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슬관절과 견관절의 초기재활과정에서 관절운동범위와 스트레칭, 그리고 유산소성 운동 프로그램
김용권,진영수,Kim Yong-Kweon,Jin Young-Soo 대한정형외과스포츠의학회 2003 대한정형외과스포츠의학회지 Vol.2 No.1
본연구는슬관절과견관절의초기재활과정에서관절운동범위와스트레칭, 그리고유산소성운동프로그램에대한논문이다. 만약관절이손상후장기간동안고정된다면관절이굳어지고 근육은위축이 될것이다. 그러므로본 프로그램은다양한운동기술을포함하고있다. 즉관절의경직을예방하기위한운동범위확보와근육의이완을위한스트레칭, 심폐기능의감소를예방하기위한심혈관훈련(수영, 상체자전거, 고정식자전거)을포함하고있다. 초기재활과정에서는임상운동전문가와환자사이의상호관계를형성하는것이매우중요하다. 또한임상운동전문가는환자의통증과운동적응도, 체력수준, 프로그램의진행등에관해스포츠의학전문의와상의하는것이권장된다. This is a review article about range of motion, stretching, and aerobic exercise in accelerated rehabilitation of knee and shoulder. If the joint was immobilized for a long time after injury, it would cause stiffness and atrophy. Therefore, this program includes various exercise techniques; range of motion for joint stiffness, and stretching for muscle relaxation, and cardiovascular training (e.g., swimming, upper body extremity, stationary bicycle) for prevention of cardiopulmonary function decrease. In accelerated rehabilitation, It is very important factor to make interaction between clinical exercise specialist and patients. Also, we recommend that they should discuss with sports medicine doctor as a team members the following; pain, adaptation of exercise, fitness level, and progression of program.
A study on frequency response of two-mass system for gyroscope applications
황영석(Young Suk Hwang),정형균(Hyoung Kyoon Jung),송은석(Eun Seok Song),백창욱(Chang Wook Baek),김용권(Yong Kweon Kim) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.11
This paper describes frequency response of two-mass system for gyroscope applications. The two-mass system of the proposed device is adapted to the sensing part of the gyroscope in this research. Two-mass system has two resonant peaks and wide flat region between two resonant peaks. The resonant frequency of driving part is in this flat region. Therefore, frequency tuning is not necessary for mode matching. In the proposed device, resonant frequency is designed as 7183 ㎐ in driving part. Mass ratio of two masses in sensing part is 0.1 and device size is 6 ㎜ × 6 ㎜. The device is fabricated by SiOG process. The fabricated spring width is increased from 4 ㎛ to 4.5~4.7 ㎛, and the measured resonant frequency is 8392 ㎐ in driving mode. We operated the sensing part using parallel plate of proof mass to verify the sensing part. It is confirmed the device has a wide flat region in frequency response curve and the resonant frequency of the driving part is in the wide flat region of sensing mode.