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2010, Vol.5, No.4

  • 1.

    The Effect of Simulation Task Oriented on Balance in Patients with Stroke

    Bongoh Goo | 강승수 | 2010, 5(4) | pp.509~515 | number of Cited : 2
    Purpose:This study was performed to examine the effect of stimulation task-oriented training on the balance ability of the hemiplegic patients caused by stroke. Methods:We made a random sampling of 25 hemiplegic patients caused by stroke. 10 patients(experimental group)were treated by simulation Task-oriented training and Conventional training used by balance pad. The other 10 patients(control group) were only treated by Conventional training used by balance pad. During the training, 3 patients from the experimental group and 2 patients from the control group were excluded by private affairs. The control group has done Conventional training 6 times a week for 6 weeks. And experimental group has done Simulation task-oriented training two times, conventional training four times a week for 6 weeks. Balance ability was assessed by Fuctional Reaching Test (FRT): unilateral and bilateral reaching. Results:In comparison of FRT before and after training, two groups all was significantly improved(p<.05). But bilateral reaching variation was significantly improved in experimental group. Conclusion:we can use simulation Task-oriented training valuably to increase balance ability of hemiplegic patients.
  • 2.

    Effect of Motor Imagery Training with Visual and Kinesthetic Imagery Training on Balance Ability in Post Stroke Hemiparesis

    김진섭 | Kyoung Kim | 2010, 5(4) | pp.517~525 | number of Cited : 5
    Purpose:This study aimed to compare the effect of two conditions (visual and kinesthetic) of motor imagery training on static and dynamic balance. Methods:Fifteen patients with post-stroke hemiparesis volunteered to participate in this study. Two motor imagery training conditions, for 10minute trials, employed with audiotape instructions. Measurements were performed at pretest, posttest and 1-hour follow up in both static and dynamic balance. Results:Measures were significantly different both static and dynamic balance tests between treatment conditions (kinesthetic imagery more than visual imagery) at the pretest, post test, and 1-hour follow-up (p<.05). Measures of both static and dynamic balance tests, for both conditions, improved significantly from pretest to posttest (p<.05), and was maintained at 1-hour follow up. Conclusion:This study showed that both imagery training applications were effective treatment strategies for both static and dynamic balance. When comparing the two treatment conditions, kinesthetic motor imagery training was more effective than the visual motor imagery training in static and dynamic balance.
  • 3.

    Change of α-motor Neuron Excitability by Taping Across a Muscle

    Jongsoon Kim | 김난수 | 이현옥 | 2010, 5(4) | pp.527~534 | number of Cited : 5
    Purpose:The application of tape to modulation of pain and muscular excitability has become common clinical practice among musculoskeletal physical therapy. However, the techniques of the tape application has been relied on empirical evidence in preference to the neurophysiological evidence. Thus, the mechanism of taping has to be elucidated further. The aim of this study was to determine whether elastic and non-elastic taping across a muscle does indeed change α-motor neuron excitability. Methods:The study was performed on 10 neurologically healthy adults. Two different types of tape were applied to skin overlying gastrocnemius. The elastic tape stretched up to 120% of its original length but non-elastic tape didn't stretched up of its original length. The tape applied across the direction on thickest part of the gastrocnemius. The α-motor neuron excitability of the gastrocnemius was assessed using the gastrocnemius H-reflex. The amplitude of the M-wave and H-reflex were measured across three conditions: before tape application, with tape and with the tape removed. Results:No significant changes of the excitability of the α-motor neuron were obtained across three condition, either in the elastic and non-elastic tape. Conclusion:From the results, I could come to the conclusion that further clinical work will be required.
  • 4.

    Abdominal Muscle Activity during Warm-up (Head to Toe) Exercise Compared to Tongue-stretching Exercise

