• Title/Summary/Keyword: Gait performance

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Effects of Virtual Reality Horse Riding Simulator Training Using a Head-Mounted Display on Balance and Gait Functions in Children with Cerebral Palsy: A Preliminary Pilot Study

  • Kim, Hae Won;Nam, Ki Seok;Son, Sung Min
    • The Journal of Korean Physical Therapy
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    • v.31 no.5
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    • pp.273-278
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    • 2019
  • Purpose: The purpose of this study was to investigate the effects of three-dimensional virtual reality horse riding simulator training using a head-mounted display on gait and balance in children with cerebral palsy. Methods: Ten children with cerebral palsy were randomly assigned to the horse riding simulator (HRS) group (n=5) or the horse riding simulator with virtual reality (HRSVR) group (n=5). To evaluate balance, center of gravity (COG) sway velocity and total sway distance of each group were assessed using the Wii balance board, and gait speed and stride length of each group were assessed using a gait analysis system. Results: Intra-group comparisons between pre- and post-intervention measures revealed that there were significant changes in all gait and balance variables such as stride length, gait velocity, COG sway velocity and COG sway distance in the HRSVR group (p<0.05). In the HRS group, there were significant changes in all variables except stride length (p<0.05). In addition, inter-group comparisons showed significant differences between the two groups in stride length, gait velocity and COG sway distance except COG sway velocity (p<0.05). Conclusion: The findings of this study suggest that horse riding simulator training combined with 3D virtual reality can be a new positive therapeutic approach for improving functional performance in children with cerebral palsy.

Comparison of Gait Characteristics in Young and Old Persons with GAITRite System Analysis (GAITRite 시스템 분석을 통한 젊은층과 노년층의 보행특성 비교)

  • Hwang-bo, Gak;Jeong, Hak-young;Bae, Sung-soo
    • PNF and Movement
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    • v.1 no.1
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    • pp.33-41
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    • 2003
  • Objectives : The purpose of this study was to describe and compare the temporo-spatial gait characteristics of healthy young people with those of healthy elderly people. Methods: The data were collected by 40 volunteers. 20 subjects were between 20 and 31 years of age, and 20 subjects were between 65 and 84 years of age. Temporal and spatial parameters of gait were analysed for using the computerized GAITRite system. Results : The system integrates specific components of locomotion to provide a single, numerical representation of gait, the Functional Ambulation Performance score. Differences in gait characteristics between the two groups were examined using a correlated t-test(p<.05). Significant differences were observed between the groups for step length, step/extremity ratio and velocity. Young people demonstrated a significantly larger velocity, step length and step/extremity ratio than the elderly people. Conclusions: These results indicate that the GAITRite system can be useful in detecting footfall patterns and selected time and distance measurements of young and older persons. Additionaly, differences in walking velocity, step length and step/extremity ratio between old and young people may have influenced the gait characteristics measured.

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Gait Angle Prediction for Lower Limb Orthotics and Prostheses Using an EMG Signal and Neural Networks

  • Lee Ju-Won;Lee Gun-Ki
    • International Journal of Control, Automation, and Systems
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    • v.3 no.2
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    • pp.152-158
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    • 2005
  • Commercial lower limb prostheses or orthotics help patients achieve a normal life. However, patients who use such aids need prolonged training to achieve a normal gait, and their fatigability increases. To improve patient comfort, this study proposed a method of predicting gait angle using neural networks and EMG signals. Experimental results using our method show that the absolute average error of the estimated gait angles is $0.25^{\circ}$. This performance data used reference input from a controller for the lower limb orthotic or prosthesis controllers while the patients were walking.

Effects of 12-week Aquatic Exercise on Gait in the Falls Experienced Elderly Women (12주간 수중운동이 낙상 경험 여성 노인들의 보행에 미치는 영향)

  • Kim, Chang-Bum;Shin, Jun-Yong
    • Korean Journal of Applied Biomechanics
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    • v.17 no.4
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    • pp.9-16
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    • 2007
  • The purpose of this study was to analyze the effects of after aquatic exercise on gait in the Falls Experienced elderly. There were one group : Fall Experienced Elderly Women(n=8). They were tested on their gait (Elapse time of each phase, Stance time of limb, Stride length, Velocity of segment). we took video and analyzed their movement using Ariel Performance Analysis System and compared gait parameters. For data analysis, mean and standard deviation scores were calculated, and correspondence sample t-test and pearson's correlation analysis were used. First, after exercise is short than before exercise on Elapse time of each phase, fall-experience subjects showed meaningful total time. Second, after exercise is short than before exercise on Stance time of limb and Stride length, fall-experience subjects showed meaningful Stride length. Third, after exercise is fast than before exercise on Velocity of segment.

