• 제목/요약/키워드: Lower-limb

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Validity of a Portable APDM Inertial Sensor System for Stride Time and Stride Length during Treadmill Walking

  • Tack, Gye Rae;Choi, Jin Seung
    • 한국운동역학회지
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    • 제27권1호
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    • pp.53-58
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    • 2017
  • Objective: The purpose of this study was to compare the accuracy of stride time and stride length provided by a commercial APDM inertial sensor system (APDM) with the results of three dimensional motion capture system (3D motion) during treadmill walking. Method: Five healthy men participated in this experiment. All subjects walked on the treadmill for 3 minutes at their preferred walking speed. The 3D motion and the APDM were simultaneously used for extracting gait variables such as stride time and stride length. Mean difference and root mean squared (RMS) difference were used to compare the measured gait variables from the two measurement devices. The regression equation derived from the range of motion of the lower limb was also applied to correct the error of stride length. Results: The stride time extracted from the APDM was almost the same as that from the 3D motion (the mean difference and RMS difference were less than 0.0001 sec and 0.0085 sec, respectively). For stride length, mean difference and RMS difference were less than 0.1141 m and 0.1254 m, respectively. However, after correction of the stride length error using the derived regression equation, the mean difference and the RMS difference decreased to 0.0134 m and 0.0556 m or less, respectively. Conclusion: In this study, we confirmed the possibility of using the temporal variables provided from the APDM during treadmill walking. By applying the regression equation derived only from the range of motion provided by the APDM, the error of the spatial variable could be reduced. Although further studies are needed with additional subjects and various walking speeds, these results may provide the basic data necessary for using APDM in treadmill walking.

뇌졸중 환자의 하지 강직에 대한 음양경락별 전침의 효과 (The Effect of Electroacupuncture by Yin and Yang meridians on Leg Spasticity of Stroke Patients)

  • 박세욱;이민구;이선우;강백규;손지우;박상무;이인;문병순
    • 대한한방내과학회지
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    • 제27권2호
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    • pp.371-378
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    • 2006
  • Objectives : The aim of this study is to review the effects of acupuncture on lower limb spasticity control in stroke patients. Methods: H-reflex/M-response ratio and Modified Ashworth Scale was used for evaluation of spasticity control before acupuncture, within one hours after acupuncture , at twenty-four hours, and four weeks. We divided two groups. One is the yin meridian acupunctured goup and the other is the yang meridian acupunctured group. Results: H/M ratio is declined within 1 or 24 hours after acupuncture for poststroke spasticity patients. The yin meridian acupunctured group is a bit more efficient than the yang meridian acupunctured goup. But there is no meaning in the statistics because of small patient pool. Conclusions: We need more patients group to decide the effect of electro- acupuncture on leg spasticity of stroke patients.

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운동, 알코올, 약물 등 복합적 요인으로 유발된 횡문근융해증 환자 치험 1례 (A Case Report of Rhabdomyolysis Induced by a Combination of Exercise, Alcohol, and Medication)

  • 진준수;이희정;민백기;공원호;서호석;김진원
    • 대한한방내과학회지
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    • 제39권5호
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    • pp.904-913
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    • 2018
  • Rhabdomyolysis is a syndrome that evokes either myopathy or cola-colored urine with elevated creatine kinase and myoglobin levels. The most common complication of rhabdomyolysis is acute renal failure (ARF). A large quantity of fluid must be injected promptly the first time symptoms appear, whereas sequela of symptoms has remained in the long run. In this report, a 58-year-woman was diagnosed with ARF due to rhabdomyolysis induced by exercise, alcohol, and medication. A treatment of acupuncture and herbal medicines was carried out for over 2 months. To evaluate the condition of the patient's lower limb, a short form of the McGill Pain Questionnaire, Visual Analogue Scale (VAS), European Quality of Life-5 Dimensions (EQ-5D), and Manual Muscle Test (MMT) points were used. As a result, clinical symptoms and quality of life improved noticeably after treatment with Korean medicine. This suggests that Korean medicine has an effect on rhabdomyolysis.

