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노인에서 일어서기 동작 시 발의 위치에 따른 근활성도의 변화
박민철,이명희,Park, Min-Chull,Lee, Myoung-Hee 대한물리치료학회 2011 대한물리치료학회지 Vol.23 No.1
Purpose: The purpose of this study was to investigate changes in muscle activation associated with foot position during a sit-to-stand exercise among normally healthy elderly subjects. Methods: Eight subjects (male=3; female=5; mean age=$70.13{\pm}{\pm}2.53$years) were recruited.The activation of six muscles (neck extensor; lumbar extensor; hamstring; rectus femoris; gastrocnemius; tibialis anterior) was measured by surface EMG (TeleMyo 2400T G2, Noraxon Inc., USA) during a sit-to-stand protocol under three different foot positions (ankle dorsiflexion of 0, 15, or 30 degrees). Results: Muscle activation of the neck extensor and hamstring was decreased according to the change in foot position (p<0.05), but activation of the rectus femoris was increased (p<0.05). Muscle activation of the neck extensor was significantly different between 0 and 15 degrees (p<0.05). Muscle activation of the hamstring was significantly different between 0 and 15 degrees and between 0 and 30 degrees (p<0.05). Muscle activation of the rectus femoris was significantly different between 0 and 30 degrees and between 15 and 30 degrees (p<0.05). However, activation of lumbar extensor, gastrocnemius and tibialis anterior muscles did not significantly differ between foot positions. Conclusion: These findings suggest that muscle activation during a sit-to-stand movement differs depending on foot position. We believe that these differences should be considered when educating the elderly regarding proper body movements.
운동학습에 따른 대뇌 보조운동영역의 활성화 변화: fMRI 사례연구
박민철,배성수,이미영,Park, Min-Chull,Bae, Sung-Soo,Lee, Mi-Young 대한물리치료학회 2011 대한물리치료학회지 Vol.23 No.2
Purpose: The contribution of the supplementary motor area (SMA) to the control of voluntary movement has been revealed. We investigated the changesin the SMA for motor learning of the reaching movement in stroke patient using functional MRI. Methods: The subject was a right-handed 55 year-old woman with left hemiparesis due to an intracerebral hemorrhage. She performed reaching movement during fMRI scanning before and after reaching training in four weeks. The motor assessment scale and surface EMG were used to evaluate the paretic upper limb function and muscle activation. Results: In the fMRI result, contralateral primary sensorimotor cortex (SM1) was activated before and after training. SMA was only activated after training. In addition, muscle activation of the paretic upper limb was similar to that of the unaffected upper limb after training. Conclusion: These findings suggest SMA is related to the execution of a novel movement pattern resulting in motor learning in stroke patients.
박민철,안소윤,이현옥,구봉오,Park, Min-Chull,Ahn, So-Youn,Lee, Hyun-Ok,Koo, Bong-Oh 대한물리치료과학회 2006 대한물리치료과학회지 Vol.13 No.2
This study was performed to examine the influences of the mental practice to the hemiplegic upper limb motor function improvement. 20 minute neurologic treatment based on the neurophysiological theory, 10 minute activities of daily living training, and 10 minute mental practice 5 times a week were given in turn to the experimental group(N=11). On the other hand 20 minute neurologic treatment, and 10 minute activities of daily living training 5 times a week were given in turn to the control group(N=11). Both Fugl-Meyer Assessment Scale and Manual Function Test were used to evaluate upper limb motor recovery, upper limb motor function and movement ability. And the Motor Activity Log; Amount of Use and Motor Activity Log; Quality of Movement before training, 2 weeks after training, and 4 weeks after training were measured to assess the upper limb motor quantitatively and qualitatively each. The results are as follows. 1) Considering the interactions of the rate of change on the upper limb motor recovery, motor function, movement ability improvement, and qualitative motor improvement in ADL of experimental group and control group, the change rates of experimental group were found to be greater than those of the control group. 2) In experimental group, the higher the achievements were, the better upper motor recovery was.
