• 한국전문물리치료학회지
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• 제29권3호
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• pp.241-248
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• 2022

Background: The PyeongChang 2018 Winter Paralympic Games (WPG) being one of the most successful Paralympic Games (PG) in modern athletic world history, hosted the largest number of elite athletes representing 49 National Paralympic Committees (NPCs). Objects: The present investigation highlighted the demographic and clinical characteristics of injured athletes and non-athletes and the physiotherapy services provided during the PyeongChang 2018 WPG. Methods: Prospective descriptive epidemiology study, in which the study group comprised of 201 participants (51 athletes and 150 non-athletes) who were admitted to and utilized the polyclinic physiotherapy service of 2018 PyeongChang WPG in Physiotherapy Department of Paralympic Village from March 1, 2018 to March 20, 2018. Results: Qualitative frequency analysis of injury type demonstrated highest number of chronic injuries (51%, n = 100) in athletes and non-athletes. Anatomical injury site analysis revealed that the spine and shoulder areas were affected with equal frequency for athletes (54.9%, n = 14), whereas for non-athletes, the frequencies of spine and shoulder area injuries were 36.7% (n = 55) and 26% (n = 39), respectively. The Pyeongchang WPG showed a high rate of athletes visiting the physiotherapy service during the pre-competition period (33.3%, n = 50), which may have led to smaller incidence rate of traumatic injury. The physiotherapy treatment service analysis demonstrated that manual therapy (35.4%, n = 230) was most commonly utilized, followed by transcutaneous electrical nerve stimulation/interference current therapy (TENS/ICT), therapeutic massage and therapeutic exercise. Conclusion: We established the importance of prophylactic and preventive physiotherapy services to reduce the risk of sports injuries during WPG.

• 대기
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• 제32권2호
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• pp.163-178
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• 2022

This study aims to evaluate the accuracy of retrieved horizontal winds with different quality control methods from three Doppler lidars deployed over the complex terrain during the PyeongChang 2018 Olympic and Paralympic games. To retrieve the accurate wind profile, this study also proposes two quality control methods to distinguish between meteorological signals and noises in the Doppler velocity field, which can be broadly applied to different Doppler lidars. We evaluated the accuracy of retrieved winds with the wind measurements from the nearby or collocated rawinsondes. The retrieved wind speed and direction show a good agreement with rawinsonde with a correlation coefficient larger than 0.9. This study minimized the sampling error in the wind evaluation and estimation, and found that the accuracy of retrieved winds can reach ~0.6 m s^-1 and 3° in the quasi-homogeneous wind condition. We expect that the retrieved horizontal winds can be used in the high-resolution analysis of the horizontal winds and provide an accurate wind profile for model evaluation or data assimilation purposes.

• 한국게임학회 논문지
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• 제19권2호
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• pp.45-54
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• 2019

본 연구에서는 장애이해교육으로서의 게임화된 장애체험활동의 효과를 알아보기 위해, 초등학생을 대상으로 게임화된 수업을 실시하고 장애에 대한 태도에 미치는 영향을 알아보았다. 중재는 장애아동과 일반아동이 함께 하는 통합체육 수업으로 내용은 장애인 스키와 관련한 영상시청, 스키장비 체험, 장애/비장애 아동간의 협력적 게임 등이 포함되었다. 비교집단이 있는 사전, 사후 준실험연구를 실시한 결과, 비교집단에 비해 실험집단의 장애에 대한 태도가 긍정적으로 변화한 것으로 나타났다.

• 한국융합학회논문지
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• 제9권6호
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• pp.235-240
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• 2018

본 연구의 목적은 대한민국에서 성공적인 개최를 한 제8회 1988년 서울 패럴림픽 대회부터 다가올 제12회 2018년 평창 동계 패럴림픽 개최를 중심으로 보도되는 대중매체를 중심으로 텍스트를 분석하여 최근 증가하고 있는 장애의 유형을 분석해 봄으로서 현재의 패럴림픽에 대한 관심도와 패럴림픽의 향후 발전 방향을 제시하는데 목적이 있다. 수집된 자료를 분석한 결과는 첫째, 방송/통신 분야가 21%로 제일 많았으며 둘째, 지적장애가 지체장애보다 2배 이상 보도되었다. 이는 단순한 휠체어를 상징하는 신체적 장애인의 참여뿐 아니라 정신적 장애의 장애유형의 참여가 많아지고 있음을 의미한다. 결론적으로 대중매체의 양적증가의 흐름을 통해 적극적이고 지속적인 보도와 분석을 통하여 패럴림픽에 많은 장애인들이 참여할 수 있는 계기와 장애인들만의 축제가 아닌 대한민국 전체의 축제로 보고 긍정적으로 인지시킬 수 있는 계기가 되어야 할 것이다.

