercise. Both acromion(0.27mm) to anterior plane, both inferior angle of scapular(0.14mm) and both PSIS(0.12mm) to posterior plane were decreased after Extension Trunk Exercise. Each of the exercises, The both inferior angle of Scapular showed high scores($0.65{\pm}0.23$) at Trunk Extension Exercise group and there was statistical significance between Trunk Flexion Exercise group and Extension exercise group(t :-2.502, p < 0.05). 7. At Pre-exercise group, Both inferior angle of Scapular showed low scores($0.23{\pm}8.27$) at Trunk Extension Exercise group and there was statistical significance between Pre- Exercise group and Trunk Extension Exercise group(t :-2.5430, p<0.05). Conclusion : The simple linear regression analysis was presented at Acromion(-0.243), L4-5(-0.753), PSIS(0.576) and there was statistical significance in BMI scale(p<0.01).

• The Journal of Churna Manual Medicine for Spine and Nerves
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• v.6 no.1
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• pp.43-52
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• 2011

Objectives : The aim of this study is to investigate the effectiveness of combining "Danmuji Anchu Traction technique" on acute peripheral facial paralysis. Methods : Clinical studies were done 36 patients who were treated acute peripheral facial paralysis to Dept. of Acupuncture and Moxibustion, of Oriental Medicine Hospital Dongeui University from July 10, 2009 to September 15, 2010. subjects were randomly divided into 2 groups. : Complex oriental medical treatment without "Danmuji Anchu Traction technique" treated group (Group A, n=18), Complex oriental medical treatment with "Danmuji Anchu Traction technique" treated group (Group B, n=18). All process of treatment were performed by double blinding method. To compare the effectiveness of treatment applied for two groups, we used Yanagihara's unweighed grading system at before treatment, after 1week and 2weeks of treatment. Results: The Yanagihara's Scores of Group B and Improvement Indexes of Group B were higher than those of Group A, and showed significant difference statistically. "Danmuji Anchu Traction technique" can be available for relieving symptoms related with Acute Peripheral Facial Paralysis. And there were significant differences statistically between Complex oriental medical treatment without "Danmuji Anchu Traction technique" and Complex oriental medical treatment with "Danmuji Anchu Traction technique" on Acute Peripheral Facial Paralysis. Conclusions: These results suggested that "Danmuji Anchu Traction technique" effected for Acute Peripheral Facial Paralysis.

• KOREAN JOURNAL OF CROP SCIENCE
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• v.12
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• pp.71-75
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• 1972

To investigate the effects of C. E. P. A(2-chloroethyl phosphonic acid) on the ripening of tobacco leaf, the effects on the yield and quality of leaf tobacco, this experiments were carried out during the period of from 1970 to 1971 at tobacco experiment station, Sosa, Korea and 3 locations. The results are summarized as follows. 1. The higher the C. E. P. A concentration was, the more the leaf ripening was accelerated. During the period from 3 to 4 days after treatment, the differences of leaf ripening among levels were prominent. 2. Treatment with C. E. P. A only on the upper surface of the tobacco leaf, accelerated the ripening of that particular part treated, but not apparently the other parts of leaf. 3. Distinctive acceleration of leaf ripening was, obserbed in the fully develope1lower leans, however, the upper leaves were indistinctive. 4. The higher C. E. P. A concentration was, the more the effect of ripening acceleration was. But the yield was reduced over 900ppm because of the low of growth of leaves and the reduced yield was 90% at the 3, 000ppm. So the proper concentration was regarded as 900ppm. 5. In the view point of the days of C. E. P. A ripening acceleration, it was shortened one days at 100 ppm, three days at 300ppm, three days at 450ppm, four days at 900ppm, seven days at 3, 000ppm. 6. In the point of curing process, it was possible that the curing time and fuel was reduced 29% and 45% respectively in the C. E. P. A treatment than the check. 7. Therefore, if it is treated the C. E. P. A at 900ppm in the tobacco cultivation, the quality shall be increased 13.5% and the price shall be increased 12% in the 10 Are. In the point of subsidiary affect, it is possible that the C. E. P. A ripening acceleration is shortened about 7 days at 3, 00ppm and curing time is shortened about 24 hours.

• Journal of Korean Orthopaedic Sports Medicine
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• v.5 no.2
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• pp.129-134
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• 2006

Purpose: In the professional soccer team, we performed pre-seasonal physical examination and analyzed the results to establish a standardization data in relation to their position. Materials and Methods: We performed physical examination to the professional soccer team, consisted 34 player's average age 24.9 years. The examination performed were questionnaire on history, musculoskeletal examination, muscle power test, physiologic test, functional test. Results: According to the relationship between player position and injury pattern,. Knee injuries are most frequent on history. Physical examination outcome was that forward were prone to flexor hallucis longus tendinitis, midfielder for chronic ankle instability, defender for achilles tendinitis. Isokinetic test was done at dominant side, Peak torque to body weight ratio was 55.1%. Physiologic test checked body fat percentage was midfielder was superior as 19.8 (SD 2.9). Functional test out-come was that back strength 125 N. sergeant jump 59.6 cm, reaction time 208.5 sec, flexibility 19.2 m/s, side step 39.9 cm. Conclusion: Pre-seasonal physical examination gave us the standardization data and preventive measurement could be advocated from this results.