    김미선 | Hwang,Byong-Yong | 2010, 5(4) | pp.535~542 | number of Cited : 0
    연구의 목적:건강한 20대 성인 남녀에게 복부 강화 운동의 하나인 warm-up (head to toe)와 tongue-stretching 운동 시 복근의 근 활성도를 비교하는데 연구의 목적이 있다. 연구의 방법:본 연구는 12명의 건강한 20대 성인 남녀(남 5, 여 7)를 대상으로 하였으며, 평균 연령은 26세이다. 연구의 대상자는 복근에 sEMG 도자를 부착하여 두 운동 적용 시 복부 근활성도에 대한 남녀의 차이와 개별 운동 시 각 근육간의 근활성도 차이를 SPSS 13.0을 이용하여 분석하였으며, 두 운동 적용 시 global 근육과 local 근육간의 비율을 1이라 가정하고 기여도를 측정하였다. 연구의 결과:연구의 결과는 다음과 같다. 1) 두 운동을 적용 시 남녀의 차이는 없었다. 2) 두 운동 적용 시 각 근육간 근활성도 차이는 보이지 않았으나, 배속빗근(internal oblique)는 차이를 보였다. 3) 두 운동 적용 시 global 근육과 local 근육간의 비율은 배곧은근(rectus abdominis)과 배속빗근과의 비율은 3으로 배속빗근이 배곧은근의 근활성도 보다 컸음을 보였으며, 배바깥빗근(exernal oblique)과 배속빗근과의 비율은 약 1.5로 배속빗근의 활성도가 컸다. 연구의 결론:복부 강화 운동의 하나인 warm-up과 tongue-stretching 운동을 적용 시 복근의 활성도를 비교한 결과에서 보여주듯이 local 근육 강화 운동 시 두 운동의 효과를 향후 분석하여 요통환자와 같이 복부 강화가 필요한 환자의 프로그램에 적용되어져 할 것이다.
  • 5.

    The Changes of Plantar Foot Pressure by External Loads during Walking in Flatfoot

    장종성 | 박지원 | 김중선 | 2010, 5(4) | pp.543~549 | number of Cited : 5
    Purpose:The study was designed to investigate the changes of plantar foot pressure by different loads during walking in flatfoot. Methods:Fifteen subjects with flatfoot were recruited along with their written informed consent. They were asked to walk on plate at a self-selected and comfortable speed with loads of 0, 5, 10, and 15㎏. Three walking trials were obtained and then averaged for data analysis. Foot pressure were measured from RS-Scan system (RS-Scan system, RS scan Ltd., German) and contact area, maximum force were analyzed. Results:There were significant increases on midfoot and decreases on forefoot in contact area. And there were significant increases in maximum force of foot pressure of 2nd metatarsal bone and midfoot. Conclusion:These findings revealed that flatfoot increases risk factors of metatarsal bone with different loads. Therefore, patients of flatfoot must be careful during walking with loads or activities of daily living.
  • 6.

    Effect of Microcurrent Therapy on Interleukin-6 Expression in Adjuvant Induced Rheumatoid Arthritis Rat Model

    이현민 | Lee Sang-yeol | 이명희 and 2other persons | 2010, 5(4) | pp.551~558 | number of Cited : 2
    연구목적:미세전류 자극이 아주반트로 류마티스 관절염을 유발한 실험동물의 염증반응과 통증에 미치는 효과를 알아보기 위하여 실험동물의 발허리발가락관절내 염증반응 정도를 나타내는 인터루킨-6(interleukin-6)의 발현과 핫플레이트(hot plate)를 이용한 발도피지연시를 측정하여 미세전류의 효과에 대하여 알아보고자 하는데 목적이 있다. 연구방법:실험동물은 무작위로 대조군(n=18)과 미세전류를 적용한 실험군(n=18)으로 구분하였고, 각 군당 6마리씩 1일군, 7일군, 14일군으로 배정하였다. 류마티스 관절염 유발후 1일, 7일, 14일에 모든 실험동물의 열통각역치를 나타내는 발도피지연시와 발허리발가락관절내 인터루킨-6의 발현정도를 측정하였다. 각 집단 내의 기간에 따른 발도피지연시와 인터루킨-6의 면역반응성은 일원배치 분산분석을 실시하였고, 사후분석으로는 Duncan의 다중범위검정을 실시하였다. 실험군과 대조군을 비교하기 위하여 독립표본 t-test를 실시하였다. 연구결과:실험결과는 다음과 같다. 1) 아주반트 주사 1일후, 실험군과 대조군에서 인터루킨-6 면역반응성과발도피지연시는 비슷한 양상을 보였다. 2) 인터루킨-6 면역반응성은 아주반트 주사 7일, 14일 후 대조군이 실험군보다 유의하게 증가되었다(p<.05). 3) 발도피지연시는 아주반트 주사 7일, 14일 후 실험군이 대조군보다 유의하게 증가되었다(p<.05). 결론:이상의 결과로부터, 미세전류 자극이 아주반트로 유발된 류마티스관절염 모델에서 활액 조직내 염증반응을 감소시키고 열통각역치는 증가되는 것을 알 수 있었다.
  • 7.