건강한 성인의 경골 회전 테이핑 방법에 따른 내측사광근과 외측광근의 근활성도 비교 (A Comparison of Vastus Medialis Oblique and Vastus Lateralis Electromyography Activities According to Different Tibial Rotation Taping Methods in Healthy People)

  • 성기욱;오윤재;김선엽
    • 대한물리의학회지
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    • 제13권2호
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    • pp.33-41
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    • 2018
  • PURPOSE: Femur and tibia alignment in the knee joint is important to the biomechanics of lower limb movement. The purpose of this study was to compare vastus medialis oblique (VMO) and vastus lateralis electromyographic muscle activities according to tibial rotation taping methods. METHODS: Twenty-nine healthy subjects (13 males and 16 females) in the 20s, without knee joint-related diseases or disorders, participated in our study. After identifying each subject's dominant foot, the maximal voluntary isometric contraction (MVIC) was determined using a manual muscle tester. The activity of each target muscle was measured at 50% MVIC in isometric muscle contraction and at a $30^{\circ}$ knee flexion position before and after applying internal and external rotation taping by the Mulligan concept and in the neutral position. Non-elastic tape was used to stabilize the tibia rotation position. RESULTS: In the males, VMO muscle activity was significantly increased in the tibia internal rotation position ($47.2{\pm}14.6$, $mean{\pm}SD$) than in the neutral position ($39.3{\pm}14.9$) (p<.05). CONCLUSION: The results of this study indicate that when applying tibia internal rotation taping in healthy males, VMO muscle activity significantly increases during isometric extension of the knee. Therefore, this study provides a basis for selecting the appropriate taping method, in consideration of the available treatments in clinical practice for patients with knee problems.

Clinical Features and Long-Term Outcome in Adult Stroke Patient due to Moyamoya Disease : A Single Subject Study

  • Kwon, Yong Hyun;Kim, Chung Sun
    • The Journal of Korean Physical Therapy
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    • 제25권3호
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    • pp.126-131
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    • 2013
  • This case report described a single case of adult stoke patient due to Moyamoya disease through long-term follow-up observation, which included his demographics, brain images, and change of motor function and functional activities. The subject was the 54-year-old male diagnosed with left hemiparesis from a stroke due to multifocal encephalomalacia in both hemispheres. At the time of the stroke attack, he took brain surgery intervention including external ventricular drain. Physical and occupational therapy for stroke rehabilitation were admitted including muscle strengthening exercises, functional activity/ADL training, neurofacilitative techniques with bobath or proprioceptive neuromuscular facilitation concepts, and compensatory strategy. Patient's MRI showed that right frontal lobe, right peri-ventricular area, left parietal, and left occipital lobes were damaged, and MRA showed that abnormal collateral vessel was richly developed in both hemispheres by occlusion of proximal internal carotid arteries in both sides. His motor strength was improved from poor to good grade in all of upper and lower limb motions, that MBC was improved from stage 1 to stage 5. In FAC and barthel index, at the initial evaluation, he could not perform any functional movement, but his FAC and barthel index were on 3 and 14 points at present, respectively. During long-term follow-up for approximately 4 years, the subject's functional motor ability was improved, as similar with recovery progression of usual stroke patient. We believe that this single case report will provide clinical information and concern regarding Moyamoya disease with physical therapist, in terms of such as epidemiology, pathogenesis, diagnostic procedures, clinical features, recovery process, and prognosis.

