• 한국응용과학기술학회지
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• 제38권2호
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• pp.532-542
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• 2021

본 연구의 목적은 골프 스윙 시 3가지 스탠스에서 클럽헤드 스피드와 볼의 정확성을 유지하기 위한 신체 전략을 하지의 운동학적 변인과 지면반력 변인을 통하여 알아보고자 하였다. 연구의 대상은 공식 핸디캡이 2인 남자골프선수 10명으로 하였다. 모든 대상자들은 스탠스 조건(스퀘어, 오픈, 클로즈드)에 따라 어드레스 자세를 유지한 후 스윙을 수행하였다. 3차원 동작분석 시스템과 지면반력기를 이용하여 각 스탠스에 따라 7번 아이언 풀스윙을 수행한 결과를 산출하였다. 연구결과로 신체중심의 변위, 고관절 각변위, 무릎관절 각변위는 차이가 나타나지 않았다. 발목관절 각변위는 어드레스부터 다운스윙까지 왼쪽에서 오픈 스탠스가 저측굴곡이 크게 수행되었고, 오른쪽에서 클로즈드 스탠스에서 저측굴곡이 크게 수행되었다. 지면반력에서 전후, 수직은 차이가 없었지만, 어드레스부터 테이크백까지 왼발은 오른쪽 방향, 오른발은 왼쪽 방향의 힘이 오픈이 클로즈드 스탠스보다 크게 나타났다. 결론적으로 다양한 스탠스에도 불구하고, 임팩트 시 동일한 자세를 유지하는 것이 클럽헤드 스피드와 볼의 방향에 긍정적으로 작용되는 것으로 판단된다.

• Archives of Plastic Surgery
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• 제34권5호
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• pp.557-561
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• 2007

Purpose: Malignant melanoma is a fatal tumor arising in the melanocytic systems of the skin. The incidence of malignant melanoma, formerly considered a rare tumor in Korea, is observed to increase. The aim of this study is to analyze the clinical and histopathological pattern of malignant melanoma in one institute. Methods: Thirty patients with ages ranging from 33 to 80 years, diagnosed as malignant melanoma at our skin tumor department, were enrolled in a retrospective study over a 6 year period(2000. 9-2006. 7). The analyzed data included age, sex, location, duration before diagnosis, clinical type, level of invasion, and stage. Results: The cases were identified and analyzed by clinical and histopathologic study. The male to female ratio was 1:1.7. Lower extremities(especially, feet) were favored sites. The majority of cases were acral lentiginous melanoma(40%), followed by nodular melanoma (36.7%), superficial spreading melanoma(20%) in this study. Clark level IV was predominant in histopathologic study. There was merely narrow gap among each stage by AJCC. Conclusion: The clinicopathological characteristic of melanoma in our patients is quite different with that in the West. In this retrospective study, primary lesions of the foot were predominant with melanoma, and a high percentage of these were classified pathologically as acral lentiginous melanomas. Patients had a more advanced stage of disease at first presentation and a more deeply invasive primary lesion than Western patients. These suggest that malignant melanoma has a worse prognosis in our patients than in the West. So, further organized prospective studies are needed to approach the prudent and accurate diagnosis and management of melanoma in Korea.

• 한국의류학회지
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• 제23권4호
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• pp.499-509
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• 1999

This study was carried out to investigate the effects of wearing disposable diaper with the endothermic agent on thermoregulatory response of infant. Five healthy female infants aged about 5 months were taken as a subject of this experiment. Experimental diapers were six kinds of disposable diaper constructed of nonwoven tissue, fluff pulp, super absorbent polymer, back sheet film, leg elastic, and 0g urea(A) 1g urea(B) , 2g urea(C), 3g urea (D), 4g urea(E) 5g, urea(F) respectively. Urea(98% or over purity) was used as an endothermic agent. Experiment was proceeded while infants were sleeping at 27.5$\pm$0.5$^{\circ}C$, 50$\pm$5% R.H, 0.04m/sec. Each disposable diaper's properties was tested. During the experiment rectal temperature skin temperature of 9 areas temperature inside the disposable diapers were measured, the results were as follows : 1) There was not significant difference among the diapers in absorption capacity retention capacity and rewet(p=0.05). The absorption under load was showed to A, B,

• 한국전문물리치료학회지
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• 제12권3호
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• pp.22-30
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• 2005

