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The use of electromyography and gamification in medical rehabilitation
Hatala, Branislav ; Lázna, Tomáš (referee) ; Chromý, Adam (advisor)
The possibility of using EMG signal measurement and gamification for the purpose of rehabilitation is a field that is being researched for several years, yet there are some questions that were not answered satisfyingly. This work is focused on creating a low-cost system, that can be used for research in this field, also this device uses VCOM interface to send raw data so it can be plotted in real-time and recorded. The device is made of FRDM-KL27Z development board and olimex-EMG-shield, the pivotal part of this work is the software of the device and overview of signal processing used in EMG. Creation of games purposed for use with this device for rehabilitation is also part of this work. The system developed in this work was then tested on volunteers that suffers from sarcopenia, and effects of device usage were evaluated.
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Electromyographic study of selected neck muscles in patients with torticollis
Pospíchalová, Tereza ; Pánek, David (advisor) ; Malá, Jitka (referee)
Title: Electromyographic study of selected neck muscles in patients with torticollis Objectives: The aim of the study was to determine the electrical muscle activity and the symmetry of the electrical muscle activity of selected neck muscles in patients with torticollis during flexion in three different positions - standing, sitting, lying on the back. Methods: The study involved 8 probands aged 27 - 60 years. The Noraxon TeleMyo 2400T G2 surface electromyography device for telemetry data transmission technology with a sampling frequency of 1500 Hz was used for the measurement. The surface electrodes were applied to five target muscles bilaterally, namely the sternocleidomastoid muscle, scaleni muscles, suprahyoid muscles, infrahyoid muscles and trapezius muscle upper part. Subsequently, the probands performed cervical spine flexion fifteen times in a randomized order of positions in synchronism at the same speed by setting the metronome to 60 bpm. The electrical muscle activity of the examined muscles was used in average %MVC values in comparison right/left, as well as changes in average %MVC values depending on positions and symmetry of electrical muscle activity during neck flexion using Pearson's correlation coefficient. Results: The values of the average %MVC of the contralateral SCM against...
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Use surface electromyography in the clinical practice
Dobisová, Anna ; Crhonková, Radka (advisor) ; Demeková, Júlia (referee)
Surface electromyography is a non-invasive method of examination. Surface electrodes localized on the skin above the muscle record action potentials of particular muscles' motor units. Acquired EMG recordings enable to assess muscle activity, muscle fatigue or recruitment of particular muscles during the motion (timing) and muscle coordination. Modern EMG devices are compatible with a scale of sensors that record other biosignals and are able to synchronize them with EMG records. That's why SEMG is applied in neurology, physiotherapy, ergonomics, biomechanics, orthopaedics, prosthetics, sport and in other spheres. As a non-invasive method it has its advantages, but of course its limits as well. Powered by TCPDF (www.tcpdf.org)
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Strategy of posture stabilisation in stand on unstable base and under application of container with water
Láncz, Lukáš ; Lopot, František (advisor) ; Kubový, Petr (referee)
Title: Strategy of postural stabilisation using unstable surface and water barrel. Objectives: The aim of this study is to investigate the level of muscle actiavtion of choosen muscles during lunge on unstable surface or with using water barrel. Investigation of the postural strategy used during lunge orn unstable surface or with the water barrel and creation of methodology for measurment and data analysis. Methods: Into this pilot study, there were picked 5 people (athletes). Data for outcomes where used from 3 athletes. The measurement of level of muscle activation were done by surface electromyography over gluteus medius muscle and musculi multifidii bilaterally.For data procession was used software Origin 2012 Postural stability was measured through force plates by Kistler and gained data were procesed by using software programmes Bioware, MS Excel and Matlab. For data analysis from EMG measurement was used simple comparasion of outcomes. Stabilometry outcomes were analysed by statistical methode t-test. Results: The results indicate greater level of measured trunk muscles activation during lunge with aquabag than lunge on unstable surface. Another thing which was found is that there was higher activation of Gluteus medius muscle on dominant lower extremity when performin lunge on unstable...
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Strategy of posture stabilisation in stand on unstable base and under application of container with water
Láncz, Lukáš ; Lopot, František (advisor) ; Kubový, Petr (referee)
Title: Strategy of postural stabilisation using unstable surface and water barrel. Objectives: The aim of this study is to investigate the level of muscle actiavtion of choosen muscles during lunge on unstable surface or with using water barrel. Investigation of the postural strategy used during lunge orn unstable surface or with the water barrel and creation of methodology for measurment and data analysis. Methods: Into this pilot study, there were picked 5 people (athletes). Data for outcomes where used from 3 athletes. The measurement of level of muscle activation were done by surface electromyography over gluteus medius muscle and musculi multifidii bilaterally.For data procession was used software Origin 2012 Postural stability was measured through force plates by Kistler and gained data were procesed by using software programmes Bioware, MS Excel and Matlab. For data analysis from EMG measurement was used simple comparasion of outcomes. Stabilometry outcomes were analysed by statistical methode t-test. Results: The results indicate greater level of muscle activation during lunge with aquabag than lunge on unstable surface for most of the measured muscles. The only exception, where level of muscle activity was higher, was multifidi muscle on rear leg. Another outcome proved that the postural...