• The Journal of Korean Physical Therapy
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• 제31권4호
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• pp.228-235
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• 2019

Purpose: This study examined the injury and rehabilitation of athletes with disabilities in racket sports projects (i.e., badminton, table tennis, and wheelchair tennis). In addition, the characteristics of each project and the differences among those projects are discussed. Methods: Business team athletes with disabilities in racket sport were enrolled as subjects (i.e., 19 badminton athletes, 19 table tennis athletes, and 19 wheelchair tennis athletes). The real conditions of the injury, injury severity, injury site, symptoms, and rehabilitation methods after injury were analyzed. Results: No significant differences were observed among the actual condition, injury severity, symptoms and the methods of rehabilitation on racket sport for athletes (i.e., badminton, table tennis, and wheelchair tennis athletes) with disability. The differences were focused mainly on the injury sites due to the characteristics of the different projects, and specific technical actions. Conclusion: This study examined the real condition of the injury, injury severity, injury site, symptoms and rehabilitation methods after the injury on the rackets (i.e., badminton, table tennis, and wheelchair tennis) athletes with disabilities. The data can be used to eliminate the incidence of injury and minimize the injury severity for racket athletes with disabilities. In addition, it can also be used for the disabled, who like racket projects, as the fundamental material to prevent injury and assist in recovery.

• 디지털콘텐츠학회 논문지
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• 제19권6호
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• pp.1061-1068
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• 2018

디자인은 이미 우리 삶속에 없어서는 안 될 요소로 많은 영역에 다양한 형태로 존재한다. 다양한 디자인이 생성되면서 디자인의 가치 정립(아이덴티티)의 더욱 중요해졌고, 개발된 디자인을 바르게 사용하고 배포 관리하여 일관성을 유지하는 것도 개발만큼 중요한 일이 되었다. 국가적 차원에서 유치하여 치러진 2018 평창 동계올림픽대회 및 동계패럴림픽대회는 다양한 콘텐츠를 생성하고 운영하여 전 세계에 대한민국을 알리는 중요한 역할을 하였다. 한국적 특성을 잘 반영 할 수 있는 '한글'을 모티브로 개발된 엠블럼과 대회 룩, 대회의 정체성을 잘 드러낸 마스코트 등을 만들었다. 생성된 콘텐츠들은 사용자(후원사, 언론, 유관기관 등)의 편의성을 고려하여 디자인 가이드로 만들어져 디자인 배포 시스템(DDS)을 통하여 관리되었다. 본 연구자는 POCOG의 DDS를 운영하여 얻어진 결과를 토대로 디자인 배포 및 관리 시스템의 효용성과 가치를 판단하고자 한다.

• 국제물리치료학회지
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• 제8권1호
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• pp.1114-1121
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• 2017

The purpose of this study was to investigate the effects of hypobarichypoxic training program on competitive performance. This was done by observing their conditioning and measuring their blood constituents before and after a multi-staged intermittent training program, over 2 weeks. Three national handicapped cyclists were placed in a multi-leveled hypobaric-hypoxic (flat-4000 meter (m) high elevation) environment with consistent temperature and humidity ($23{\pm}2^{\circ}C$, $50{\pm}5%$) for 2 weeks. After the training, the blood constituents and average heart rate (HR) were measured and the following results were obtained. In all three athletes, there were no unique changes in red blood cell count, hemoglobin, and hematocrit, while there was a rise in the reticulocyte count. Observations of the difference in average HR during exercise at varying altitudes showed that athlete A had an average increase in the HR for the first 5 days at 2000 m. For athlete B, the comparison of the first and last training sessions at an altitude of 2000 m showed an HR increase of approximately 17%. For athlete C, there was a steady increase in the HR until day 7 of the training. As such, hypobaric-hypoxic training suggested that improvement of aerobic exercise performance in these athletes and it is recommended that there be a development for future training programs at high altitude, geared towards handicapped athletes of various disciplines.

