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점진적 운동 강도 적용 후 고농도 산소 호흡이 회복 심박수 및 젖산농도에 미치는 영향
김병조(Byeong-Jo Kim),이대택(Dae-Taek Lee),차광석(Kwang-Suk Cha) 한국생활환경학회 2007 한국생활환경학회지 Vol.14 No.2
This study examined the effect of high concentration oxygen breathing after graded exercise intensity application on recovery heart rate and blood lactate levels. Five healthy men (l9±0.0 yrs, 174.1±8.2 ㎝, 66.7±3.8 ㎏, 22.0±1.2 ㎏/㎡) were tested four occasions while running on a treadmill using Bruce protocol either up to 75% maximal effort (75) or all-out (100) by breathing either normal air (NO₂) or 99.5% O₂ (HO₂) during recovery period after the exercise bouts. Heart rate (HR) and blood lactate were measured five times during the testing such as resting state and 5, 10, 15, and 20 min of recovery period. At 5th min of recovery period, HR was significantly lower in 100-HO₂ (l02.6±12.7 bpm) than 100-NO₂ (111.4±14.9 bpm) (p<.05). During 10th and 15th min of recovery, lactate was significantly lower in 100-HO₂ (9.9±2.2 and 8.4±2.2 ㎜ol/L) than 100-NOz (l2.7±2.7 and 9.6±3.3 ㎜ol/L) (p<.05). No differences were found between 75-HO₂ and 75-NO₂ in either measured variables. Therefore, the high concentration oxygen breathing after graded intensity exercise may be beneficial in recovery metabolic process. However, this effect may vary depending on exercise intensity accompanying oxygen deficit.
화재예방을 위한 실시간 모니터링 시스템의 알고리즘 개발
김병조 ( Byeong Jo Kim ),김재호 ( Jae Ho Kim ) 한국안전학회(구 한국산업안전학회) 2014 한국안전학회지 Vol.29 No.5
Despite the automatic fire alarm system, according to the national fire data system of national emergency management agency, the fires account for 40,932 incidents, 2,184 injuries and about 430 billion won in property losses in 2013. Since the conventional automatic fire alarm system has several weaknesses related to electrical signal such as noise, surge, lighting, etc. Most fires are mainly caused by electrical faults, mechanical problem, chemical, carelessness and natural. The electrical faults such as line to ground fault, line to line fault, electrical leakage and arc are one of the major problems in fire. This paper describes the development of a novel real-time fire monitoring system algorithm including fault detection function which puts the existing optic smoke and heat detectors for fire detection with current and voltage sensors in order to utility fault monitoring using high accuracy DAQ measurement system with Lab VIEW program. The fire detection and electrical fault monitoring with a proposed a new detection algorithm are implemented under several test. The fire detection and monitoring system operates according to the proposed algorithm well.
음압자극에 대한 경락의 근전도 및 경혈의 수분도.탄성도 변화 분석
김수병,이나라,주예일,정병조,이용흠,Kim, Soo-Byeong,Lee, Na-Ra,Joo, Yea-Il,Jung, Byung-Jo,Lee, Yong-Heum 한국정보통신학회 2010 한국정보통신학회논문지 Vol.14 No.12
부항요법은 다양한 질환에 치료목적으로 널리 사용되어 왔다. 그러나 부항에 대한 경락과 경혈의 상태 변화에 관한 연구가 전무한 상태이다. 본 연구에서는 부항자극에 대한 경락경혈의 상태변화를 분석하여 인체 전체에 미치는 파급효과를 확인하고자하였다. 이에 일정 음압(30kPa)으로 자극 가능한 시스템을 개발하였으며, 좌측 수태음폐경(LU)의 협백(LU4)과 척택(LU5)의 경락선상 중간지점을 자극하였다. 좌/우 수태음폐경의 경혈 및 비경혈에서 수분, 탄성도를 측정하였으며 상완이두박근에서 EMG 신호를 자극 전/후 측정하여 부항 요법이 인체에 미치는 영향을 관찰하였다. 그 결과, 자극 전/후 수분의 변화는 12.49%로 미비하였으며, 탄성도는 64.42%로 높은 변화를 확인하였다. 또한, 경혈이 비경혈 보다 탄성도 변화가 많았으며, 좌측보다 우측에서의 탄성도 변화가 많이 관찰되었다. 좌/우 EMG 신호의 RMS와 Median Power가 유의하게 낮아졌으나 Median frequency에서는 유의성을 확인할 수 없었다. 따라서, 음압자극은 경락경혈의 탄성도 및 근전도 변화를 유도함으로써 인체 전체에 파급적 효과를 줄 수 있음을 확인하였다. Cupping therapy has been used to extensive diseases. However, the research was yet to meridian and acupoint's change of state caused by Cupping. This study was considered a human-ripple effect by the anlaysis of meridian & acupoint's change of state. We developed the system which is keeps 30kPa Negative-pressure and stimulated on the Left Lung Meridian(LU) a halfway point between LU4 and LU5. We checked moisture and elasticity change on left/right acupoints & non-acupoints, then measured EMG Signal. We observed that moisture had little change(12.49%) and the better part of the elasticity on both sides had identified the change(64.42%). The number of the provoked acupoiunt elasticity change was more than non-acupoint. Also, elasticity change of Right side was more than Left side. We confirmed that RMS and Median Power change patterns were lower in proportional to the elastin change, but there was no significance about Median Frequency. Therefore inducing the change of elasticity and EMG signal on meridian-acupoints. Therefore, We checked the human-ripple effect Negative-pressure by the Cupping therapy.