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Measurement of lower extremities spasticity in patients with cerebral palsy
Vavřinová, Dominika ; Říha, Michal (advisor) ; Pavlů, Dagmar (referee)
Title: Measurement of lower extremities spasticity in patients with cerebral palsy Objectives: The aim of the theoretical part of this thesis is to evaluate possibilities of lower extremities spasticity measurement in adult patients with cerebral palsy. The main focus was given to the concept of French professor J.-M. Gracies: Five-step clinical assessment in spastic paresis. This unique concept presents differentiation of three main factors of motor impairment that emerge as a result of a lesion to central motor pathways: stretch sensitive paresis, soft tissue contracture and muscle overactivity. Ability to distinguish these factors is crucial for specific treatment indication. Finding a correlation between the Five-step clinical assessment in spastic paresis and muscle activity in gait measured with sEMG was the main objective in the practical part of the thesis. Methodology: This thesis has a theoretical-empirical character. The theoretical part is in a form of a research on the topic of spasticity diagnosis, focused on cerebral palsy patients. The empirical part of the thesis has a form of pilot quantitative research, which was attended by 6 participants with cerebral palsy (4 men and 2 women; average age 29 years). There were 2 independent measurement made for each of them. Each measurement...
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Measurement of lower extremities spasticity in patients with cerebral palsy
Vavřinová, Dominika ; Říha, Michal (advisor) ; Pavlů, Dagmar (referee)
Title: Measurement of lower extremities spasticity in patients with cerebral palsy Objectives: The aim of the theoretical part of this thesis is to evaluate possibilities of lower extremities spasticity measurement in adult patients with cerebral palsy. The main focus was given to the concept of French professor J.-M. Gracies: Five- step clinical assessment in spastic paresis. This unique concept presents differentiation of three main factors of motor impairment that emerge as a result of a lesion to central motor pathways: stretch sensitive paresis, soft tissue contracture and muscle overactivity. Ability to distinguish these factors is crucial for specific treatment indication. Finding a correlation between the Five-step clinical assessment in spastic paresis and muscle activity in gait measured with polyEMG was the main objective in the practical part of the thesis. Methodology: This thesis has a theoretical-empirical character. The theoretical part is in a form of a research on the topic of spasticity diagnosis, focused on cerebral palsy patients. The empirical part of the thesis has a form of pilot quantitative research, which was attended by 6 participants with cerebral palsy (4 men and 2 women; average age 29 years). There were 2 independent measurement made for each of them. Each...
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The Appearance of the reflex locomotion elements in the hurdle clearance stride
Musil, Daniel ; Hojka, Vladimír (advisor) ; Kaplan, Aleš (referee)
Title: The Appearance of the reflex locomotion elements in the hurdle clearance stride Thesis Objective: The main objective of this thesis is to state the frequency of the presence of reciprocal inhibition (RI) and cross extensor reflex (CI - contralateral inhibition) during hurdle overrun. Methods: The subjects were tested during running over three hurdles with modified distances similar to the 110m hurdles. The height of the hurdles was set to 0,99 m. The muscle activity was monitored by surface electromyography and video was recorded simultaneously. The hurdle clearance was divided into particular phases which altogether formed one cycle. Collected data was analyzed by the software Megawin (rectification, smoothing, and synchronization with camera) and subsequently converted into software MATLAB. Nine cycles of each subject were averaged. Such modified cycle was evaluated consequently. Results: Reflex locomotion (RI and CI) was presented more often in the group with less experience with the hurdles. Co-activation of antagonist muscles was typical for the group consisting of more experienced individuals, rather than RI and CI. Key Words: hurdles, biomechanics, sEMG, reciprocal inhibition, contralateral inhibition
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Use of orthotic aids for children with cerebral palsy
PIPKOVÁ, Veronika
Cerebral palsy (CP) is a complex of disorders in the development of posture and ability to move which cause limitation of activity. It is an unprogressive disease, which begins in the prenatal, perinatal, or postnatal phase of a neonate. Although the disability does not progress, complex rehabilitation may improve the clinical state. There is a difference between the spastic and the non-spastic type. The major aim of this thesis is to map the possibilities of orthotic care for children suffering from CP and to evaluate the effect of physiotherapy with the use of chosen aids. Three probands suffering from hemiparetic CP participated in the research. The aim is to answer these research questions: What are the possibilities of orthotic care for children with cerebral palsy? What changes will occur in the postural behaviour of probands due to the physiotherapy with the use of orthotic aids? The theoretical part is concerned with the issues of CP. The disease is described in a general way and divided according to the time of beginning and type. Furthermore, the diagnostics and therapy are explained. It is also concerned with spasticity and its symptoms, mechanisms, diagnostics and therapy. An overview of orthotic aids, and experimental methods like posturography and surface electromyography are covered as well. The practical part deals with a qualitative research which was completed by case interpretations of three schoolchildren suffering from hemiparetic CP. The thesis includes an initial and a final kinesiologic analysis and a description of applied physiotherapies. Furthermore, it includes the results of posturogtaphy and surface electromyography focused on the orthotic aids used by the probands. The research took place in Centrum Arbida in České Budějovice and in the physiotherapy centre at the Faculty of Health and Social Sciences of The University of South Bohemia in České Budějovice. This thesis may be used as a comprehensive overview of the given issues and possibilities of orthotic therapy for children suffering from CP.
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