중재적 방사선 시술 시 환자선량에 대한 참고 준위 비교 (Reference levels for patient Radiation Dose in interventional radiological procedures)

  • 박혁;김용완;전주섭
    • 한국방사선학회논문지
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    • 제6권1호
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    • pp.11-17
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    • 2012
  • 중재적 방사선 시술 시 환자의 피폭선량을 시술별로 분류하여 측정 및 평가하여 안전관리 자료로 활용하고자 하였다. 검사는 시술별(TACE, EVAR, Iliac stent, Lower Limb, BAE, Embolization, PTBD, PTGBD, Abscess, Nephrostomy)로 투시시간, 면적선량, 영상획득이미지 수를 측정하였다. 시술별 분석결과 비혈관계 검사에서 전반적으로 낮은 값을 보였으며, 혈관계 검사에서는 IVC filter를 제외한 모든 검사에서 높은 값을 나타냈다. 투시시간은 EVAR가 24m30s로 가장 높았고, 면적선량 또한 EVAR가 236 $Gy/cm^2$로 가장 높았다. 면적선량률은 TACE가 22.8 $Gy/cm^2$로 높게 나타났다. 이 결과를 토대로 중재적 방사선시술시 환자피폭선량에 대한 기준선량을 제시하고자 한다.

전자체중계를 이용한 환측 체중부하훈련이 편마비 환자의 제중지지율과 보행에 미치는 효과 (Effects of continuous involved weight bearing training on symmetrical weight supporting rate improvement and gait characteristics of patients with Hemiplegia)

  • 이석민;심태호
    • 대한물리치료과학회지
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    • 제10권1호
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    • pp.7-17
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    • 2003
  • The purpose of this study was to investigate the effect of the involved lower limb weight bearing training on symmetrical weight supporting rate improvement and gait characteristics of patients with hemiplegia including their gait velocity, cadence, stride length, step length of the non affected side, step length of the affected side, foot angle of the non affected side, foot angle of the affected side, base of support, and so on. The subject of the study was 28 men and women patients with hemiplegia from 22 to 77 age, among patients who doctor diagnosed as hemiplegia due to stroke or traumatic brain injury, were possible to do independent gait more than 45m without others assistance, the flexion contracture of hip pint was less than $15^{\circ}$, did not have contracture for knee pint and one more than $5^{\circ}$ for ankle joint, did not have contraindication for exercise or gait did not show visual defect due to brain injury. The patients, the subject of the study, were classified into 14 patients of treatment. group applying continuous involved weight bearing with general therapeutic exercise and 14 patients of control group applying general therapeutic exercise, and then analyzed their gait before and after exercise. Temporal distance gait analysis(Boening, 1977) was used to analyze their gait, and ink foot-print was applied as one of measurement methods. However, it was statistically signifiant in the change rate(%) of gait characteristics, and treatment group's patients with hemiplegia had been highly changed in gait characteristics in comparison with control group. From the above-mentioned results, could find that continuous involved weight bearing training for patients with hemiplegia was effective to improve their gait ability and it could increase the ability in comparison with general exercise.

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외측 쐐기 깔창이 골관절염 환자의 내반슬에 미치는 영향에 관한 고찰 (A Review of Effects of Osteoarthritic Patient with a Varus Deformity of the Knee on Laterally Wedged Insole)

  • 이상용;신형수;배정수
    • 대한정형도수물리치료학회지
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    • 제11권1호
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    • pp.65-73
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    • 2005
  • Osteoarthritis has been considered a disease of the elderly because it is uncommon before the age of 40 years and is seen in approximately 80% of United States citizens older than 65 years. general population on kuri city in korea revealed that prevalence of knee osteoarthritis is 10.2%, increasing with age. High level of physical activity in men and age, post-menopause and obesity in women can be risk factor. Osteoarthritis is no evidence that a acquired process initiated much earlier in life through mechanical, metabolic, genetic, or other origins. A high tibial osteotomy alters static lower extremity alignment thereby decreasing medial compartment loading. As well, conservative treatment strategies, such as knee braces and valgus heel wedges, affect lover limb mechanics and attempt to reduce medial compartment loading. It was hypothesized that valgus heel wedges and modified orthoses would shift the center of pressure laterally on the foot during level walking, reducing the moment arm of the adduction moment in the frontal plane, thereby resulting in a decrease in the knee adduction moment. In the 1980s, the effect of wearing a laterally wedged insole on osteoarthritic patients with a varus deformity of the knee was firsted, and since then, kinematic and kinetic analyses concerning this condition have mainly focused on a static standing position. Since the early 1990s, the beneficial effect of wearing a laterally wedged insole to treat osteoarthritis of the knee has also been reported in dynamic conditions, but these studies did not answer the question of the kinematic and kinetic mechanisms that resulted in the reduced symptoms in patents with knee osteoarthritis. therefore, the effect of wearing laterally wedged insole has not been sufficiently studied.

