• 제목/요약/키워드: Physical measurement

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물리치료 연구동향과 미래연구 (Trend of Physical Therapy Research and Future Study)

  • 김용천;오경환;황성수;오경아;권혜정
    • 대한물리치료과학회지
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    • 제1권2호
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    • pp.251-263
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    • 1994
  • This article considers the trend of Korea physical therapy reaearch. Because physical therapy research is important for the continued growth of the physical therapy profesion. Such research results in improved patient care and heightens the professional standing of the physical therapy field. The purpose of this article is to discuss a current research trend and to suggest a direction for developing a physical therapy research. We discussed a research design, purposes, and methods. Measurement are fundamental to the practice of physical therapy. The physical therapy evaluation is the foundation for the measurement of the outcome of our therapertic intervention. And we must measure thess outcomes. Achieving a high quality of physical therapy practice requires us to evaluate the client, selecting and adminstering a variety of tests and measurent. For the future study, physical therapist has a good treatment model and research program for evaluating and assessment.

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Modified Tikhonov regularization in model updating for damage identification

  • Wang, J.;Yang, Q.S.
    • Structural Engineering and Mechanics
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    • 제44권5호
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    • pp.585-600
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    • 2012
  • This paper presents a Modified Tikhonov Regularization (MTR) method in model updating for damage identification with model errors and measurement noise influences consideration. The identification equation based on sensitivity approach from the dynamic responses is ill-conditioned and is usually solved with regularization method. When the structural system contains model errors and measurement noise, the identified results from Tikhonov Regularization (TR) method often diverge after several iterations. In the MTR method, new side conditions with limits on the identification of physical parameters allow for the presence of model errors and ensure the physical meanings of the identified parameters. Chebyshev polynomial is applied to approximate the acceleration response for moderation of measurement noise. The identified physical parameter can converge to a relative correct direction. A three-dimensional unsymmetrical frame structure with different scenarios is studied to illustrate the proposed method. Results revealed show that the proposed method has superior performance than TR Method when there are both model errors and measurement noise in the structure system.

노인의 건강사정도구에 대한 일고찰 - 신체기능 측정도구를 중심으로 - (A Study of the Scale to Measure Health Status of the Elderly - In Regard to Measures of Physical Functioning-)

  • 이선자;오진주
    • 한국보건간호학회지
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    • 제6권2호
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    • pp.11-20
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    • 1992
  • The major goal of caring the elderly is not to cure the patient, but rather to improve or maintain the individual functional ability. With the aged population increases, there is increasing consensus among health care workers about the importance of developing a tool to measure and evaluate the health status of the elderly. As many writers is pointing out, care of the elderly embraces the spectrum of physical-social-psychological problems and an enormous number of variables could be introudeced into the health worker's routine measurement. But such an expansive approach to measurement could have disadvantages. The purpose of this study is to introduce the measurement tools of physical functioning, perhaps the most important measure required in long-term care, which are separated into three categories of measures; general physical health, ADL, IADL. It is important that all health workers who provide care to the elderly incorporate the concepts of functional health status into the routine assessments. And continuous study about reliability and validity is needed to apply those foreign tools to Korea.

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깔창의 높이에 따른 전후 압력 분포와 좌우 균형에 관한 연구 (Investigation about anterior.posterior plantar pressure and right.left body balance by insole height)

  • 조덕상;고현곤;차승용;김미리;홍보람;서지희;전미희;송미리;이효숙;김민준;김형수
    • 대한물리치료과학회지
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    • 제19권1호
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    • pp.39-46
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    • 2012
  • Purpose : The purpose of this study was to investigate the effect of body balance according to insole height and to provide basic information about body balance by insole height. Method : We examed 40 university students who had healthy body without balance impairment. Plantar pressure was measured by EMED system and the measurement of MTD balance used the MTD-balance master in static stance posture. Both of equipments are various measurement method. We measured plantar pressure and MTD balance each three different height insole(0cm, 3cm, 7cm) and each trial was 30 second in duration. Result : The results were as follows : 1) It showed significantly differences between bare foot and height insole. The anterior plantar pressure with 3cm or 7cm insole were more higher than bare foot(P<.05). 2) There were no significantly differences between barefoot and height insole with MTD-balance master(P<.05). Conclusion : In conclusion, the measurement of MTD balance showed right and left balance ability didn't change by insole height, but plantar pressure was moved on anterior side of foot so we could know insole's height cause the effect to anterior and posterior balance ability.