테이핑 적용방법에 따른 버스 운전기사의 요통과 근 유연성에 미치는 효과
박민철(Park, Min-Chull),김은영(Kim, Eun-Young),하미숙(Ha, Mi-Sook) 한국산학기술학회 2010 한국산학기술학회논문지 Vol.11 No.11
본 연구는 테이핑 적용방법에 따른 버스 운전기사의 요통과 근 유연성의 변화에 대하여 알아보기 위하여 실 시하였다. 대상자는 창원, 마산, 부산의 버스 운전기사 중에 요통이 있는 척추기립근 테이핑 실험군과 요추부 테이핑 실험군, 대조군의 3그룹으로 각각 15명으로 나누어 테이핑 적용 전·후의 통증과 유연성을 측정 분석한 결과 다음과 같은 결론을 얻었다. 치료전·후 척추기립근 테이핑군과 요추부 테이핑군은 통증지수가 감소하였다. 치료전·후 척추 기립근 테이핑군과 요추부 테이핑군은 유연성이 증가하였다. 치료 후 대조군에 비해 실험군은 통증지수의 감소와 유 연성의 증가를 보였다. 이상의 결론을 종합해 보면 테이핑 적용이 요통이 있는 환자의 통증과 유연성에 긍정적인 영 향을 미치는 것을 알 수 있었고, 테이핑의 모양에 따라 요추 테이핑이 척추기립근 테이핑보다 긍정적인 영향이 있었 다. 따라서 테이핑요법은 버스 운전자에게 값비싼 장비 없이도 쉽게 지속적으로 적용 가능한 치료 방법으로 사용할 수 있으리라 생각된다. The purpose of this study was to compared the effectiveness of erector spine taping and lumbar taping maintained in bus driver's back pain. The research subjects were some bus drivers working in Changwon, Masan, and Busan terminal. And we concluded this research; By selecting a group of 15 people taping erector spine, a group of lumbar taping, and a control group of 15 people randomly. Because we measured them before treatment and two weeks after treatment by the time, we could get the results which were as follows. The experiment group applied of taping therapy would be reduced in back pain when compared to the control group. The experiment group applied of taping therapy would be improved in muscle flexibility when compared to the control group. After treatment, the experiment group compared to control group showed decrease pain and an increase of flexibility. In conclusion, we could know that taping reduces back pain of bus drivers and gives a positive impact to muscle flexibility improvement, we finded out a distinct difference between the erector spine taping and the lumbar taping. Thus, the taping treatment can be applied easily to the bus driver and used as a way of therapeutic approach.
편평발에서 Low-dye 테이핑이 한발 서기 동안 근활성도 변화에 미치는 영향
박민철 ( Min Chull Park ) 대한물리의학회 2013 대한물리의학회지 Vol.8 No.4
PURPOSE: This study was performed to investigate the effect of Low-dye Taping on muscle activity during single-leg standing in subjects with flexible flatfoot. METHODS: Thirteen able-body volunteers who had flexible flatfoot were recruited for this study. Subjects were measured navicular drop test to evaluate pronation of foot and muscle activity during single-leg standing before and after taping. The muscle activity was recorded using surface EMG from the tibialis anterior and the peroneus longus during single-leg standing on stable and unstable surface. RESULTS: The results show that the navicular drop height and the tibialis anterior muscle activity were significantly decreased after Low-dye taping. CONCLUSION: The results suggest that Low-dye taping could be useful in managing overuse of the tibialis anterior by reducing their level of activation during single-leg standing.
허리 골반의 수의적 조절을 병행한 다리 들기가 배근육 활성에 미치는 영향
박민철 ( Min Chull Park ),이상열 ( Sang Yeol Lee ),장준혁 ( Jun Hyeok Jang ),홍민호 ( Min Ho Hong ) 대한물리의학회 2013 대한물리의학회지 Vol.8 No.1
연구목적: 본 연구는 허리 골반의 수의적 조절을 동반한 다리 들기 운동이 배 근육에 미치는 영향을 알아보기 위하여 엉덩 관절의 벌림 각도에 따라 다리 들기 시 배근육의 활성도를 확인하였다. 연구방법: 20대 정상성인을 대상으로 엉덩 관절 벌림 각도(0°, 30°)에서 압력 센서 사용 그룹과 사용하지 않는 그룹으로 나우어 다리 들기를 실시하는 동안 복부 근육의 근활성도를 측정하였다. 연구결과: 엉덩 관절 벌림 0°와 30° 모두에서 오른쪽 다리를 들어 올리는 동안 반대측 내복사근과 동측 외복사근에서 수의적 조절을 한 그룹과 하지 않은 그룹 사이에 통계적인 유의한 차이를 보였다(p<.05). 결론: 허리 골반의 수의적 조절을 통한 다리 들기 시 몸통 안정성의 증가를 통하여 안정적인 배 근육 강화 훈련을 수행 할 수 있을 것으로 생각되며 요통 환자에게도 안정적인 임상적용이 기대된다.
박민철 ( Min Chull Park ),김종순 ( Jong Soon Kim ) 대한물리의학회 2015 대한물리의학회지 Vol.10 No.1
PURPOSE: Vertebrobasilar insufficiency (VBI) should be carefully assessed in patient for whom manipulation of the cervical spine is to be undertaken. The purpose of this study was to investigate the changes in posterior cerebral artery blood flow velocity following head and body positioning by transcranial doppler ultrasonography (TCD) in healthy subjects . METHODS: Twenty two healthy female (mean age 20.77 ±1.30 yrs.) participants volunteered to participate in the study. None of the participants had a history of neck pain or headache within the last 6 months. To evaluate the cerebral blood flow, we measured the mean flow velocity of the posterior cerebral artery unilaterally (right side). The blood flow velocity was measured under 3 different head positions (in a neutral head position, ipsilateral head rotation and contralateral head rotation position) and 2 different body conditions (supine position and sitting position). RESULTS: The mean blood flow velocity of posterior cerebral artery was decreased in body positioning from supine to sitting (p<.05), but the decreased rate of blood flow velocity in posterior cerebral artery did not change significantly between ipsilateral head rotation and contralateral head rotation (p>.05). CONCLUSION: These result of our study show that body positioning (sitting and supine) affect the blood flow velocity in posterior cerebral artery.