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A Cross-sectional Study of Musculoskeletal Symptoms and Risk Factors in Cambodian Fruit Farm Workers in Eastern Region, Thailand

  • Thetkathuek, Anamai;Meepradit, Parvena;Sa-ngiamsak, Teerayut
    • Safety and Health at Work
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    • 제9권2호
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    • pp.192-202
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    • 2018
  • Background: Work-related musculoskeletal disorders are accumulative disorders that are most frequently found in agricultural farmers. The purpose of this study was to investigate factors that affect symptoms resulting from work-related musculoskeletal disorders among Cambodian farm workers working in fruit plantations in the eastern region of Thailand. Methods: The Nordic Musculoskeletal Questionnaire, Rapid Upper Limb Assessment, and Hazard Zone Jobs Checklist techniques were used to interview 861 farmers who participated in the study. Results: The data showed that men who had been working for >10 years were more at risk of neck pain than those working for <1 year with adjusted odds ratio (aOR) 1.66, 95% confidence interval (CI) (1.90, 14.5). Among women those who had been working for >10 years experienced lower back pain with aOR 8.13, 95% CI (1.04, 63.74), compared with those who had been working for <1 year. Men whose tasks required raising the arms above shoulder height had a risk factor contributing to neck pain of aOR 1.68, 95% CI (1.08, 2.61) when compared with those who did not work with this posture, and women had aOR 1.82, 95% CI (1.07, 3.12) when compared with those who did not work with this posture. Conclusion: Based on the results of this study, it is recommended that work-related health conditions are monitored in migrant plantation workers to reduce the risks of musculoskeletal disorders.

The effects of water-based exercise on postural control in children with spastic cerebral palsy

  • Kim, Kyung Ho;Shin, Hwa Kyung
    • Physical Therapy Rehabilitation Science
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    • 제6권2호
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    • pp.77-82
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    • 2017
  • Objective: Swimming and water-based exercise (WE) programs can provide vigorous physical activity in a fun and a motivating environment. The properties of water, may make it easier for children with cerebral palsy (CP) to move and to participate in an WE program. The aims of this study was to evaluate the effect of WEs on postural control in children with spastic CP. Design: Quasi-experimental design (one group pretest-posttest design). Methods: Twenty preschoolers with spastic CP participated in this study. Prior to the application, sufficient warm-up training was performed to allow the subjects to adapt to the water. Afterwards, three different types of underwater leg exercises for the flexor, extensor, and adductor/abductor of muscles of the lower limb were performed. The WE program lasted during 8 weeks, with one-40 minute sessions per week (8 training session). The usual care was performed during the training session. The Korean-trunk control measurement scale (K-TCMS) and weight distribution variability (difference of both Fz) were measured before and after training session. Results: According to the results, the K-TCMS scores of the three sub-levels, including static sitting, dynamic sitting, and dynamic reaching, was significantly increased after the training session (p<0.05). Also, the weight distribution variability was significantly decreased after 8 weeks (p<0.05). Conclusions: We suggest that WEs may improve the postural control ability in children with spastic CP. Furthermore, we support the need for additional research on the effect of WE on gait or activity of daily living performance with a control group included.