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익상견갑의 평가를 위한 "Scapulometer" 의 신뢰도 연구
원종혁(Jong-hyuck Weon),최홍식(Houng-sik Choi),권혁철(Hyuk-cheol Kwon) 한국전문물리치료학회 2010 한국전문물리치료학회지 Vol.17 No.2
This study was undertaken to develop the scapulometer, a measuring tool for scapular winging, and to determine the reliability of scapulometer. Thirty subjects with scapular winging greater than 2 em participated in this study. Two examiners measured scapular winging using the scapulometer. Standardized measurement position of each subject was as follows: neutral position of shoulder and wrist, 90도 flexion of elbow, and cuff weight of 5% and 10% of body weight (BW) to neutral wrist. The interrater and intrarater reliability were calculated with an intraclass correlation coefficient (ICC) with 95% confidence interval(CI) and standard error of measurement (SEM) at 5% BW and 10% BW. The level of scapular winging was tested between 5% BW and 10% BW with a paired t-test. The interrater reliability was shown to be high at 5% BW (ICC(2,k)=.955, 95% CI=.900~.979,SEM=.07) and at 10% BW (ICC(2,k)=.968, 95% CI=.930~.985,SEM=.06). The intrarater reliability was shown to be high at 5% BW (ICC(2,k)=.921, 95% CI=.842~.961,SEM=.09) and at 10% BW(ICC(2,k)=.906,95% CI=.813~.954,SEM=.10). The level of scapular winging was significantly different between 5% BW and 10% BW. Conclusively, it is demonstrated that the scapulometer is an objective and qualitative measurement tool for scapular winging.
뇌졸중 환자 평가를 위한 Stroke Rehabilitation Assessment of Movement의 측정자간 신뢰도
윤성준(Sung-joon Yun),원종혁(Jong-hyuck Weon),이충휘(Chung-hwi Yi) 한국전문물리치료학회 2010 한국전문물리치료학회지 Vol.17 No.3
The aim of this study was performed to determine the inter-rater reliability of the Stroke Rehabilitation Assessment of Movement (STREAM) translated in Korean. Ths was a new clinical measurement tool for evaluating the recovery of voluntary movement and basic mobility following stroke. A direct-observation reliability study was conducted on 20 patients who had strokes and were in a rehabilitation setting. Subjects were assessed by two physical therapists. The reliability of the STREAM scores was demonstrated by weighted kappa statistics for inter-rater agreement on scores for individual items ranged from .83 to 1.0, intraclass correlation coefficients for total score was .99, and for subscale scores was ranged from .~ to .99. The internal consistency of the STREAM scores was demonstrated by Cronbach alphas of greater than .99 on the subscales and overall. These high levels of reliability support the use of the STREAM translated in Korean instrument for the measurement of motor recovery following stroke.
아래등세모근 근력강화 운동방법들 사이의 어깨뼈 위쪽 돌림근과 다른 어깨 근육들의 근활성도 비교
용준형 ( Joon Hyoung Yong ),원종혁 ( Jong Hyuck Weon ) 한국전문물리치료학회 2013 한국전문물리치료학회지 Vol.20 No.3
