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Wansuk Choi,Taeseok Choi,Seoyoon Heo,Wooram Lee 국제물리치료연구학회 2019 Journal of International Academy of Physical Ther Vol.10 No.4
Background: Because of the lack of accurate values for applied forces in manual therapy, manual therapists relies on the magnitude of the individual’s perception during applying the force. However, excessive loading maneuvers carry risks for patients. Objective: To establish the relationship between the maximal force applied to swine skin with the specific region, sex, and baseline parameters of the subject. Design: Ex-vivo Study and laboratory Experimental research Methods: 3.5 kg of Korean pork sirloin that is a piece of swine was handled and it was set 3 dimensions; #A; #B; #C. Forty-seven participants who has no experience in physical therapy randomly carried out the experiment, indicated to push each place of the pressure spots with same posture and process under supervision from the instructor who has over 15 years of manual therapy, and we measured the pressure force in each time. Results: The biggest pressure force was recorded in spot #A, and #B was represented after #C. Pressure on #A showed certain statistic relation with height (r=.317, p<.05) and weight (r=.434, p<.01); pressure on #B showed certain relation which has statistical meaning with only height (r=.401, p<.01); pressure on #C emerged to have statistic relationship with height (r=.308, p< .05)and weight (r=.428, p<.01). The age aspect revealed relation with pressure on #A, #B and #C, but that was not statistically significant. Conclusions: It can be inferred that there is the most loss of pressure in the area where cartilage is like an island in the middle.
Wansuk Choi,Taeseok Choi,Hojung An,Jisung Kim,Seoyoon Heo 국제물리치료연구학회 2020 Journal of International Academy of Physical Ther Vol.11 No.2
Background: The effect of mobilization on lumbar back pain has been fully described in several clinical aspects, but evidence for muscle strength would be still less clear. Objective: To assess the effect of lumbar mobilization on lower limb strength in healthy individuals. Methods and Analysis: Healthy people aged 18-65 will be included regardless of race or sex. Original peer-reviewed primary reporting randomized controlled trials (RCTs) will be included. Electronic databases, such as MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Web of Science, Pedro, CINAHL, ClinicalTrials.gov will be searched from inception until July 30. Only studies published in English will be included in this review. Two reviewers will complete the screening for eligibility independently, and the other two reviewers will also complete the risks of data extraction and bias assessment independently. Lower Limb strength will be assessed as primary outcome, and particular intervention or participant characteristics will be assessed as the secondary outcomes. Meta-analysis will be conducted using Review Manager 5.3.3, and evidence level will be assessed using the method for Grading of Recommendations Assessment, Development and Evaluation. Outcomes will be presented as the weighted mean difference or standardized mean difference with 95% CI. If I2 ≤ 50%, P>.1, the fixed effect model will be used, otherwise, random-effects model will be used. Ethics and dissemination: This review might not be necessary ethical approval because it does not require individual patient’s data; these findings will be published in conference presentations or peer-reviewed journal articles. PROSPERO registration number: CRD42020150144.
칼텐본-에비엔즈컨셉의 어깨관절 아래쪽미끄러뜨림 적용시 관절의 이동성 연구
( Wansuk Choi ),( Juhyun Park ),( Bongjae Jung ),( Okkon Moon ),( Kyungok Min ),( Hojung An ) 한국방사선학회 2012 한국방사선학회 논문지 Vol.6 No.5
본 연구는 오른쪽 어깨관절에 칼텐본-에비엔즈컨셉 미끄러뜨림 등급Ⅱ와 Ⅲ으로 아래쪽미끄러뜨림 적용시 위팔뼈 머리의 이동거리 및 벌림각도(abduction angle)의 변화를 알아보고자 하였다. 미끄러뜨림 등급Ⅱ(Grade Ⅱ) 적용시 위팔뼈머리는 초기보다 아래쪽으로 5㎜ 가량 이동하였고 등급Ⅲ 적용시 8㎜ 가량 이동하였다. 이동거리에 대한 성별 비교에서는 남자가 여자에 비해 등급별로 이동거리가 높게 나타났으나 통계적으로 유의한 차이는 나타나지 않았다. 등급 Ⅱ(Grade Ⅱ) 적용시 벌림각도는 초기보다 10°가량, 등급Ⅲ(Grade Ⅲ) 적용시 12°가량 증가하였다. 벌림각도에 대한 성별 비교에서는 모든 등급별로 여자가 남자보다 벌림각도가 크게 나타났으나 통계적으로 유의한 차이는 나타나지 않았다. 본 연구를 통해 미끄러뜨림 등급 적용시 위팔뼈머리의 운동형상학적 변화를 알아보았으며 향후 추가 연구를 통해 이들 변화가 주변 구조물에 미치는 영향에 대해 알아본다면 보다 과학적인 근거중심의 치료를 기대할 수 있을 것으로 사료된다. This study aimed at identifying changes in the acromiohumeral distance (AHD) and abduction angle of the arm when the caudal gliding gradeⅡ and Ⅲ of Kaltenborn-Evjenth ConceptⓇ are applied to the right glenohumeral joint. The humeral head moved down about 5㎜ from the initial position when the gliding gradeⅡ was applied, and about 8㎜ from the initial position when the gliding gradeⅢ was applied. Although men showed a higher acromiohumeral distance per grade than women in comparisons by gender for the acromiohumeral distance, there was no significant difference in statistics. The Abduction angle improved about 10° from the initial angle when the gliding gradeⅡ was applied, and about 12° from the initial angle when the gliding gradeⅢ was applied. Although women showed the abduction angle greater than men for every grade in comparisons by gender for the abduction angle, there was no significant difference in statistics. Based on the aforesaid findings, the extent of kinematic changes in the humeral head could be identified when the gliding grades were applied. Accordingly, it is considered that more scientific evidence based treatments could be expected if influences on the surrounding structures by these changes could be learned through more studies in the future.
