점진적 과제지향적 다리근력강화 운동이 뇌졸중 환자의 균형능력과 일상생활수행능력에 미치는 영향

강태우,김혜미,김범룡,Kang, Tae-Woo,Kim, Hye-Mi,Kim, Beom-Ryong 대한고유수용성신경근촉진법학회 2020 PNF and Movement Vol.18 No.1

Purpose: This study investigated the effects of progressive resistance task-oriented strengthening exercises (PRTSE) on the strength of the lower extremities, balance, and activities of daily living (ADL) of patients following a stroke. The purpose of the study was to provide fundamental data regarding the use of PRTSE with stroke patients. Methods: Twenty stroke patients were randomly divided into an experimental group (n = 10) who took part in PRTSE and a control group (n = 10) who performed general rehabilitation exercises. Both groups performed their respective exercises for 30 minutes five times a week for four weeks. The strength of their lower extremities was measured using a hand-held dynamometer. The balance of the participants was assessed using a Berg balance scale. The modified Barthel index was conducted to measure ADL. A paired t-test was performed to compare within-group changes before and after the PRTSE. Differences between the experimental and the control groups were analyzed using an independent t-test. For all tests, the level of statistical significance was α = 0.05. Results: After the exercises, there was a significant within-group change in the strength of lower extremities, balance, and ADL in the experimental group and the control group (p < 0.05). There was also a significant between-group difference in the strength of lower extremities after the intervention (p < 0.05). Conclusion: General rehabilitation is commonly applied as a treatment for stroke patients and is relatively effective. The application of PRTSE may be useful in such patients, considering its effects on the strength of lower extremities, balance, and ADL.

PNF를 이용한 아래등세모근 강화 운동이 동결견 환자의 통증, 관절가동범위 및 장애에 미치는 영향

강태우,송귀빈,김범룡,Kang, Tae-Woo,Song, Gui-Bin,Kim, Beom-Ryong 대한고유수용성신경근촉진법학회 2021 PNF and Movement Vol.19 No.3

Purpose: The study aimed to determine the effect of the proprioceptive neuromuscular facilitation (PNF) lower trapezius muscle strengthening exercise on pain, shoulder range of motion, and shoulder pain and disability index (SPADI) in patients with frozen shoulder. Methods: Following baseline measurements, 30 subjects (n=30) with frozen shoulder were randomized into two groups: the PNF group (n=15), which received PNF strength training of the lower trapezius muscles, and the control group (n=15), which received gentle palpation of the skin. Each group participated in the intervention for 30 minutes, three times per week, for six weeks. The visual analogue scales for pain, range of motion, and SPADI of both groups were recorded at both pre- and post-intervention. Paired t-tests were used to determine significant changes in the post-intervention period compared with pre-intervention, and independent t-tests were used to analyze differences in the dependent variables between the two groups. Results: After the six-week intervention, both groups experienced significantly decreased pain and SPADI (p < 0.05) and significantly increased shoulder flexion, abduction, internal rotation, and external rotation range of motion (p < 0.05). The PNF group that received the PNF strength exercise of the lower trapezius muscles showed greater improvements in pain and range of motion than those of the control group (p < 0.05). Conclusion: These results suggest that the PNF lower trapezius strengthening exercise reduces shoulder pain and disability levels and enhances shoulder range of motion in patients with frozen shoulder.

PNF기법을 적용한 슬링운동이 만성요통환자의 통증과 균형능력에 미치는 영향

강태우,박영시,Kang, Tae-Woo,Park, Young-See 대한고유수용성신경근촉진법학회 2013 PNF and Movement Vol.11 No.1

Purpose : The purpose of this study was to investigate the effect of sling exercise with PNF basic procedure in patients with chronic low back pain. Methods : This study included 14 patients with chronic low back pain, who were performed sling exercise combined PNF basic procedure. The exercise program comprised 3 sessions of 30 minutes per week for 8 weeks. The VAS(Visual analogue Scale) and BBS(Berg Balance Scale) were evaluated before and after training. All data were analyzed using SPSS 12.0. Results : Significant differences were observed the chronic low back pain patient for VAS, BBS. Chronic low back pain patient improved all test. Conclusion : Sling exercise with PNF basic procedure about chronic low back pain patient is very useful and effective. It is effective in clinical practice.