This study was designed to identify the effect of various decline boards and postures of lower extremities on surface electromyographic (EMG) activity of knee muscles during isometric single-leg decline squat exercises. The subjects were twenty young male adults who had not experienced any knee injury and their Q-angles were within a normal range. They were asked to perform single-leg decline squat exercises in five various conditions. The EMG activities of the gluteus maximus (GM), vastus lateralis (VL), vastus medialis (VMO), tibialis anterior (TA), and gastrocnemius (GCM) muscles were recorded in five various single-leg decline squat exercises by surface electrodes and normalized by maximal voluntary isometric contraction (MVIC) values. The normalized EMG activity levels were compared using one-way ANOVA with repeated measures. The results of this study were as follows: 1) Exercises 2 and 4 produced significantly greater EMG activity of VMO than did exercise 1 ($p_{adj}$<.05/10), 2) The VMO/VL ratio of EMG activity of exercise 4 was the highest, producing a significantly greater ratio than exercise 1 ($p_{adj}$<.05/10). These results show that single-leg lateral oblique decline squat exercise is the best exercise for selective strengthening of VMO, and the posture of the contralateral leg does also affect strengthening of VMO, but we'll need to research patellofemoral joint compression for clinical application of single-leg lateral oblique decline squat exercises.

• 재활복지공학회논문지
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• 제7권2호
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• pp.85-90
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• 2013

복부 중심근육(core muscle)은 근골격계 및 신경계 환자의 재활에 있어 통증, 균형 및 상 하지의 기능적 움직임을 이끌어내는데 중요한 역할을 한다. 본 연구에서는 복부 운동근(global muscle)인 배곧은근과 고정근(local muscle)인 배가로근, 배속빗근 및 배바깥빗근의 두께 및 근력을 증가시킬 목적으로 저주파 전기자극기를 개발하였다. 연구대상자는 20대 여성 15명으로, 대조군과 실험군(기존제품 사용군 및 개발제품 사용군)으로 나뉘었다. 실험군에서는 저주파 전기자극을 4주 동안 주 4회, 30분씩 시행한 후 근전도 및 초음파 검사를 하였다. 연구 결과, 대조군, 기존제품 사용군, 개발제품 사용군의 세 군 중 개발제품 사용군에서 배곧은근의 근활성도가 의미있게 증가하였다(p<.05). 초음파로 측정된 근육 두께 변화율에서는 기존제품 사용군에서는 배가로근이, 개발제품 사용군에서는 배가로근과 배바깥빗근이 모두 유의하게 증가하였다(p<.05). 본 연구 결과를 통해 심각한 중추신경계 손상으로 인해 자발적인 근수축이 어렵거나 허리 수술 후 재활운동의 시작단계를 위해 근거 중심의 선택적 저주파 전기자극은 효과적인 중재방법의 하나로써 활용가치가 있다고 사료된다.

• Maxillofacial Plastic and Reconstructive Surgery
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• 제35권6호
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• pp.437-447
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• 2013

The fibula is one of the most useful sources for harvest of a vascularized bone graft. The fibula is a straight, long, tubed bone, much stronger than any other available bone that can currently be used for a vascularized graft. It has a reliable peroneal vascular pedicle with a large diameter and moderate length. There is a definite nutrient artery that enters the medullary cavity, as well as multiple arcade vessels, which add to the supply of the bone through periosteal circulation. The vascularized fibula graft is used mainly for long segment defects of the long tubed bone of the upper and lower extremities. It can provide a long, straight length up to 25 cm in an adult. The fibula can be easily osteotomized and can be used in reconstruction of the curved mandible. Since the first description as a vascularized free fibula bone graft by Taylor in 1975 and as a mandibular reconstruction by Hidalgo in 1989, the fibula has continued to replace the bone and soft tissue reconstruction options in the field of maxillofacial reconstruction. For the better understanding of a fibular free flap, the constant anatomical findings must be learned and memorized by young doctors during the specialized training course for the Korean National Board of Oral and Maxillofacial Surgery. This article reviews the anatomical basis of a fibular free flap with Korean language.