A Gait Analysis of the Women with Unilateral Posterior Rotated Ilium : A Clinical Case Report (편측 장골이 후방 회전된 여성의 보행분석 : 임상 사례보고)

  • Yang, Kyung-Hye
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.20 no.1
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    • pp.27-34
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    • 2014
  • Background: The purpose of this clinical case report is to confirm sacroiliac joint misalignment effects on the gait. Methods: A healthy women volunteered to participate in this case report. Measurement of the subject was performed two categories. One is physical examination of the pelvic by inspection, palpation, movement based tests and pain provocation tests. The other one is gait performance measurement by 3 dimentional motion analysis. Results: Diagnosis by physical examination of the subject was Lt. ilium posterior rotation. Pelvic, hip, knee and ankle in the 3 dimensional kinematic data, the most notable result was the ankle. Conclusion: To confirm the effect of the misalignment of the sacroiliac joint on the gait function, it must be evaluated by integrating the movement to the ankle from the lumbar.

The Effect of Using a Two Step Verbal Cue to a Visual Target above Eye Level on the Parkinsonian Gait (파킨슨병 환자 보행에서 눈 높이 위수준의 시작 목표에 대한 두 걸음 구두 암시의 효과)

  • Kim, Jong-Man;Ahn, Duk-Hyun;Choi, Woon-Sung
    • Physical Therapy Korea
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    • v.1 no.1
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    • pp.92-97
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    • 1994
  • It is well known that visual cues can improve the motor performance of Parkinsonian patients. Previous laboratory studies have examined the effects of visual cueing to the floor. This case study examined the effects of using a visual cue above eye level on the gait of a Parkinsonian man. It was found that cueing the patient to a target above eye level while waking not only improved the kinematic parameters of the gait cycle but also facilitated a more functional gait pattern with re-intergration of arm swing, rhythm, heel strike and a more erect posture. Visual targeting above eye level may serve as an important clinical tool for physiotherapists treating Parkinsonian patients.

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Effects of Trunk Stability Exercise by using PNF on Trunk Control Ability and Balance, Gait in a Patient with Hemiplegia: A Single Case Study (PNF를 이용한 체간안정화운동이 뇌졸중 환자의 체간조절능력과 균형, 보행에 미치는 영향: 단일사례연구)

  • Jung, Du-Kyo
    • PNF and Movement
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    • v.13 no.4
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    • pp.203-213
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    • 2015
  • Purpose: Deficits in lower-extremity function and trunk control ability have a negative impact on individuals with hemiplegia. This case report aimed to describe the effect of trunk stability exercises using proprioceptive neuromuscular facilitation (PNF) on trunk control ability, balance, and gait in a patient with hemiplegia. Methods: A 77-year-old man with hemiplegia and trunk and lower extremity impairment participated in this four-week training intervention. Results: The patient demonstrated improvements in trunk control ability, balance, and gait performance. Outcome measures (Fugl-Meyer Assessment Lower Extremity (FMA-LE), Trunk Control Test, Berg Balance Scale, Timed Up and Go test, 10 Meter Walk test) were measured before and after the training program. Conclusion: The results of this case suggest that a trunk stability exercise using a PNF program may improve trunk control ability, balance, and gait in a patient with hemiplegia.

Kinematic Effects of Newly Designed Knee-Ankle-Foot Orthosis With Oil Damper Unit on Gait in People With Hemiparesis

  • Park, Hyung-Ki;Kim, Tack-Hoon;Choi, Houng-Sik;Roh, Jung-Suk;Cynn, Heon-Seock;Kim, Jong-Man
    • Physical Therapy Korea
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    • v.20 no.1
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    • pp.64-73
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    • 2013
  • The purposes of this study were to develop a new orthosis controlling ankle and knee joint motion during the gait cycle and to identify the effects of the newly designed orthosis on gait kinematics and tempospatial parameters, including coordination of the extremities in stroke patients. Fifteen individuals who had sustained a stroke, onset was 16 months, participated in this study. Before application of the measurement equipment the subjects were accustomed to walking on the ankle-foot orthosis (AFO) or stance control knee with knee flexion assisted-oil damper ankle-foot orthosis (SCKAFO) for 5 minutes. Fifteen patients were investigated for 45 days with a 3-day interval between sessions. Measurements were walking in fifteen stroke with hemiparesis on the 3D motion analysis system. Comparison of AFO and SCKAFO are gait pattern. The difference between the AFO and SCKAFO conditions was significant in the gait velocity, step length of the right affected side, stance time of both legs, step-length asymmetry ratio, single-support-time asymmetry ratio, ${\phi}$-thigh angle and ${\phi}$-shank angle in the mid swing (p<.001). Using a SCKAFO in stroke patients has shown similar to normal walking speeds can be attained for walking efficiency and is therefore desirable. In this study, the support time of the affected leg with the SCKAFO was longer than with the AFO and the asymmetry ratio of single support time decreased by more than with the AFO. This indicates that the SCKAFO was effective for improving gait symmetry, single-support-time symmetry. This may be due to the decrease of gait asymmetry. Thus, the newly designed SCKAFO may be useful for promoting gait performance by improving the coordination of the extremity and decreasing gait asymmetry in chronic stroke patients.