요통환자에 대한 ICF Tool을 적용한 중재전략의 증례

강태우,송명수,김창헌,Kang, Tae-Woo,Song, Myung-Soo,Kim, Chang-Heon 대한고유수용성신경근촉진법학회 2012 PNF and Movement Vol.10 No.2

Purpose : The purpose of this study was to describe the Intervention strategy applied ICF Tool on patient with low back pain. Methods : The data was collected by low back pain patient. We applied the ICF Tool for low back pain patient. Parameters of result were collected for using the VAS, 6 minute walk test and ICF assessment sheet. Results : Significant differences were observed the low back pain patient for VAS, 6 minute walk test and ICF assessment sheet. low back pain patient improved all test. Conclusion : ICF Tool applied Intervention about low back pain patient is very useful and effective. It is effective in clinical practice.

고유수용성신경근촉진법 운동이 급성 목부염좌 환자의 통증과 목 장애지수 및 심부목굽힘근 지구력에 미치는 영향

강태우,정왕모,김범룡,Kang, Tae-Woo,Jeong, Wang-Mo,Kim, Beom-Ryong 대한고유수용성신경근촉진법학회 2018 PNF and Movement Vol.16 No.2

Purpose: The purpose of this study is to examine the effects of proprioceptive neuromuscular facilitation (PNF) exercises on the neck disability index and deep neck flexor endurance of acute whiplash injury patients and to provide basic data for PNF exercises for musculoskeletal system disorder patients. Methods: Twenty acute whiplash injury patients were randomly assigned to an experimental group (n=10) and were treated with PNF exercises whereas a control group (n=10) underwent general exercises. Each session lasted 15 minutes and was performed five times a week for two weeks. The degree of pain was assessed using a visual analogue scale (VAS) and the degree of neck disability was measured by the neck disability index (NDI). Craniocervical flexor endurance (CCFE) tests were conducted to measure deep neck flexor endurance. Results: In terms of the intragroup changes in VAS, NDI, and CCFE, there were significant decreases in both the experimental and the control groups. After intervention, there were significant differences between the experimental group and the control group in terms of intergroup changes in VAS, NDI and CCFE. Conclusion: Although the exercises that are generally applied to acute whiplash injury patients are effective on the whole, PNF exercises are considered to be beneficial, given the improvements in the neck disability index and deep neck flexor endurance.

제주지역에서 소비되는 식품 중 ¹³⁷Cs과 ⁴⁰K 방사능 농도

강태우,홍경애,박원표,유장걸,Kang, Tae-Woo,Hong, Kyung-Ae,Park, Won-Pyo,U., Zang-Kual 한국환경농학회 2004 한국환경농학회지 Vol.23 No.1