본 연구는 아래등세모근을 강화시키기 위한 세 가지 운동방법이 어깨뼈 위쪽돌림근들의 근활성도와 다른 어깨 근육들(어깨올림근, 뒤쪽어깨세모근, 가시아래근)의 근활성도에 미치는 영향을 알아보고자 하였다. 그 결과 위등세모근과 아래등세모근, 앞톱니근의 근활성도는 BRDAL 운동이나 PAL 운동이 MPC 운동에 비해 유의하게 낮게 나타났고, 위등세모근/아래등세모근의 비는 MPC 운동시에 BRDAL 운동과 PAL 운동시에 비해 유의하게 높게 나타났다. 이러한 결과는 MPC 운동이 BRDAL 운동과 PAL 운동에 비해 아래등세모근을 더 선택적으로 강화시킬 수 있는 방법이지만, 아래등세모근의 근활성도만을 비교했을 때에는 MPC 운동보다 BRDAL 운동과 PAL 운동이 근력강화에 더 효과적인 방법임을 의미한다. 그러므로 아래등세모근의 근력을 강화시키기 위한 운동 방법을 선택할 때에는 다른 어깨뼈 위쪽돌림근들의 근력을 평가하여, 아래등세모근만을 선택적으로 강화시킬 것인지 아니면, 다른 어깨뼈 위쪽돌림근들도 함께 강화시킬 것인지를 고려하여야 할 것이다. 아래등세모근만의 선택적 강화를 위해서는 MPC 운동을, 그리고 다른 어깨뼈 위쪽돌림근들도 함께 강화시키려면 BRDAL 운동이나 PAL 운동을 시키는 것이 효과적일 것이다. The aim of this study was to compare the electromyographic (EMG) activity levels of the scapular upward rotators [upper trapezius (UT), lower trapezius (LT), and serratus anterior (SA)] and other scapular muscles [posterior deltoid (PD), levator scapulae (LS), and infraspinatus (IS)] during isometric lower trapezius exercises. Twenty males with no medical history of shoulder pain or upper extremity disorders were recruited for this study. EMG activity was recorded from the UT, LT, SA, PD, LS, and IS while subjects performed three different exercises: Prone arm lift (PAL), Backward rocking diagonal arm lift (BRDAL), Modified Prone Cobra (MPC). One-way analysis of variance (ANOVA) was used to determine any significant differences among the three exercises. A lower relative activation of UT, LT, and SA was seen with the MPC than with the other exercises (p<.05). The relatively lower activation of the UT identified, the MPC exercise as the preferred choice for preferential strengthening the LT (p<.05). However, a higher activation in the PD, LS, and IS occurred with the MPC than with the other exercises (p>.05). The recruitment pattern of synergist varied depending on the exercise posture. These findings suggest that exercise posture is an important factor in the selection of strengthening exercise for weak muscle.
정강종아리 관절의 활주 방향이 발목관절의 능동적 발등굽힘 각에 미치는 영향
고은경 ( Eun Kyung Koh ),원종혁 ( Jong Hyuck Weon ),정도영 ( Do Young Jung ) 대한물리의학회 2014 대한물리의학회지 Vol.9 No.4
PURPOSE: This study was to investigate the effect of direction of gliding in the tibiofibular (TF) joint on angle of active ankle dorsiflexion (AADF). METHODS: Fifteen subjects with no medical history of lower extremities were recruited in this study. The digital dynamometer was used to maintain the same gliding force in each condition. The angle of AADF was measured by using the electronic goniometer. Subjects were instructed to perform the AADF in three trials during the each gliding in the TF joint by the examiner. The conditions were no gliding and four directions of gliding in the proximal (anterior-superior: A-S vs posterior-inferior: P-I) and distal (posterior-superior: P-S vs. anterior-inferior: A-I) TF joint. A repeated measured ANOVA was used to compare angle of the AADF in each TF joint. The paired-sample t tests with Bonferroni correction were used in order to Post hoc pair-wise comparisons. The significant level was set at 0.016 (0.05/3). RESULTS: In distal TF joint, the angle of AADF in the A-I direction of gliding was significantly lower than those in no gliding and P-S direction of gliding (p<0.01). In proximal TF joint, the angle of AADF was significantly lower than those in no gliding and A-S direction of gliding (p<0.01). Although there was no significant differences, angle of AADF were largest in the P-S direction of gliding among four conditions. CONCLUSION: These findings suggest that gliding technique of TF joint would be required to improve the angle of AADF in subjects with limitation of ankle dorsiflexion.