• Journal of Korean Orthopaedic Sports Medicine
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• v.6 no.2
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• pp.92-98
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• 2007

Purpose: We evaluated the clinical results of arthroscopic ACL reconstruction using quadrupled hamstring tendon with tibial remnant-preserving technique. Materials and Methods: Thirty-five cases were evaluated from Feb, 2003 to May, 2006. The average interval from injury to surgery was $2.6{\pm}1.6$ months. The cause of injury was mostly sports-related trauma. The average follow-up period was 17 months. Tibial remnant was preserved as much as possible and caution was taken not to damage the remnant during ACL reconstruction. Postoperative rehabilitation was the same as the usual rehabilitation method after ACL reconstruction, except for delaying motion for 2 weeks with an extension locking brace. Clinical evaluation was performed using ROM; Lachman test; pivot-shift test; anterior displacement measurement using KT-2000 arthrometer; Lysholm score and proprioception measured by single limb standing test. Results: There was no limitation of knee motion without contracture. The Lachman test and pivot-shift test were both negative. The side-to-side difference of anterior displacement measured using KT-2000 arthrometer was improved from 6.7 mm to 2.2 mm. The average Lysholm score improved from 81 to 96. The single limb standing test for proprioceptive evaluation showed no significant difference from a normal leg. Conclusion: ACL reconstruction with tibial remnant-preserving technique can preserve mechanoreceptors with prorioception and expect good functional recovery.

• Korean Journal of Applied Biomechanics
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• v.19 no.3
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• pp.489-497
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• 2009

The purpose of this study was to find differences of jumping performances within individual and to identify the influencing factors in these differences. 20 male subjects performed 6 maximal vertical jumps. The best(GP) & worst(BP) performance of each subject based on their jump height were compared in further analysis. There was a significant difference of approx. 10% in the jump height between GP and BP, which resulted from height of COM and vertical velocity at the instant of take-off. We could observe a significantly higher ankle moment in the GB more than the BP but no significant differences for the knee and hip joint. Also the maximum power of ankle joints in the GP were significantly higher than that in the BP. According to the results, the mechanical output of knee and hip joint are not as influential as that of ankle joint for difference of performance within individual. In conclusion, the results showed that mechanical output of the ankle joint could be more influential factors on the performances within individual although the knee and hip joint play an important role in the vertical jump. We therefore propose that more emphasis should be placed on the potentiation of the ankle joint for the training of the maximum vertical jump.

• Pediatric Infection and Vaccine
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• v.13 no.2
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• pp.99-105
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• 2006

Purpose : The serotyping results of the Quellung reaction was compared with the newly developed multiplex latex assay and the sensitivity of the Quellung reaction was compared. Methods : We checked the serotypes of 35 samples obtained from patients treated at Yonsei University Medical Center using the multiplex latex bead method and compared the results with the serotypes previously obtained via the Quellung reaction. Results : A decrease in the mean fluorescence was detected in the samples tested with the multiplex assay. Seventeen samples out of the 27 samples agreed to the results of the Quellung assay. We were only able to confirm the concordance of 11 serotypes out of 14 serotypes available. Conclusion : The Quellung reaction is time consuming procedure and prone to errors even with expertise in the procedure, and other alternate methods in serotyping have been investigated to overcome these problems. The newly developed multiplex latex bead assay can test more samples at the same time and has a higher degree of sensitivity. A large scale trial is required to test the sensitivity of the new assay across various serotypes along with efforts to increase the sensitivity of the Quellung assay. The preliminary data suggests that this method may be widely used.

• Korean Journal of Applied Biomechanics
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• v.19 no.4
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• pp.671-680
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• 2009

We performed a study to obtain kinematic data on the characteristics of spike serving techniques used by volleyball players, including other basic data that will be useful for in-field applications. We used three-dimensional videography to compare good tough serves and serve errors. The subjects were 3 left attackers whose spike serves were videographed (60 fileds/s). The three-dimensional coordinates were calculated using the direct linear transformation method and then analyzed using the Kwon 3D software program version 3.1. There was no difference in time elapsed. However, the vertical displacement of the center of body mass(CM) differed between the 2 types of serves: in successful serves, the CM tended to be lower, as did the maximum ball height at the time of hitting. Further, the higher the level of the hitting hand was at the moment of impact, the higher was the likelihood of scoring points. In good serves, the players tended to accelerate their CM movement just before jumping to hit the ball and descend rapidly at the moment of hitting. The hand speed along with ball velocity during the impact was proven to be higher in successful serves. Moreover, in successful serves, the shoulder angles increased to a greater extent while the elbow angles were maintained constant. This possibly resulted in faster and more precise serves. An important observation was that the angle of trunk inclination during the jump did not increase with the swing of the shoulders, muscle tendon complex.