본 연구는 제주지역에서 소비되는 식품류 중의 $^{137}Cs$ 과$^{40}K$ 방사능 농도를 조사하여, 식품 섭취에 따른 $^{137}Cs$와 $^{40}K$에 의한 내부피폭 선량의 값을 평가함으로써 만일의 원자력 사고로 인한 방사능 오염에 대처할 수 있는 기초 자료를 확보하고자 수행하였다. 시료로 채취한 식품류는 농산물 31, 축산물 6, 수산물 12, 임산물 4 그리고 가공식품(차류)이 3종류였고, 방사능 분석은 고순도 게르마늄검출기가 장착된 감마선분광계로 수행하였다. 시료 중 $^{137}Cs$ 방사능 농도범위는 농산물이 MDA이하 ${\sim}650\;mBq/kg$ fresh 축산물 MDA이하 ${\sim}131\;mBq/kg$ fresh, 임산물 MDA이하 ${\sim}834\;mBq/kg$ fresh, 수산물 MDA이하 ${\sim}253\;mBq/kg$ fresh, 그리고 가공식품은 $32.0{\sim}483\;mBq/kg$ fresh 이었다. $^{40}K$의 경우는 농산물 $16.6{\sim}542\;Bq/kg$ fresh, 축산물 $39.1{\sim}294\;Bq/kg$ fresh, 임산물 $85.5{\sim}116\;Bq/kg$ fresh 수산물 $50.1{\sim}657\;Bq/kg$ fresh 그리고 가공식품$33.6{\sim}1,065Bq/kg$ fresh 범위였다. 시료 중 $^{137}Cs$ 방사능 농도가 가장 높은 것은 표고버섯으로 834 mBq/kg fresh 이었으며, $^{40}K$은 커피가 1,065 Bq/kg fresh로 가장 높았다. 각 식품류 중 $^{137}Cs$와 $^{40}K$에 의한 연간 유효선량은 농산물이 66,543 nSv로 가장 높았고, 축산물 19,311, 가공식품(차류) 6,648, 수산물 6,579 그리고 임산물 860 nSv 순으로 낮았으며, 이것을 모두 합한 총 연간 유효선량 값은 99,941 nSv 이었다. 본 연구에 포함된 식품의 1인당 연간 섭취량이 연간 총 식품 섭취량의 60%임을 감안해도 자연환경 중에서 이루어지는 외부피폭에 의한 연간 유효선량인 2,400,000 nSv에 비하면 무시 할 정도여서 평상시 식품섭취에 의한 방사선 내부피폭은 매우 미량이었다. 이상의 자료는 유사시 방사선에 의한 식품류 오염정도를 식별하는데 필수 불가결할 것으로 사료된다. This work was conducted to provide the reference data of radioactivity in the foodstuffs at a radiological emergency situation in Jeju Island The sampled foodstuffs were agricultural (31), livestock (6), marine (12) and forest products (4), and processed foods (3) consumed by Jeju Islanders. $^{137}Cs$ and $^{40}K$ activities were determined by HPGe r-ray spectromety. The activity ranges of $^{137}Cs$ was <MDA (less than mini mum detectable activity) ${\sim}650\;mBq/kg$ fresh in the agricultural products, <MDA${\sim}131\;mBq/kg$. fresh in the livestock, <MDA${\sim}834\;mBq/kg$ fresh in the forest, <MDA${\sim}253\;mBq/kg$ fresh in the marine and $32.0{\sim}483\;mBq/kg$. fresh in the processed foods (tea). In case of $^{40}K$ the activity was $16.6{\sim}542\;Bq/kg$. fresh in the agricultural products, $39.1{\sim}294\;Bq/kg$ fresh in the livestock, $85.5{\sim}116\;Bq/kg$ fresh in the forest, $50.1{\sim}657\;Bq/kg$ fresh in the marine, and $33.6{\sim}1,065\;Bq/kg$ fresh in the processed foods (tea). The highest activity of $^{137}Cs$, 834mBq/kg fresh was observed in oak mushroom and $^{40}K$ 1,065 Bq/kg fresh in coffee. Annual effective doses of $^{137}Cs$ and $^{40}K$ by intake of foodstuffs per capita were the following order; agricultural products (66,543 nSv) > livestock products (19,311 nSv) > processed foods (6,648 nSv) > marine products (6,579 nSv) > forest products (860 nSv). Therefore, total annual effective dose was summed 99,941 nSv which is quite low level comparing to the annual effective dose by external exposure, 2,400,000 nSv. The data obtained in this study can be useful for monitoring whether the foodstuffs are contaminated or not at an emergency radiation accident, and showed that the foodstuffs consumed in Jeju are safe in terms of annual effective dose of $^{137}Cs$ and $^{40}K$

환경 시료 중 신뢰도 검증을 위한 방사능 분석

강태우 ( Tae Woo Kang ),홍경애 ( Kyung Ae Hong ) 한국환경농학회 2007 한국환경농학회지 Vol.26 No.2

The objective of this research was to assess the reliability of data and to improve nuclear analytical techniques concerning the Domestic Radioactivity Intercomparison program for environmental radioactivity monitoring of Jeju from 1998 to 2006. Gross beta for filter papers and water samples was determined, and gamma nuclides for natural and artificial nuclides in soil and water samples were analyzed. The gross beta activity of all samples except for the water samples of 1998 and 1999 showed a good agreement within the confidence intervals. In gamma nuclides, 40K and 137Cs of soil samples and most nuclides in the water samples, with the exception of several nuclides, were evaluated to be reliable. Based on these results, it is considered that a reliable method for the analysis and monitoring of environmental radioactivity were established, which may play an important role in case of emergency radiation accident.

한국형 기동헬기 APU 시동모터 결함원인 분석 및 신뢰성 개선

강태우(Tae-Woo Kang),염효원(Hyo-Won Yeom),이희랑(Hee-Rang Lee),안종무(Jong-Moo Ahn) 한국산학기술학회 2017 한국산학기술학회논문지 Vol.18 No.6