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퇴행성 슬관절염 환자의 자가평가와 신체기능 측정을 위한 한국어 도구개발 (Cross-cultural Adaptation of Korean Questionaires for Self-Report and Physical Performance Measures for Patients with Osteoarthritis of the Knee)

  • 안소윤;이지현
    • The Journal of Korean Physical Therapy
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    • 제14권1호
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    • pp.205-217
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    • 2002
  • We performed the cross-cultural adaptation process directed at the translation into Korean of the Pain Visual Analogue Scale, the Self-Report of Improvement and the Beacke Physical Activity Questionnaire for Older Adults. This project will help ensure that the Korean versions of these measures retain their meaning and measurement properties when applied to the Korean language and culture. This will help reduce measurement error in the RCT. This research should be of value to other researchers who wish to study older adults with rheumatological conditions.

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Validity and Reliability of Ultrasound Measurement of Knee Joint Space Width in Individuals With Knee Osteoarthritis

  • Kim, Geon;Cha, Young-joo;Shin, Ji-won;You, Sung-hyun
    • 한국전문물리치료학회지
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    • 제26권1호
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    • pp.60-66
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    • 2019
  • Background: Knee osteoarthritis (OA) is a single most arthritic disease. Knee joint space width (JSW) is commonly used for grading severity of knee OA. However, previous studies did not established criterion validity and test-retest reliability of ultrasound (US) image for measuring JSW. Objects: The aim of this study was to establish criterion validity and test-retest reliability of US measurement of medial and lateral knee JSW. Methods: Twenty-nine subjects with knee OA were participated. The US and X-ray were used to measure knee JSW. One sample Kolmogorov-Smirnov test was used to confirm the data normal distribution. Pearson correlation coefficient and ICC were used to calculated and establish criterion validity and test-retest reliability, respectively. Results: US measurement of medial and lateral knee JSW was highly correlated with radiographic imaging measure (r=.714 and .704, respectively). Test-retest reliabilities of medial and lateral knee JSW were excellent correlated (ICC=.959 for medial side and .988 for lateral side, respectively). Conclusion: US may be valid tool to measure knee JSW.

광원 및 디스플레이 기기의 색특성 측정의 불확도 평가 (Uncertainty Evaluation of Color Measurement on Light Sources and Display Devices)

  • 박성종;이동훈;김용완;박승남
    • 한국광학회지
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    • 제20권2호
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    • pp.110-117
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    • 2009
  • 본 논문은 광원 및 디스플레이 기기의 중요한 품질 지표 중 하나인 색특성 측정과 관련하여 대표적인 측정량인 CIE 1931(x, y) 색좌표, CIE 1960(u, v) 색좌표, 상관색온도(correlated color temperature, CCT), 분포온도(distribution temperature)에 대한 측정불확도 평가방법과 그 산출 예를 소개한다. 분광복사계를 사용하여 광원의 상대분광분포를 측정하고 이로부터 위의 색특성 측정량을 계산하는 경우에 대하여 표준소급체계를 소개하고, 상대분광분포의 불확도가 각 색특성 측정량의 불확도로 전파되는 과정을 파장간 상관관계를 고려한 행렬식을 이용하여 일관되게 유도한 후, CIE A 표준광원, LED 백색광, LCD 백색광에 대해 측정불확도 산출 예를 보였다.