Effects of Performing Dual Task on Temporospatial Gait Variables in Subjects With Subacute Stroke (아급성기 뇌졸중 환자의 이중 과제 수행이 보행의 시·공간적 변수에 미치는 영향)

  • Jang, Young-Min
    • PNF and Movement
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    • v.15 no.3
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    • pp.361-371
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    • 2017
  • Purpose: The purpose of this study was to examine the effects of performing a dual task on gait velocity, temporospatial variables, and symmetry in subjects with subacute stroke. Methods: The study included 14 independent community ambulators with gait velocity of 0.8m/s. The Korean mini-mental state examination, the Berg balance scale, the Trunk impairment scale, and the Fugl-Meyer assessment scale were used to recruit homogeneous subjects. Subjects performed a single task (10m ambulation at a comfortable speed) and a dual task (10m ambulation at a comfortable speed while carrying a water-filled glass). Gait variables were examined with the OptoGait system. Results: The findings of this study were as follows: 1) Gait velocity decreased significantly in the dual-task condition as compared to the single task condition. 2) There were no significant differences between the paretic and non-paretic stances. 3) Paretic swing decreased significantly in the dual-task condition as compared to the single task condition. 4) The non-paretic, double-limb support phase increased significantly in the dual-task condition as compared to the single- task condition. 5) There was no significant difference in temporal symmetry. 6) Non-paretic step length decreased significantly in the dual-task condition as compared to the single-task condition. 7) There was no significant difference in spatial symmetry. Conclusion: Performing dual tasks decreases gait velocity, paretic swing phase, and non-paretic step length, while it increases non-paretic double limb support. In addition, although there is no difference in temporospatial symmetry, there is high inter-subject variability in temporospatial symmetry. Thus, dual tasks should be selected in accordance with the functional level of the hemiplegic patient, and inter-subject variability of the individual should be considered when dual tasks are considered for gait-training of hemiplegic patients.

Effects of the Education about the Self-application of the Kinesio-Taping for the Adult Women with Chronic Low Back Pain on Pain, Satisfaction and Gait (키네시오 테이핑 자가적용 교육이 만성요통 성인 여성들의 통증, 만족도 및 보행에 미치는 영향)

  • Son, Sungmin;Kwag, Sungwon;Jeon, Byoungjin
    • 재활복지
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    • v.22 no.4
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    • pp.1-22
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    • 2018
  • We aimed to analyze the effects of Kinesio-Taping on pain, satisfaction, and gait, and to provide basic data on the self-application of this method. The participants were 30 adult women with chronic low back pain. Kinesio-Taping was applied for 2 weeks, followed by 4 weeks of self-application education and self-application. The participants' pain levels were analyzed using the visual analog scale, satisfaction was analyzed using the Canadian Occupational Performance Measure, and gait was analyzed in terms of stride length, step length, step width, and gait time using the Walkway MG-1000 gait analyzer. The results of the pain showed the statistically significant decrease steadily (p<0.001) and the results of the satisfaction showed the statistically significant increase steadily (p<0.001) from the application of the Kinesio-Taping. Also, according to the In-Object verification between pre-test, taping application (after 2 weeks) and Self-application (after 4 weeks), the results of the satisfaction showed statistically significant difference (p<0.001). According to the gait analysis, the results of the stride length and step length showed the statistically significant increase steadily (p<0.001) and the results of the step width and gait time showed the statistically significant decrease steadily (p<0.001) from the application of the Kinesio-Taping. Also, according to the In-Object verification between pre-test, taping application (after 2 weeks) and Self-application (after 4 weeks), the results of the step width showed statistically significant difference (p<0.001). Thus, the self-application education about the Kinesio-Taping should be considered to reduce the pain and improve the performance level of the activities of daily life through the improvement of the self-management ability and to induce the active participation in the self-management activities and increase the satisfaction.