    Effects on the Recovery of Motor Function, Change ECG and TroponinⅠ According to Different Amounts Exercise in Ischemic Stroke Patients

    myungchul kim | 오현주 | 2010, 5(4) | pp.559~567 | number of Cited : 1
    Purpose:The purpose of this study is to investigate the effects of motor function recovery and change of the heart function factors(ECG & Troponin I) with ischemic stroke patients by different amounts(times) exercise. Methods:Forty-six consecutive chronic hemiparetic patients with cerebral infarct were randomly assigned to two groups: Group 1 (exercise time 60 minutes/day) and Group 2 (exercise time 120 minutes/day). Types of exercise included static bicycle, isokinetic exercise, and standing or gait exercise on a treadmill. Outcome measures included the level of motor recovery (Fugl-Meyer Scale, FMS) and heart function (ECG and Troponin I), and measurements were performed three times: pre-test, 8 weeks and 12 weeks. Results:There was a significantly different change of motor function recovery and ECG between two groups during treatment period. Especially there were significantly change period of pre-test to 8 weeks on ECG and pre-test to 12 weeks on motor function recovery. But Troponin I has no significantly different change between two groups during treatment period. Also there was no significantly different change of motor function recovery and ECG and Troponin I with between two groups during treatment period. Conclusion:The exercise program improved motor function and change ECG without Troponin I in two groups. The result of this study shows that no matter how different amounts of exercise to effect of motor function recovery and heart function test in chronic patients with cerebral infarct.
  • 8.

    The Effects of Community-based Exercise Program to Improve Leg Muscle Strength and Balance for Elderly Women

    Kim, Nan-Soo | Jongsoon Kim | 이현옥 | 2010, 5(4) | pp.569~576 | number of Cited : 4
    Purpose:This study was aimed at determining the effects of community-based exercise program to improve leg muscle strength and balance for elderly women. Methods:This study was nonequivalent control group pre-post test design. Subjects were assigned to two different groups(exercise group=11, control group=7). Exercise group performed community-based exercise program for 8 weeks. Outcome measures included leg muscle strength, balance, walking velocity, activities of daily living(ADL), exercise self-efficacy and health-related quality of life(QoL). The collected data analyzed by independent t-test and paired t-test. Results:Leg muscle strength, walking velocity and mental component summary(QoL) were significantly improved in the exercise group. But balance and exercise self-efficacy were significantly worsened in the control group. There were no significant difference between groups after 8 weeks of community-based exercise. Conclusion:These results suggested that the community-based exercise program is effective for elderly women in improving leg muscle strength, walking velocity and mental component summary(QoL).
  • 9.

    Analysis of Gait Velocity, Stance time on Obstacle and Dual Task Gait in Elderly Women with LBP

    Yongho Cho | 정현성 | Park,Rae-Joon and 5other persons | 2010, 5(4) | pp.577~585 | number of Cited : 2
    Purpose:This study was to evaluate gait velocity and stance time on 5 conditions in elderly women and elderly women with LBP. The subjects were 70's generation. Methods:The subjects are 20 divided into 2 groups. They measured gait velocity, stance-time. The 5 conditions were normal gait, 10cm obstacle gait, 25cm obstacle gait, dual 10cm obstacle gait, dual 25cm obstacle gait. The experimental period was between 2008/12 and 2009/2. Statistical analysis was used Repeated measurement for difference between conditions, independent t-test for difference in two groups. Subjects were countdown from 50 during dual task gait. Results:The results were as follow: there were significantly diffrerence 10cm obstacle velocity, dual 10cm obstacle velocity in two group. The others were not significantly differences. Velocity and stance-time were significantly difference in control group. In dual 25cm obstacle gait, velocity was difference of normal gait. Stance-time was difference in 25cm obstacle gait, and dual 25cm obstacle gait. In Experimental group, velocity and stance-time were not significantly difference. But measured value of velocity was gradually decreased and stance time was increased. Conclusion:These results indicate that elderly people with LBP women are reduced gait ability in dual task, and obstacle condition. So they need to prevent falling in dual task, and obstacle gait and to train obstacle/dual tak gait.
  • 10.

