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대학축구선수의 상대적 외적훈련부하와 스포츠 손상의 연관성
김태규,최호경 한국운동생리학회 2022 운동과학 Vol.31 No.2
PURPOSE: This study aimed to investigate the relationship between relative training load and non-contact injuries in collegiate football players. METHODS: Eleven players were enrolled in this study. During sports competitions, data were collected using global positioning system (GPS) units (10 Hz), and information on sport-related injuries of the lower extremities was recorded. The acute-to-chronic workload ratio (ACWR) of total distance covered, high-intensity distance (≥18 km/hours), sprint distance (≥21 km/hours) and bouts, work-to-rest ratio, and acceleration-deceleration bouts were calculated. Data were evenly split into quartiles, with the lowest ACWR range used as a reference group. Odds ratios were calculated to determine the injury risk at a given ACWR of each GPS variable, using a logistic regression analysis. RESULTS: Six players experienced nine injuries, yielding an incidence of 132.93 injuries per 1,000 athlete exposures. Based on ACWR values, the highest risk of injury was most associated with total distance covered, followed by high-intensity distance, and sprint bouts. The lowest risk of injury was associated with sprint distance, which yielded a lower injury risk than that in the reference group. CONCLUSIONS: Our study shows the need for continued monitoring of in-game athlete performance in preventing non-contact sport-related injuries in football players.
김태규,황광성,정태상 진주산업대학교 1999 산업과학기술연구소보 Vol.- No.6
가축의 생체정보를 채널간 상호 간섭 없이 계측할 수 있는 직렬 무선 원격측정 시스템을 고안 제작하고, 기초실험 및 사람과 가축(소)의 체온과 맥박을 실측하여 비교 분석한 결과를 요약하면 다음과 같다. 1.개발한 가축의 생체정보 무선 원격 측정시스템은 앞으로 더욱 소형 경량화하고 값싸고 실용성 있게 개선할 필요가 있으며 센서의 부착부위와 고정방법에 대한 실용화 연구가 계속 되어야 할 것으로 생각된다. 2.사람과 소의 체온과 맥박을 실측하고 t-검정한 결과 개발한 시스템으로 측정한 체온, 맥박은 체온계와 손으로 측정한 값과 차이가 없는 것으로 나타났다. The purpose this study was to develop a practical multi-channel series circuit telemetry system for collecting and transmitting cattle' somatic information The experimental results a followed. 1.It was recommended that future researches on the telemetry system should be on development of smaller and lighter one and more studies were needed for sensor attaching places and sensor fixing methods. 2.In measuring body temperature with the developed single-channel telemetry system, the thermistor sensor showed better result than the pt-100 sensor in a term of standard errors which were ±0.070℃ and ±0.603℃ respectively.
Multiple Facets of Employee Responses to Organizational Change
김태규 한국인사조직학회 2009 인사조직연구 Vol.17 No.1
A field study based on 166 employees at a northeastern U.S. hospital found both employees’ assessment of the status quo (perceived need for change) and their attitudinal response to change (commitment to change) were significantly associated with their active behavioral support for change. The study further found that employees’ positive work experiences were positively associated with commitment to change while negatively associated with perceived need for change. Such distinctive psychological processes underlying critical predictors of active change support are discussed in relation to attitudinal ambivalence in the context of organizational change.
Two Omaliine Species (Coleoptera: Staphylinidae) New to Korea
김태규,안기정 한국동물분류학회 2014 Animal Systematics, Evolution and Diversity Vol.30 No.2
A taxonomic study of two omaliine genera Acruliopsis Zerche and Omalium Gravenhorst in Korea is presented. Two species (Acruliopsis ussuriensis Zerche and Omalium japonicum Sharp) are reported for the firsttime in Korea. Diagnoses of those two genera with redescriptions of the species are presented. Acruliopsisussuriensis is distinguished by more or less short elytra, a pair of conspicuous processes on male sternite VIIand emargination of outer lateral margin of paramere at base. Omalium japonicum is distinguished by brownelytra and structure of aedeagus with swollen median lobe and expanded paramere. Habitus photographs andillustrations of diagnostic characters are provided.
金泰圭,許南秀 진주산업대학교 1984 論文集 Vol.22 No.-
This experimental study has been carried out to investigate the coefficient of head loss due to the confluent duct flow through the T type junction in Reynolds number ranging from 3×10exp(4) to 7×10exp(4). The main and confluent ducts, which were PVC pipe, were used 30㎜ in diameter. The results are as follows: 1. As the Reynolds number increased, the range of the change of head losses(Δh_13, Δh_23) due to the weight flow ratio were increased. 2. Curves of loss coefficient(ζ_13, ζ_23) according to the weight flow ratio(X_2) obtained are as follows: ζ_13=0.0676+1.2627X_2-0.6925X_2^2 ζ_13=0.9808+3.5841X_2-1.4484X_2^2 3. Loss coefficients(ζ_13, ζ_23) don't exert a great influence on the change of Reynolds number. 4. Loss coefficients(ζ_13, ζ_23) don't exert a great influence on the change of diameter with the T type duct flow system.