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    Wyświetlanie 1-6 z 6
    Tytuł:
    Wyznaczanie obciążeń układu szkieletowo-mięśniowego w stawach kończyn górnych podczas wykonywania czynności diagnostycznych
    Determination of loads of musculoskeletal system in upper limb joints during performing of diagnostic motions
    Autorzy:
    Wodarski, P.
    Jurkojć, J.
    Michnik, R.
    Bieniek, A.
    Gzik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/98984.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Śląska. Katedra Biomechatroniki
    Tematy:
    kończyna górna
    modelowanie
    AnyBody
    upper limb
    modelling
    Anybody
    Opis:
    W przeprowadzonych badaniach wykorzystano narzędzie inżynierskie jakie stanowi identyfikacja obciążeń w układzie mięśniowo-szkieletowym do diagnostyki osób z problemami neurologicznymi w obrębie kończyn górnych. Diagnostykę przeprowadzono w odniesieniu do wyników dla grupy 23 osób zdrowych. Obliczenia modelowe przeprowadzono z wykorzystaniem oprogramowania AnyBody i zweryfikowanego modelu Free Posture Move.
    In this study it was used the engineering tool such as the identification of loads of a muscle-skeletal system to diagnose of people with neurological problems in the upper limbs area. Diagnosis was carried out according to a group of 23 healthy subjects. Model calculations were computed using the Anybody software and using verified Free Posture Move model.
    Źródło:
    Aktualne Problemy Biomechaniki; 2016, 11; 133-141
    1898-763X
    Pojawia się w:
    Aktualne Problemy Biomechaniki
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wyznaczanie zdolności manipulacyjnych kończyn górnych u dzieci z wykorzystaniem technologii wirtualnej rzeczywistości
    Determination of upper limb manipulation for children with the use of virtual reality technology
    Autorzy:
    Wodarski, P.
    Gzik, M.
    Jurkojć, J.
    Michnik, R.
    Bieniek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/99311.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Śląska. Katedra Biomechatroniki
    Tematy:
    kończyna górna
    technologia wirtualnej rzeczywistości
    System Cave
    upper limb
    virtual reality technology
    Opis:
    Wykorzystanie nowoczesnych systemów Technologii Wirtualnej Rzeczywistości takich jak kaski 3D, cieszących się dużym powodzeniem w wybranych procesach terapeutycznych lub systemów typu Cave, pozwala w bardzo dobrym stopniu odwzorować rzeczywistość. Stosowanie tego typu systemów pozwala zindywidualizować procesy diagnostyczne i terapeutyczne, tworzy system bardzo uniwersalny. Głównym celem przeprowadzonych w ramach artykułu badań było określenie zdolności manipulacyjnych i koordynacji wzrokowo-przestrzennej dla dzieci z zaburzeniami neurologicznymi w systemie wykorzystującym Technologię Wirtualnej Rzeczywistości. Przeprowadzone badania wykazały znaczny wpływ skomplikowania wykonywanego ćwiczenia na sprawność z jaką dzieci wykonywały ruch – czym zadany do wykonania ruch był bardziej skomplikowany tym dzieci miały większe problemy z wykonaniem ćwiczenia. Zaobserwowano również, iż terapia z wykorzystaniem wirtualnej rzeczywistości wzmacnia motywacje do wykonywania żmudnych ćwiczeń poprawiających sprawność fizyczną i intelektualną.
    The using of modern technology and Virtual Reality systems turns out to be successful in selected therapeutic processes The use of this type of system allows you to customize the diagnostic and therapeutic processes, creates a very versatile system. The main aim of this article as part of the study was to determine the ability of manipulation and coordination for children with neurological disorders in a system using Virtual Reality technology. The study showed a significant effect of complexity of exercises performed on the efficiency with which children perform movement. It was also observed that therapy using virtual reality reinforces the motivation to perform strenuous exercises and improvement of physical and intellectual skills.
    Źródło:
    Aktualne Problemy Biomechaniki; 2014, 8; 163-168
    1898-763X
    Pojawia się w:
    Aktualne Problemy Biomechaniki
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of changing frequency and various sceneries on stabilometric parameters and on the effect of adaptation in an immersive 3D virtual environment
    Autorzy:
    Jurkojc, J.
    Wodarski, P.
    Bieniek, A.
    Gzik, M.
    Michnik, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/306890.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    wirtualna rzeczywistość
    stabilografia
    3D
    virtual reality
    balance control
    center of pressure
    posturography
    Opis:
    Purpose: The aim of the study was to examine the influence of different types of virtual sceneries and frequencies of movement of visual disturbances on stabilometric values as well as whether individual sceneries and changing frequency can minimize effect of adaptation of tested person to applied disturbances. Methods: There were 23 healthy participants. A person has been standing on a Zebris stabilometric platform. Virtual 3D environment was displayed by means of HMD Oculus Rift system. An open (a meadow) and closed (a room) sceneries were used. The sceneries moved along the sagittal axis and rotated around horizontal axis. The measurement lasted 30 seconds and in the middle of it frequency of translational movement was changed from 0.7 Hz to 1.4 Hz or from 1.4 Hz to 0.7 Hz. Results: The data were reported as medians of COP velocity and ellipse area. Visual disturbances caused the increase of these values in comparison with the tests conducted with open eyes. Results divided into periods (the first and the second 15 seconds) showed that in the first half of the test values were higher compared to the second half. The comparison of values obtained for open and closed scenery showed that higher values were recorded for open scenery. Conclusions: The comparison of both types of sceneries on the basis of COP velocity and ellipse area showed that open scenery had a greater impact on the measured stabilometric values. It was found out as well that people got accustomed to the applied disturbances, but this effect was lower in the open scenery.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2017, 19, 3; 129-137
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Upper Limb Motion Deviation Index: A new comprehensive index of upper limb motion pathology
    Autorzy:
    Jurkojć, J.