Wansuk Choi,Seoyoon Heo 국제물리치료연구학회 2019 Journal of International Academy of Physical Ther Vol.10 No.2
Background: Cervical mobilization has been applied mainly for the improvement of arm and neck movements and pain reduction, and little research has been done to improve the executive function. Since this kind of so-called mechanical neck pain is one of most common symptoms, there are controversial issues about this with spine alignment. Posteroanterior (PA) mobilization from the Maitland concept is a process of examination, assessment, and treatment of neuromusculoskeletal disorder by manipulative physical therapy. Objective: To examine the short-term benefits of mobilization for patients with non-specific neck pain. Design: Dual-group Pretest-Posttest Design from the Quasi-Experimental research Methods: Fourteen participants (male 8, female 6; 20’s of their age) with nonspecific neck pains which are distributed all the unilateral or bilateral body side were recruited. Participants were categorized to Neck Pain with Movement Coordination Impairments (NPMCI) and Neck Pain with Mobility Deficits (NPMD) groups according to the results of physical examination. Professional physical therapist who has over 15-years-of clinical experience applicated manipulative therapy for the neck pain, an occupational therapist only conducted evaluations; K-NDI (Korean version of the Neck Disability Index), VAS (Visual Analog Scale), BDS-K (Korean version of Behavioral Dyscontrol Scale) for decreasing possible adverse effects; there were no person who reported other symptoms followed 4 weeks from the trial. Results: In the NPMCI group, data analysis indicated statistical differences between the PA mobilization interventions in NDI and BDS-K; even though, pain was reduced in VAS, this is not a significantly differ. In the NPMD group, data analysis represented statistical differences between the PA mobilization interventions in NDI, VAS and BDS-K; the scores were represented to be increased or the pain got relief. Conclusions: PA mobilization techniques according to Maitland concept have beneficial effects in patients with neck pain and other clinical positive effects which included neck disability, pain itself and motor function of upper extremity.
Deep Learning Frameworks for Cervical Mobilization Based on Website Images
Choi, Wansuk,Heo, Seoyoon International Academy of Physical Therapy Research 2021 Journal of International Academy of Physical Ther Vol.12 No.1
Background: Deep learning related research works on website medical images have been actively conducted in the field of health care, however, articles related to the musculoskeletal system have been introduced insufficiently, deep learning-based studies on classifying orthopedic manual therapy images would also just be entered. Objectives: To create a deep learning model that categorizes cervical mobilization images and establish a web application to find out its clinical utility. Design: Research and development. Methods: Three types of cervical mobilization images (central posteroanterior (CPA) mobilization, unilateral posteroanterior (UPA) mobilization, and anteroposterior (AP) mobilization) were obtained using functions of 'Download All Images' and a web crawler. Unnecessary images were filtered from 'Auslogics Duplicate File Finder' to obtain the final 144 data (CPA=62, UPA=46, AP=36). Training classified into 3 classes was conducted in Teachable Machine. The next procedures, the trained model source was uploaded to the web application cloud integrated development environment (https://ide.goorm.io/) and the frame was built. The trained model was tested in three environments: Teachable Machine File Upload (TMFU), Teachable Machine Webcam (TMW), and Web Service webcam (WSW). Results: In three environments (TMFU, TMW, WSW), the accuracy of CPA mobilization images was 81-96%. The accuracy of the UPA mobilization image was 43~94%, and the accuracy deviation was greater than that of CPA. The accuracy of the AP mobilization image was 65-75%, and the deviation was not large compared to the other groups. In the three environments, the average accuracy of CPA was 92%, and the accuracy of UPA and AP was similar up to 70%. Conclusion: This study suggests that training of images of orthopedic manual therapy using machine learning open software is possible, and that web applications made using this training model can be used clinically.