The reliability of the nonradiologic measures of thoracic spine rotation in healthy adults

  • Hwang, Donggi;Lee, Ju Hyeong;Moon, Seongyeon;Park, Soon Woo;Woo, Juha;Kim, Cheong
    • Physical Therapy Rehabilitation Science
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    • 제6권2호
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    • pp.65-70
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    • 2017
  • Objective: The purpose of this study was to examine the intertester reliability and validity of four nonradiologic measurements of thoracic spine rotation in healthy adults. Design: Descriptive laboratory study. Methods: This study was conducted on 20 male and 20 female university students aged between 19 and 26. To measure thoracic rotation, a goniometer, a bubble inclinometer, a dual inclinometer, and a smartphone application-clinometer were used. The measurement was performed twice for each device and the same measurement was performed by two examiners. The measurements were performed in the lumbar locked position. The arm in the direction of rotation was taken back and placed onto the back of the lumbar region. With right and left trunk rotation, the head was rotated together but remained in the center line so that the axial rotation was maintained. Both examiners performed the measuring procedures and directly handled the measuring instrument. All measurement results were recorded by the recorder. Results: The range of motion (ROM) of thoracic rotation in lumbar locked position for all four devices was 47 degrees. The intra-rater reliability estimates ranged from 0.738 to 0.906 (p<0.05). The inter-rater reliability estimates ranged from 0.736 to 0.853 (p<0.05). The goniometer, bubble inclinometer, dual inclinometer, and smartphone clinometer showed high validity (p<0.05). This result indicates that all four devices may be used by the same examiner and by other examiners obtaining follow-up measurement. Conclusions: The use of the goniometer, bubble inclinometer, dual inclinometer, and smartphone clinometer for measurements in the lumbar locked posture are reliable and valid nonradiologic measures of thoracic rotational ROM in healthy adults.

주관절 가동범위 측정법에 대한 동시타당도와 신뢰도 (Concurrent Validity, Inter-Tester and Intra-Tester Reliability of Goniometric Measurement of Active Elbow Range of Motion Using 4 Different Types of Measuring Instruments)

  • 구애련;이충휘
    • 한국전문물리치료학회지
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    • 제2권2호
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    • pp.46-55
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    • 1995
  • The purpose of this study was to assess the concurrent validity and reliability of goniometric measurement of joint motion. Subjects were 40 healthy university students. Measurements were performed by 4 inexperienced physical therapy students. Four different instruments were used and three readings were taken with each instrument in random order making a total of 12 readings for flexion of the right elbow of each subject. Goniometers used were 1. universal 2. fluid-based goniometer/inclinometer 3. digital LCD goniometer 4. electronic goniometer/torsiometer. The results were as follows: Concurrent validity was highest (r= .94) with the universal and digital LCD tools. Interrater reliability (Pearson Product Moment Correlation) was good for each tool. Interrater reliability calculated by ICC(2,1) was highest (.96) with the tensiometer and lowest (.78) with the digital LCD goniometer. Intrarater reliability calculated by ICC was excellent (${\geq}.90$) for all instruments. These results show that concurrent validity, intrarater and interrater reliability are very good in the used of all four types of goniometers/inclinometer/tensiometer, even with inexperienced raters. These results confirm the almost universal reliance on hand held goniometers for joint measurement by physical therapists as being a reliable practice. Further research should be done clinically with actual patients.

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시각장애 아동과 정상 아동의 선자세 균형 비교 (The Comparison Between Blind and Normal Children in Standing Position)

  • 김중선;이정순
    • The Journal of Korean Physical Therapy
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    • 제15권1호
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    • pp.119-154
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    • 2003
  • In this paper, the proprioceptive sensitivity was compared by Foot-Hand task method and the effect of the proprioceptive sensitivity and auditory to the standing position between blind and normal children was measured using BPM for 56 children in 7, 8, 9 and 10 years old. There are three measurement methods are used for BPM : Rest, Forward Looking, 'Sound' position. The following conclusions were obtained from the above measurements. 1. In comparison of proprioceptive sensitivity between blind and normal children, there is no significant difference(p > .05). There is no significant difference in comparison of each age group and also there is no difference in each gender group(p > .05). 2. In comparison of standing position measurement between blind and normal children, there is any difference (p > .05) in three measurement(Rest, Forward Looking, 'Sound' position) but there is no significant difference in each gender difference(p > .05). There is any difference between Rest and 'Sound' position of blind children, also there is any difference between Forward Looking and ' Sound ' position, rest and 'Sound' position of normal children(p > .05). 3. There is no significant difference of correlation between proprioceptive sensitivity test and standing position measurement in Pearson correlation coefficient(p > .05).

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