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요가운동에 따른 주의력결핍 과잉행동장애(ADHD) 청소년의 신체적 자기개념에 대한 변화분석
이해권(Hae Kwon Lee),조홍관(Hong Kwan Jo),김기중(Ki Joong Kim),반철환(Chul Hwan Ban),정창년(Chang Nyun Jung),최종운(Jong Woon Cho),박지영(Ji Young Park),박상민(Sang Min Park),노재귀(Jae Kui No) 한국발육발달학회 2012 한국발육발달학회지 Vol.20 No.3
The objective of this study is to figure out the effect of yoga exercise program on the physical self-description of ADHD adolescents, and the subjects are 36 middle school male students who attends middle schools in Jeonlabuk-do, and 18 subjects are categorized as experimental group, and remaining 18 subjects are categorized as control group, and the experimental group participated in 12-week yoga exercise, and the result is as follows. First, pretest of all factors on physical self-description on the control and experimental group showed no statistically meaningful difference, but in post test, all factors showed statistically significant difference(p < .001). Second, experimental group showed positive improvement in pretest of every factor of appearance, health, flexibility, body fat, sports confidence, muscle power, and muscle endurance than control group, so there was statistically meaningful difference(p < .001), and control group showed negative aspect of regular exercise after 12 weeks, so there was statistically meaningful difference(p < .01). These results indicate that yoga exercise is effective program for all sub-factitive physical self-description changes of the Attention- Deficit Hyperactivity Disorder Youths physical self-description.
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AlxGa₁-xAs / AlAs / GaAs계로 이루어진 비대칭 이중 양자우물 구조에서의 광 Luminescence 특성 연구
정태형(Taehyoung Zyung),강태종(Tai-Jong Kang),이종태(Seon-Kyu Han),한선규(Jong-Tai Lee),유병수(Byueng-Su Yoo),이해권(Hae-Kwon Lee),이정희(Jung-Hee Lee),이민영(Min-Yung Lee),김동호(Dong-Ho Kim),임영안(Young-Ahn Leem),우종천(Jong-Chun 한국광학회 1992 한국광학회지 Vol.3 No.3
AlxGa_(1-x)As/AlAs/GaAs계로 이루어진 비대칭 이중 양자우물 구조의 광학적 특성을 photoluminescence, photoluminescence excitation, time-resolved photoluminescence를 통하여 조사하였다. 양자장벽 AlAs의 두께에 따른 특성 변화를 조사하기 위하여 두께를 15Å, 150Å로 제작하였다. 양자장벽이 15Å인 경우 매우 빠른 전자의 관통 현상을 보여 주었으며, 이로 인해 AlxGa_(1-x)As의 여기자 재결합에 해당하는 피크가 관찰되지 않았다. AlAs 양자장벽이 150Å인 경우에는 AlxGa_(1-x)As 양자우물에서 여기자 재결합에 의한 피크가 50 ㎰ 이하로 빠른 decay 시간을 보여 주었으며 이것은 양자장벽과의 Γ-X전이에 의한 것으로 사료되었다. GaAs 양자우물에서의 luminescence decay는 두 시료 모두 1 ㎱정도 이었으나, 15Å인 경우에는 약 100 ㎰의 rise 시간이 존재하였으며 이것은 정공의 관통에 의한 시간으로 판명되었다. Luminescence properties of asymmetric double quantum well structure composed of AlxGa_(1-x)As/AlAs/GaAs have been studied by steady state and time-resolved photoluminescence and phtoluminescence excitation spectroscopy at low temperature. Two quantum well samples with different barrier thickness (15Å and 15Å) were prepared to investigate the dependence of tunneling characteristics on barrier thickness. The abscence of excitonic recombination peak from AlxGa_(1-x)As wen for the 15Å barrier sample indicates a very fast electron tunneling to GaAs well. Meanwhile, Γ-X transition between wen and barrier is supposed to be a major route for the fast decay of luminescence from AlxGa_(1-x)As wen in the 150Å barrier sample. Time-resolved photoluminescence from GaAs wen of 15Å sample shows the exsitence of the rise with 100 ps which is attributed to the hole tunneling.
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Swiss Ball Exercise가 발달장애 아동의 균형 및 보행능력 변화분석
노재귀(Jae Kui No),조성초(Sung Cho Jo),정창년(Chang N Jung),안대섭(Dae Seob An),이해권(Hae Kwon Lee) 한국발육발달학회 2009 한국발육발달학회지 Vol.17 No.4
This research was mainly conducted to develop the education program for children suffering from development disturbance. Further, it is expected that the results obtained from such programs and experiments would help the handicapped to increase their "walking abilities" and body balances by participating in the exercises suggested by the researchers. The experimental subjects involved in this research were 5 students, aged from 9~10, who attend a special school in a city in Jeollabuk-do. Among them, 2 students were suffering mental retardation, and the other two students were suffereing development retardation. There also was an autistic child in this experiment. Conclusions were reached after we set RPE of Swiss Ball exercise to 11~13, exercise frequency to 3 times a week for 12 weeks, and exercise period to be around forty minutes. It is also important to mention that new steps were included for the different difficulty level of exercises. The results showed that the children showed positive improvements over the following areas: Berg Balance Scale(p<.01), standing on a foot with eyes open, in situ spinning, and putting one`s foot on a foot board with his or her foot keep switching(p<.05). Also the handicapped one`s ability to talk showed positive improvements over areas such as the amount of time spent on walking (p<.01), number of footsteps made on walking, and many others.
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