    The Effects of Somatosensory Training on the Spatiotemporal Gait Parameters and Balance in Patients with Stroke

    채정병 | 이문환 | 2010, 5(4) | pp.587~596 | number of Cited : 4
    Purpose:This study was performed to investigate the effects of somatosensory training on the spatiotemporal gait parameters and balance in patients with stroke patients. Methods:24 stroke survivors were allocated in this study, and randomly divided into experimental(n=12) and control group(n=12), independently. Experimental group was applied somatosensory training program plus conventional physical therapy, and control group was applied only conventional physical therapy. All subjects were administered for 30 minutes per day during 8 weeks(5 times a week). Results:Spatiotemporal parameters of gait were significant difference between pre and post intervention in experimental group, except of step length asymmetry ratio(SLAR) and single support time asymmetry ratio (SSAR)(p<.05). But control group had no statistical significance(p>.05). And also there was significant difference between experimental and control group(p<.05), except of cadence and SSAR(p>.05). Balance parameters were significant difference between pre and post intervention in experimental group(p<.05). But control group had no statistical significance(p>.05). And experimental timed up and go test was significantly decreased than control group(p<.05), but berg balance scale and functional reach test were not significant difference between experimental and control group(p>.05). Conclusion:This study was suggested that somatosensory training has effectiveness on the spatiotemporal gait parameters and balance in patients with stroke survivors. So this therapeutic intervention will be effectively apply to the stroke survivors in the clinical setting.
  • 11.

    The Efficacy of Pulmonary Rehabilitation Using Air Stacking Exercise in Cervical Cord Injured Patients

    Kim Meung Kwon | Cho, Misuk | KAK HWANGBO | 2010, 5(4) | pp.597~604 | number of Cited : 5
    Purpose:This study investigated the effects of air stacking exercise on respiratory ability of patients with cervical cord injury. Methods:The subjects of this study were 30 patients with cervical cord injury were randomly placed in an experimental group(n=15) and a control group(n=15), respectively. Basic therapeutic exercise(ROM exercise, stretching exercise, strengthening exercise) were conducted twice a day for 30 minutes each time in all subjects and air stacking exercise was additionally conducted on the experimently group only. Air stacking exercise was conducted for 4 weeks, twice a day, 5 times a week and repeated 10 to 15 times each time. Lung capacity, MIC and, peak cough flow were measured and evaluated. Results:The results showed that FEV1, FVC, MIC, UPCF and APCF were significantly increased(p<.05), but FEV1/FVC didn't show the significant differences in an experimental group. In a control group, the findings showed that FEV1, FVC were increased significantly(p<.05) while FEV1/FVC, MIC, UPCF, and APCF didn't show the significant differences.There were significant differences in FEV1, FVC, MIC, and APCF between a experimental group and a control group in the results of Pulmonary Function Test after conducting the pulmonary rehabilitation. However, no significant differences were found in FEV1/FVC, and UPCF between a experimental and a control group(p>.05). Conclusion:air stacking exercise has positive effects on the improvements of cough functions and that of pulmonary functions such as lung volume, lung elasticity in patients with cervical cord injury.
  • 12.

    The Effect of Electromyographic Biofeedback Training on the VMO/VL Electromyographic Activity Ratio and Onset Timing in Women without Knee Pathology

    김현희 | Changho Song | 2010, 5(4) | pp.605~613 | number of Cited : 1
    Purpose:The purpose of this study was to investigate the VMO/VL ratio and onset timing using EMG biofeedback training over a 5-day period. Methods:Twenty-one healthy female college students with no known right knee musculoskeletal dysfunction were recruited this study. Muscle activity was measured by surface electromyography(Myosystem 1400A, Noraxon Inc., U.S.A). Statistical analysis was used two-way repeated ANOVA to know difference between the vastus lateralis and vastus medialis oblique onset timing differences, VMO/VL ratio. Results:Biofeedback training group significantly improved VMO/VL ratio and EMG activity of the vastus medialis oblique after intervention. Conclusion:These result indicate that biofeedback training on the vastus medialis oblique has effect on the VMO/VL ratio. EMG biofeedback can be recommended for the facilitation of VMO muscular recruitment.
  • 13.