BSC 성과관리시스템 운영실태와 성과에 대한 사례연구 : 한국관광공사 사례
고완석(Wansuk Ko),육근효(Keun Hyo Yook),함경준(Kyung-Jun Ham) 한국관리회계학회 2010 관리회계연구 Vol.9 No.3
본 연구에서는 한국관광공사에서 채용한 BSC의 도입과정, 운영내용, 운영성과 등을 분석ㆍ평가하고, 특히 도입운영과정에서의 애로요인과 그것을 극복하는 과정을 검토하였다. 이 과정에서 성공요인의 분석과 함께 현재 잔존하고 있는 문제점을 파악하고, 여기에 대한 향후 대처방안 등을 살펴봄으로써, 관광공사 자체의 자기평가의 기회를 제공하고 다른 공공기관이나 비영리단체들이 BSC를 실행하는 데 있어 이정표가 될 수 있는 유용한 정보를 제공하고자 한다. This study analyzed and evaluated the adoption process, operational details, and the performance of the BSC (Balanced Scorecard) system that Korea Tourism Organization adopted for the organizational performance evaluations. We especially examined the hurdle factors in the adoption and operation process, and the experiences of overcoming them. By doing so, the study analyzed the success factors of the BSC adoption and any problems that the organization still has to cope with. and eventually provides the self-review opportunity for Korea Tourism Organization and useful information for other public/governmental and not-for-profit organizations that may have plans to implement the BSC system.
김완석(WanSuk Gim),김민애(MinAe Kim) 한국콘텐츠학회 2018 한국콘텐츠학회논문지 Vol.18 No.9
본 연구의 목적은 명상기반 중재 프로그램에서 자가수련을 촉진하기 위한 명상어플리케이션을 개발하고 그 효과를 검증하려는 것이다. 명상기반 중재 프로그램들은 대체로 자가수련을 강조하는데, 자가수련의 동기를 높이고 자가수련을 더 할 수 있도록 하는 것은 중요한 문제이다. A 대학 교양강좌에 참여한 대학생들을 대상으로 8주간 한국형 마음챙김기반 스트레스 감소(K-MBSR) 프로그램을 실시하였다. 실험집단(N = 22)은 명상어플리케이션을 제공하고 비교집단(N = 19)은 명상어플리케이션을 제공하지 않았다. 자가수련량은 참여자들이 기록한 수련일지를 토대로 수련시간을 계산하였다. 집단 간 심리적 효과의 차이를 확인하기 위해 마음챙김, 신체자각의 하위요인(감각자각, 감각복귀), 삶의 만족, 수용행동, 수면의 질을 사전과 사후에 측정하였다. 자가수련량은 실험집단이 비교집단에 비해 유의하게 더 많았다. 명상 효과는 실험집단이 비교집단에 비해 마음챙김, 신체자각, 삶의 만족, 수용행동, 수면의 질에서 더 높았다. 본 연구의 결과는 명상어플리케이션이 명상기반 중재 프로그램의 효과를 증진하는 보조수단으로서 유용함을 입증하는 것이다. 향후 연구를 위한 제언을 논의하였다. The purpose of this study is to develop a meditation application to promote home practice in a meditation-based intervention program and test its effects. In most cases, meditation-based intervention programs put an emphasis on home practice, which means it is an important matter to increase motivation for home practice and encourage people to do home practice more. The investigator administered an eight-week Korean Mindfulness-based Stress Reduction (K-MBSR) program to college students participating in a liberal arts course at A University. While the experiment group (N = 22) received a meditation application, the comparison group (N = 19) received no meditation application. The amount of home practice was measured based on the practice logs kept by the participants. The difference in psychological effects between the groups was checked by measuring mindfulness, subfactors (noticing and return to body) of body awareness, life satisfaction, acceptance action, and sleep quality before and after the experiment. The findings show that the experiment group recorded significantly greater amounts of home practice than the comparison group. As for the effects of meditation, the experiment group recorded higher points in mindfulness, body awareness, life satisfaction, acceptance action, and sleep quality than the comparison group. These findings demonstrate that a meditation application can be useful as a means of assistance to promote the effects of a meditation-based intervention program. The study also discussed proposals for a follow-up study.