• 대한물리의학회지
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• 제8권3호
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• pp.407-415
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• 2013

PURPOSE: This study is to examine the effects of different types of tasks on gait functions of chronic stroke patients when different types of dual tasks were applied while the patients were implementing practical and continuous circuit tasks using their upper and lower extremities circulating many workbenches. METHODS: Forty-four chronic stroke patients were divided into a dual motor circuit task training group, a dual cognitive circuit task training group and a simple task training group. Before training, all the patients were identically encouraged to receive conservative physical therapy for 30 minutes by a physical therapist were thereafter made to train for 30 minutes, five times a week for a total of eight weeks with individual additional tasks. The dual motor circuit task training consisted of continuous circuit training motor tasks and additional motor tasks and the dual cognitive circuit task training consisted of tasks combining the same circuit training motor tasks and additional cognitive tasks. The simple task training consisted of natural walks on a flat terrain to the front, rear and lateral sides of the terrain. Changes in functional gait abilities made through the training were evaluated using GAITRite. SPSS Win 12.0 was used for the data analysis. RESULTS: As for the gait variables that showed significant differences in comparison between the groups over the training period, the dual motor circuit task training group showed more significant differences than the dual cognitive circuit task training group and the simple task training group at 4 weeks and 8 weeks of training(p<.05). CONCLUSION: Therefore, it could be seen that the practical and continuous dual circuit task training was more effective than simple task training on gait. In comparison between the types of dual tasks, the dual motor circuit task training group showed more effects than the dual cognitive circuit task training group.

• 임상간호연구
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• 제22권3호
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• pp.249-256
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• 2016

Purpose: The purpose of this study was to examine the effect of leg raising and peripheral excercise on recovery of the patients who were applied with dexmedetomidine for their dental surgery. Methods: There were two groups, the experimental group (n=35) and control group (n=35), in this study. We checked blood pressure, pulse rate, oxygen saturation, sedation level and symptoms such as dizziness and somnolence every 30 minutes. These parameters were assessed throughout the participants' recovery room stay. Leg raising and peripheral excercise were conducted in the experimental group in the recovery room. We have conducted chi-square test, Fisher's exact test, t-test, ANOVA, and ANCOVA to compare the measured parameters in both groups. Results: The experimental group showed a significant elevation of mean arterial blood pressure, and mitigation of somnolence, sedation and dizziness compared to the control group. Conclusion: Leg raising and peripheral exercise is effective to expedite recovery in the patients who were applied with dexmedetomidine for their dental surgery.

• 한국직업건강간호학회지
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• 제14권2호
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• pp.118-128
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• 2005

A cross-sectional study was conducted to examine the prevalence and related factors of musuculoskeletal symptoms in automobile manufacturing, steel processing, electric assembly line, and wood processing industries. A study subjects were 3,434 workers from small and medium scale companies of Incheon. Walk-through surveys were performed from Feb. of 2004 to Oct. of 2004 to investigate various physical work factors. Symptom prevalence rate by related factors was that women worker showed higher rate than man, and married person was higher than single person. For the working year, group of person who were working less than 3 year showed the highest rate. However, the group of person who were working more than 10 hour per day showed the highest rate. For the total subjects, prevalence of symptoms by body area was as follows: shoulder symptoms were the most frequently reported symptoms(253 person, 7.0%), followed by back(155 person, 4.5%), hand or fingers (136 person, 4.0%), lower extremities(131 person, 3.9%), neck(108 person, 3.1%), and elbow symptoms(97 person, 2.8%).

• 한국융합학회논문지
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• 제11권4호
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• pp.87-93
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• 2020

본 연구는 신체적 특성과 기능적 움직임 검사(FMS)의 융합적 상관관계에 대해 알아보고자 한다. 연구대상자는 정상 성인으로 193명을 대상으로 단일측정하였다. 자료분석은 SPSS 26.0 Ver 프로그램으로 T-검증을 실시하였고, 각 변수들 간 피어슨 상관계수로 분석을 하였다. 분석결과, 검사 방법 중 능동 뻗은 다리 올림 검사와 몸통 안정성 푸쉬업 검사 영역에서 성별 간에 유의한 차이가 나타났다(P<.05). 어깨 가동성 검사와 능동 뻗은 다리 올림 검사 영역을 제외한 나머지 FMS의 검사에서 체지방률과 부적 상관관계가 있었다. 능동 뻗은 다리 올림에서 여성이 기능적 움직임의 질이 높았으며, 몸통 안정성 푸쉬업에서는 남성이 기능적 움직임의 질이 높았다. 그러므로 남성은 하지의 유연성을 보강해야하며, 여성은 상체 근력과 몸통의 안정성 운동을 적용해야 한다고 판단된다.