    Quantitative analysis of lumbar multifidus atrophy with low back pain patients using Magnetic Resonance Image

    양대중 | 2010, 5(4) | pp.615~621 | number of Cited : 1
    Purpose:The purpose of this study was to compare chronic LBP patients and asymptomatic subjects on measures of multifidus size (cross-sectional area;CSA, thickness) and symmetry (proportional difference of relatively larger side to smaller side). Methods:Data were obtained from 12 asymptomatic subjects without a prior history of LBP (8 females, 4 males), and a retrospective audit was undertaken of records from 12 chronic low back pain patients (8 females, 4 males). CSA and Thickness of the lumbar multifidus muscles was measured from axial T1-weighted magnetic resonance images(MRI). Results:The results of the analysis showed that chronic LBP patients had significantly smaller multifidus CSA and thickness than asymptomatic subjects at L4-5 vertebral levels(p<.05). The asymmetry between sides was seen at L4- L5 vertebral level in patients with chronic low back pain presentations(p<.05). Conclusions:MRI provided a quantitative measure of change between asymptomatic subjects and chronic low back pain patients of multifidus muscle. MRI identified significant differences in cross-sectional area and thickness and helps to evaluate clinically and plan the treatment modalities of LBP.
  • 14.

    The Effect of Recovery of disability on Post-stroke Depression

    하미숙 | 박민철 | Bongoh Goo | 2010, 5(4) | pp.623~632 | number of Cited : 2
    Purpose:The purpose of this study was to identify the effect of recovery of disability on post-stroke depression in stroke patients. Methods:Fifty patients with stroke were participated in this study. The stroke impact scale(SIS) was used to assess the recovery of disability according to stroke and short form of geriatric depression scale(SGDS) was used to assess the poststroke depression(PSD). Results:The suspicious for depression were exhibited in 38%(n=19) and patients with depression were 58% (n=26) of 50 patients with stroke. In correlation between recovery of disability and depression, emotion and recovery of stroke negatively correlated with depression(p<.05). Conclusion:These results demonstrates that patients with stroke need to manage and treat emotion for the prevention and management of PSD.
  • 15.

    The Effects 12 Weeks of Combined Exercise Programs on Activities of Daily Living and Quality of Living Index in the Vascular Dementia Elders

    조성현 | 김승준 | 2010, 5(4) | pp.633~644 | number of Cited : 17
    Purpose:This study was to investigate vascular dementia elders's activities of daily living, quality of life index and to determine how much vascular dementia elders is influenced by the 12 weeks combined exercise program with aerobic training and resistance exercise. Methods:Thirty patients with vascular dementia over 65 in B geriatrics hospital were recruited this study. Activities of daily living were measured by I-ADL(instrumental-activities of daily living) and B-ADL(basic- Activities of daily living) and quality of life index was measured by GQOL-D(geriatric quality of life scale- dementia). Statistical analysis was used repeated one-way ANOVA to test mean difference by using SPSS 12.0 for windows. Results:After comparing the activities of daily living of experimental group that of control group according to the period of exercise, there were statistically significant differences in I-ADL, B-ADL score test and GQOL-D index test of both experimental and control groups. There was also a significant difference in comparing the results of 12 weeks exercise of the groups. Conclusion:12 weeks combined exercise program had a good influence on vascular dementia elders's activities of daily living and quality of life index.
  • 16.

    Changes in the Gross Motor Function, Self-esteem and Social Ability of Children with Spastic diplegia from Group Exercise: Case Study

    이은정 | Song Ju-min | 2010, 5(4) | pp.645~654 | number of Cited : 2
    Purpose:The purpose of this study was to investigate changes in the gross motor function, self-esteem and social ability of children with cerebral palsy from group exercise program for physical and emotional interaction. Methods:Five cerebral palsy children who live in U city were recruited this study. Exersise sessions were held for 1 hour per session, once per week, for 12 consecutive weeks. At pre-treatment and post-treatment, subject were tested gross motor function measure, self-esteem and social ability. Results:After 12 weeks of paticipation in the group exercise program for physical and emotional interaction, there were improvements for gross motor function measure, self-esteem and social ability. Conclusion:Group exercise program for physical and emotional interaction can improve gross motor function, self-esteem and social ability.
  • 17.

    The Clinical Application of modified Emory Functional Ambulation Profile for Chronic Stroke Patients