김병조(Byeong Jo Kim),최용석(Yong Suk Choi) 한국정보과학회 2019 정보과학회논문지 Vol.46 No.10
스포츠 캐스팅을 할 때는 스포츠 장면에 대한 상황 정보, 선수 정보 그리고 과거 지식을 기반으로 현재 상황에 대한 이해와 추론이 필요하다. 본 논문에서는 장면 분류 모델, 선수 검출 모델 그리고 선수의 행동 인식 모델을 학습하여 스포츠 영상에 대한 정보를 얻고 과거 데이터를 지식화 해서 저장 해놓은 온톨로지를 이용하여 현재 상황에 대한 이해와 추론을 하는 방법을 소개한다. 총 3가지 종류의 캐스팅을 생성한다. 실시간 웹 데이터로부터 지식화 하여 캐스팅을 생성하고, 13개의 장면을 분류하여 온톨로지와 결합하여 캐스팅을 생성한다. 그리고 선수의 포지션과 8개의 행동을 인식하여 온톨로지와 결합하여 캐스팅을 생성한다. 모든 데이터는 2018년 4월 1일부터 2018년 4월 14일까지 있었던 KBO 경기를 직접 labeling 하여 모델을 학습하였다. Sports broadcasting requires understanding and reasoning of a current situation based on information regarding sports scenes, players, and past knowledge. In this paper, we introduced how scene classifier, player detector, motion recognizer could be used to obtain information on sports images and understand current situations. We created three types of commentaries. One was from web data, another was from 13 scenes with scene classifier, and the other was generated by the position of the players, eight motions, and the ontology. Data from the KBO (Korea Baseball Organization League) games from April 1, 2018, to April 14, 2018, were directly labeled to learn the model.
둥근 어깨 자세를 가진 자의 등세모근 위 섬유의 압통점에 975-nm GaAlAs 저출력레이저 적용에 대한 즉각적인 효과
김병조 ( Byeong Jo Kim ),이정훈 ( Jung Hoon Lee ) 대한물리의학회 2014 대한물리의학회지 Vol.9 No.4
PURPOSE: The purpose of our study was to compare a 975-nm, 500-mW GaAlAs low-level laser therapy versus placebo low-level laser therapy with regard to the immediate changes on the myofascial trigger point of the dominant upper trapezius muscle in subjects with rounded shoulder posture. METHODS: Thirty-two male college students with rounded shoulder posture and shoulder pain consented to participate in the experiment. The subjects were randomly assigned to a 2-minute procedure with either an active GaAlAs low-level laser or a placebo GaAlAs low-level laser. The pressure-pain threshold and visual analog scale on tenderness at 3 kg were measured with an algometer before and after the laser treatments. RESULTS: The active GaAlAs low-level laser group showed significant changes in pressure-pain threshold and visual analog scale on tenderness at 3 kg (p<0.05). The placebo GaAlAs low-level laser group showed no significant changes in either pressure-pain threshold or visual analog scale on tenderness at 3 kg (p>0.05). CONCLUSION: An immediate effect was observed in pressure-pain threshold and visual analog scale on tenderness at 3 kg following a 2-minute application (857.14 J/cm2) of a 975-nm, 500-mW GaAlAs low-level laser to the myofascial trigger point of the dominant upper trapezius muscle in patients with rounded shoulder posture.