• Journal of Electrical Engineering and Technology
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• 제12권4호
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• pp.1641-1648
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• 2017

Many researchers had examined the validity of using the high-to-low ratio between two fixed frequency band amplitudes (H/L-FFB) from the surface electromyography of a face and body as the first spectral index to assess muscle fatigue. Despite these studies, the disadvantage of this index is the lack of a criterion for choosing the optimal border frequency. We tested the potential of using the high-to-low ratio between two signal spectral moments (H/L-SSM), without fixed border frequencies, to evaluate muscle fatigue and predict endurance time ($T_{end}$), which was determined when the subject was exhausted and could no longer follow the fixed contraction cycle. Ten healthy participants performed five sets of voluntary isotonic contractions until they could only produce 10% and 20% of their maximum voluntary contraction (MVC). The $T_{end}$ values for all participants were $138{\pm}35s$ at 10% MVC and $69{\pm}20s$ at 20% MVC. Changes in conventional spectral indices, such as the mean power frequency (MPF), Dimitrov spectral index (DSI), H/L-FFB, and H/L-SSM, were extracted from surface EMG signals and were monitored using the initial slope computed every 10% of $T_{end}$ as a statistical indicator and compared as a predictor of $T_{end}$. Significant correlations were found between $T_{end}$ and the initial H/L-SSM slope as computed over 30% of $T_{end}$. In conclusion, initial H/L-SSM slope can be used to describe changes in the spectral content of surface EMG signals and can be employed as a good predictor of $T_{end}$ compared to that of conventional spectral indices.

• 한국산학기술학회논문지
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• 제17권11호
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• pp.691-700
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• 2016

본 연구는 젊은 여성을 대상으로 필라테스 운동이 하지 근력과 밸런스에 미치는 영향을 규명하는데 연구 목적을 두고 실시하였다. 20명의 젊은 여성들을 대상으로 통제군 10명, 필라테스 운동군 10명으로 2개 집단을 분류하여 실험 절차에 따라 진행하였다. 필라테스 운동군은 운동프로그램에 따라 주 3회의 빈도로 매 회 60분, 총 8주 동안 운동을 실시하였다. 통제군과 필라테스 운동군은 실험 전 후로 신체구성 측정과 하지 등속성 근력 측정, 신체 밸런스 측정을 하였다. 측정한 자료를 통계적으로 분석한 결과 다음과 같은 결론을 얻었다. 필라테스 운동 집단이 운동 실시 8주 후, 신체구성 변화에서 근육량이 유의한 증가가 있었다(p<.01). 슬관절 근 기능 변화에서는 $60^{\circ}/sec$에서 오른쪽 신근 최대근력과 오른쪽 신근 총 일량이 5% 수준에서 유의한 증가가 있었다(p<.05). 또한 $180^{\circ}/sec$에서는 왼쪽 굴근 최대근력이 5% 수준에서 유의한 증가가 있었다(p<.05). 마지막으로 밸런스의 변화에서는 집단 내 비교에서 오른발 밸런스에서(p< .01), 공분산분석 결과에서는 양발과 오른발 밸런스 변화에서 통계적으로 유의한 증가가 있었다(p<.05). 결론적으로 8주 동안의 필라테스 운동은 신체구성과 하지 등속성 근력과 밸런스에 긍정적인 영향을 미치는 것으로 확인되었다.

• 대기
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• 제28권4호
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• pp.369-382
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• 2018

Planetary boundary layer height (PBLH), produced by the Local Data Assimilation and Prediction System (LDAPS), was verified using RawinSonde (RS) data obtained from observation at Daegwallyeong (DGW) and Sokcho (SCW) during the International Collaborative Experiments for Pyeongchang 2018 Olympic and Paralympic winter games (ICE-POP 2018). The PBLH was calculated using RS data by applying the bulk Richardson number and the parcel method. This calculated PBLH was then compared to the values produced by LDAPS. The PBLH simulations for DGW and SCW were generally underestimation. However, the PBLH was an overestimation from surface to 200 m and 450 m at DGW and SCW, respectively; this result of model's failure to correctly simulate the Surface Boundary Layer (SBL) and the Mixing Layer (ML) as the PBLH. When the accuracy of the PBLH simulation is low, large errors are seen in the mid- and low-level humidity. The highest frequencies of Planetary boundary layer (PBL) types, calculated by the LDAPS at DGW and SCW, were presented as types Ι and II, respectively. Analysis of meteorological factors according to the PBL types indicate that the PBLH of the existing stratocumulus were overestimated when the mid- and low-level humidity errors were large. If the instabilities of the surface and vertical mixing into clouds are considered important factors affecting the estimation of PBLH into model, then mid- and low-level humidity should also be considered important factors influencing PBLH simulation performance.