    Seong Yeol KIm | Je-Hoon Lee | 안승헌 | 2010, 5(4) | pp.655~666 | number of Cited : 2
    Purpose:The examine the reliability and validity of the modified Emory Functional Ambulation Profile(mEFAP) for assessing gait function in chronic stroke patients. Methods:A total of 45 stroke patients, who had a stroke more than 6 months, participated in the study. Reliability was determined by Intra-class Correlation Coefficient(ICC3,1), including Bland and Altman method (Standard Error of Measurement: SEM, Small Real Differences: SRD). Validity was examined by correlating results to the gait ability(mEFAP, Modified Motor Assessment Scale-Gait(MMAS-G), Scandinavian Stroke Scale- Gait(SSS-G), Functional Ambulation Category(FAC), 10m Waking Test(10m WT)), and Fugl Meyer-Lower/ Extremity(FM-L/E), Berg Balance Scale(BBS). Results:Inter-rater reliability for the total mEFAP was High(ICC2,1=.998), and absolute reliability were excellent (SEM: 1.75, SRD: 4.85). Subjects without assistance factor performed better on all tests than did subjects who had stroke. There were significant correlations between the mEFAP and MMAS-G, SSS-G, FAC(r=-.66∼-.79), 10 m WT(r=-.86), and FM-L/E, BBS(r=-.72∼-.78), indicating good validity. Increased times on the mEFAP correlated with poor performance on the gait ability, motor function of lower extremity, BBS and slow gait speeds on the 10 m WT in stroke patients. Conclusion:The mEFAP can be administered easily and comprehensively. It is a reliable gait assessment tool for patients with stroke and correlated with known of function, the mEFAP may be a clinically useful measure of ambulation.
  • 18.

    Effect of Balance Ability in the Eldery Women of Motion-based Game Exercise Program and Stretching Exercise Program

    You, Young-Youl | Byounghee Lee | 2010, 5(4) | pp.667~674 | number of Cited : 9
    Purpose:The purpose of this study was to investigate the effect of motion-based game exercise program and stretching exercise program on static and dynamic standing balance in elderly women. Methods:Subjects participated in the exercise program was 40 eldery women took part in this study. The average age of the elderly was 70.60 years. All subjects could walk without an assistive device. All subjects were participated in this study during 4 weeks(3 days per week, 30min/day). All participants were assessed on berg balance scale(BBS), functional reach test(FRT), timed up&go test(TUG). Results:The data were analyzed using paired t-test. After 4 weeks exercise training, the result of this study were as follows: The BBS of the elderly was significant difference between test-retest(p<0.05). The TUG of the elderly were significant difference between test-retest(p<0.05). The Motion-Based game from FRT of the was more significant difference than stretching exercise program(p<0.05). we also found significant differences for both groups FRT scores, and changes in mean BBS, TUG scores, but BBS, TUG were not significant. Conclusion:We findings suggest that elderly women person could improve their standing balance through Motion-Based game exercise program, and stretching exercise program.
  • 19.

    The Effects of Whole Body Vibration on Knee Extensor Strength, and Balance and Walking Ability with Chronic Stroke

    In Tae Sung | Changho Song | 2010, 5(4) | pp.675~683 | number of Cited : 12
    Purpose:The purpose of this study was to evaluate the effect of Whole body vibration exercise(WBVE) in patient with chronic stroke. Methods:Thirty patients were divided into two groups by randomly experimental group(14 subject) and control group(16 subject) in a single blinded, randomised study. experimental group was conducted for the 6-weeks WBVE program and had a structured exercise program for 16 minutes, 5 days per week and control group was conducted for the shame exercise program. Outcome variables included the knee extensor strength, Berg balance scale, Timed up and go test at 0 and 6 weeks. Results:The experimental group tended to improve more than the control group in balance(Berg balance scale) and walking ability(Timed up and go test). There were no trends in differences in change scores by the knee extensor strength. Conclusion:WBVE program may be helpful to improve knee extensor strengthening, dynamic balance and walking ability for patients with chronic patients.
  • 20.

    The Effect of Repetitive Hand Task on Upper Extremity Proprioception and Dexterity

    이현숙 | SungJoong Kim | 유재호 | 2010, 5(4) | pp.685~692 | number of Cited : 1
    Purpose:The purpose of this study was to investigate effects of repetitive hand task on upper extremity proprioception and dexterity. Methods:Experimental group who had done hand task since last 1 year and young adult control group was recruited this study. Proprioception was measured positioning errors of elbow and wrist on three dimensional coordinate system by Winarm software(Zebris Medcal GmbH, Germany). And dexterity was measured by box and block test. Statistical analysis was used independent t -test. Results:When elbow moved from flexion to extension, there were significant difference on error of x axis in wrist location and erros of x, z axis in shoulder location(p<.05). When wrist moved from flexion to extension, there was significant difference on y axis in finger location error(p<.05). And there significant difference on dexterity(p<.05). Conclusion:In conclusion, repetitive hand task increase upper extremity proprioception and dexterity. The physical therapy in industrial workers should inhibit overuse injury.