운동면과 어깨 관절 굽힘 각도가 어깨뼈 내밈 운동 시 어깨뼈 위쪽 돌림근에 미치는 영향
정성대 ( Sung Dae Choung ),원종혁 ( Jong Hyuck Weon ),정도영 ( Do Young Jung ) 대한물리의학회 2013 대한물리의학회지 Vol.8 No.1
PURPOSE: This study was to determine the effect of the plane of movement (sagittal plane vs. scapular plane) and shoulder flexion angle (90° vs. 130°) during scapular protraction exercises in healthy subjects by investigating the elecromyographic (EMG) activities of the serratus anterior (SA), upper trapezius (UT), and pectoralis major (PM). METHODS: Twenty-one healthy subjects participated in this study. Subjects performed maximal scapular protraction at the 90° or 130° shoulder flexion angles in the sagittal or scapular planes. Surface EMG was recorded from the SA and UT, and PM muscles. Dependent variables were examined by 2 (plane) × 2 (angle) repeated measures of analysis of variance (ANOVA). RESULTS: Significantly increased EMG activities in the SA and UT were found during scapular protraction exercise at the 130° shoulder flexion angle in the sagittal and scapular plane. Also, EMG activity of the PM significantly decreased at the 130° shoulder flexion angle in the sagittal plane and the 90° and 130° shoulder flexion in the scapular plane. CONCLUSION: we recommend scapular protraction exercise at the 90° shoulder flexion in the sagittal plane to selectively strengthen the SA muscle with limitation of upper trapezius activity and at the 130° shoulder flexion in the scapular plane to selectively strengthen the SA muscle with limitation of pectoralis major activity.
어깨관절 가쪽돌림이 팔을 올리는 동안 어깨뼈 위쪽돌림근의 근활성도에 미치는 영향
정도영 ( Do Young Jung ),원종혁 ( Jong Hyuck Weon ) 대한물리의학회 2015 대한물리의학회지 Vol.10 No.4
PURPOSE: The purpose of this study was to determine the effect of shoulder external rotation on muscle activities of the scapular upward rotators during arm elevation. METHODS: Nineteen healthy subjects with no medical history of shoulder pain or upper extremity disorders were recruited for this study. Electromyography (EMG) was used to measure the muscle activities of the serratus anterior (SA), upper trapezius (UP), lower trapezius (LT) and infraspinatus (IS) muscles during arm elevation. The EMG activities were recorded while the subjects performed 90° arm elevation with three different arm positions; palm down (PD), neutral position (NP), and palm up (PU). While seated in a chair, the subject was asked to raise the upper extremity in the sagittal plane in random order. Subjects performed 90° arm elevations in three trials at each arm position. The mean EMG activity normalized by the maximal voluntary isometric contraction was analyzed across three arm positions. Repeated measures one-way ANOVA and the post hoc Bonferroni tests were used to determine the differences in muscle activities among the three arm positions. RESULTS: The EMG activities of the SA and IS were significantly greater in the PU condition than in the other conditions during arm elevation. No significant difference was noted between the NP and PD conditions during arm elevation. CONCLUSION: These results suggest that shoulder external rotation (palm up position) can be used to activate the SA. Therefore, we recommend a scapular protraction exercise in the palm up position for strengthening the SA.
하지 강직 평가에 있어 NK테이블을 이용한 진자검사의 유용성
김용욱 ( Yong Wook Kim ),원종혁 ( Jong Hyuck Weon ),김태호 ( Tae Ho Kim ) 대한물리의학회 2013 대한물리의학회지 Vol.8 No.2
The purpose of this study was to investigate the clinical availability of the pendulum test (through reliability and validity) using a NK table attached electrogoniometer for spasticity measurement in patients with brain lesions. Methods : Thirty-one stroke and traumatic brain injury subjects participated in the study. Intraclass correlation coefficient (ICC) was used to verify the test-retest reliability of spasticity measures of the pendulum test. Pearson`s product correlation coefficient was used to examine the validity of the pendulum test through the amplitude of the deep tendon reflex (DTR) test known for objective and quantitative measure of spasticity. Results : In these results, the test-retest reliability was showed significantly high correlation between pendulum tests (ICCs=.95~.97, p<.01). There were significant negative correlations between the amplitude of the DTR test and all measures of spasticity of the pendulum test(r=-.77~-.85, p<.01). Conclusion : Thus, it is possible to use the pendulum test using a NK table as an objective measure of spasticity, rather than other expensive equipment, which is more complicated to use. Further studies are needed to explore the therapeutic effects of spasticity using a newly designed pendulum test equipment in this study.