한국형 기동헬기(이하 수리온) 사업은 군이 운용중인 노후헬기를 국산헬기로 대체하기 위하여 연구개발한 사업으로 소요군의 전투력 향상과 운용, 유지 경제성을 고려한 사업이다. 수리온 보조동력장치는 주 발전기의 고장 시 장착 된 교류발전기로 체계에 비상 전원을 공급하는 장치이며 시동모터는 배터리의 전기적 에너지를 기계적 회전에너지로 변환 하여 보조동력장치 엔진을 회전시키는 장치이다. 수리온의 전력화 및 운용이 지속됨에 따라 시동모터의 결함이 발견되었고 이를 해소하기 위한 개선 활동을 진행하였다. 고장모드 분석에서는 결함발생에 대한 현상을 확인하고 결함원인을 5가지로 분류하였다. 5가지 인자에 대한 분석결과 결함의 주요 원인은 기계적 마모이며 이는 스프링 압력과 관련이 있다는 사실을 확인 하였다. 이론적으로 결정 된 압력조절을 통해 250회의 시험검증을 수행하였고 4개의 샘플링 마모량으로 회귀분석을 수행한 결과 모두 0.05이하의 유의수준을 보였기에 대립가설을 채택 하였다. 결론적으로 브러쉬 이상마모와 마모로 인한 파손은 압력조절을 통해 해결할 수 있었으며 시험을 통해 마모량 예측 및 결과 타당성을 확인 할 수 있었다. Korea Utility Helicopter(KUH) is a project to replace the aging helicopter presently being operated by the military with a domestic helicopter. The auxiliary power unit is a device that supplies emergency power to the system by an alternator installed when the main generator fails and the start motor converts the electrical energy of the battery into mechanical rotational energy to rotate the auxiliary power unit engine. With continuing power and operation, defects of the starting motor were found and improvements were carried out to solve it. In the failure mode analysis, the causes of possible defects were classified into 5 categories. Analysis of the 5 factors revealed that the main cause of defects is mechanical wear, which was found to be related to spring pressure. 250 tests were conducted through the theoretically determined pressure and regression analysis was performed with 4 sampling.The results showed that pressure was related to wear rate. In conclusion, early wear and breakage due to wear can be controlled through spring force and test showed the prediction of wear and the validity of the result were confirmed.

거울을 이용한 뒤로 걷기 운동이 뇌졸중 환자의 균형과 보행능력에 미치는 영향

강태우 ( Tae-woo Kang ),김범룡 ( Beom-ryong Kim ) 대한물리의학회 2018 대한물리의학회지 Vol.13 No.2

PURPOSE: This study aimed to identify the effect of a backward walking exercise using a mirror on balance and gait in patients with stroke. METHODS: Twenty subjects with post-stroke hemiparesis volunteered to participate in this study. The experimental and control groups performed backward walking exercise plus conventional therapy or conventional physical therapy, respectively, for 6 weeks. Assessment instruments included the Berg Balance Scale (BBS), timed up and go test (TUG), and 10-m walking test (10MWT). Evaluation was performed before and after the 6-week training period. We conducted a paired t-test to compare the within-group changes before and after the intervention. An independent t-test was used to compare between-group differences. The statistical significance level was set at α=.05 for all variables. RESULTS: The experimental group showed a significant within-group change in the BBS, TUG, and 10MWT (p<.05). The control group also showed a significant change (p<.05). A significant difference was observed between the experimental and control groups with regard to changes in the BBS, TUG, and 10MWT results after the interventions (p<.05). CONCLUSION: This study demonstrated that backward walking exercise using a mirror may be valuable for future research. Further studies with a wider range of pathology and longer experiment duration are required to validate the results of the present study.

머리들기 운동이 뇌졸중 환자의 연하 능력에 미치는 효과

강태우 ( Tae-woo Kang ),김범룡 ( Beom-ryong Kim ) 대한물리의학회 2018 대한물리의학회지 Vol.13 No.2

PURPOSE: We aimed to study the effect of head-lift exercise on the neck strength and swallowing function in patients with stroke. METHODS: Our study included 20 patients with stroke hemiparesis. All patients were randomly allocated to either the head-lift exercise or the conventional swallowing therapy group, and each group included 10 patients. All patients underwent the exercise over a mean period of 30 min daily for 6 weeks. Neck strength and swallowing function were assessed prior to and 6 weeks following the training period. We used a paired t-test to compare the within-group change before and after the intervention. We used an independent t-test to compare the between-group difference. The statistical significance level was set at α=.05 for all variables. RESULTS: The head-lift exercise group showed a significant within-group change in terms of the neck strength and swallowing function (p<.05). The conventional swallowing therapy group also showed a statistically significant change (p<.05). A statistically significant difference was observed between the head-lift exercise and the conventional swallowing therapy group with regard to the change in both, the neck strength and swallowing function after application of the intervention (p<.05). CONCLUSION: This study provides valuable information for future studies in this field. Further studies involving a wider range of patients and a longer experiment span are required to strengthen the results of our study.