    Wodarski, P.
    Michnik, R.
    Nowakowska, K.
    Bieniek, A.
    Gzik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/306397.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    patologia
    narząd ruchu
    ULMDI
    indeksacja
    upper limb motion pathology
    gait deviation index
    Opis:
    The aim of the research was to formulate a new index enabling assessment of the overall pathology of the upper limb movement. It defines the difference between the pathological movement and a normal movement pattern. Methods: Methodology of determining the index is based on a mathematical algorithm for calculating the Gait Deviation Index which is based on advanced methods of image comparison. To calculate the ULMDI index, one must divide the analyzed movement into cycles appropriate to the nature of the movement (similarly in gait it is the gait cycle) and then determine kinematic quantities (courses of joint angles). Results: A group of 23 healthy people (10 women: k1-k10 and 13 men: m1-m13) as the reference group and a group of 3 persons with mobility impairments (p1-p3) took part in the research. Time values of the angles of the joints on both upper limbs were registered and then ULMDI indexes were calculated. Conclusions: It has been shown that the developed ULMDI index allows to detect the deviations from the accepted norm in the performance of movements. The results showed that both the description of the motor dysfunction of examined person based on the diagnosis of the physician, a detailed analysis of kinematic waveforms received during the tests and the calculated values provide a coherent picture of the state of a human movement. The index analysis is less time-consuming for the doctor, and the comparison of the results at various stages of therapy gives an objective picture of the rehabilitation progress.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2017, 19, 2; 175-185
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of frequency of visual disorders on stabilographic parameters
    Autorzy:
    Michnik, R.
    Jurkojc, J.
    Wodarski, P.
    Gzik, M.
    Jochymczyk-Woźniak, K.
    Bieniek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/306776.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    balansowanie
    wirtualna rzeczywistość
    systemy 3D
    balance
    virtual reality
    stabilography
    3D systems
    Opis:
    Purpose: Defining the influence of parameters of visual disorders on ability of balancing turns out to be an important process in effective diagnostics. Current diagnostic methods relating mainly to determination of the coefficient of BRUTM (Balance Rehabilitation Unit Trade Mark) depend on lots of tests carried out in a disturbed environment created by Virtual Reality Technology. The aim of this study is to determine the effect of the frequency of visual disturbances on stabilographic values in the virtual reality environment. Methods: The study was carried out involving one research group in Virtual Cave. There were induced visual disturbances with different frequencies and with the change of frequency during measuring the position of the center of pressure (COP) in the test. Before each test the reference test was performed. All tests were performed with disorders in two different sceneries: closed and open scenery. All measurements were carried out on an immobile Zebris platform which enables determination of feet pressure distribution. From the measured values of the position of the COP Short Time Fourier Transform (STFT) was calculated. Results: The results of calculation are shown in graphs. Their analysis showed that changing the parameters of disorder frequency in world created using Virtual Reality Technology affects stabilographic parameters. The intensity of these changes is also affected by applied research scenery. Conclusions: Conditions have been set out to carry out similar studies in order to obtain reliable results. The study is the first step in a project to develop a system for diagnosis and rehabilitation of human movement using Virtual Reality Technology.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2016, 18, 1; 25-33
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Standard Deviation of Differential Index as an innovation diagnostic tool based on kinematic parameters for objective assessment of a upper limb motion pathology
    Autorzy:
    Jurkojč, J.
    Wodarski, P.
    Michnik, R. A.
    Bieniek, A.
    Gzik, M.
    Granek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/306421.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    indeksacja
    patologia
    SDDI
    parametry kinematyczne
    upper extremities
    upper limb motion pathology
    indexes
    pathology
    PULMI
    Opis:
    Indexing methods are very popular in terms of determining the degree of disability associated with motor dysfunctions. Currently, indexing methods dedicated to the upper limbs are not very popular, probably due to difficulties in their interpretation. This work presents the calculation algorithm of new SDDI index and the attempt is made to determine the level of physical dysfunction along with description of its kind, based on the interpretation of the calculation results of SDDI and PULMI indices. Methods: 23 healthy people (10 women and 13 men), which constituted a reference group, and a group of 3 people with mobility impairments participated in the tests. In order to examine possibilities of the utilization of the SDDI index the participants had to repetitively perform two selected rehabilitation movements of upper extremities. During the tests the kinematic value was registered using inertial motion analysis system MVN BIOMECH. Results: The results of the test were collected in waveforms of 9 anatomical angles in 4 joints of upper extremities. Then, SDDI and PULMI indices were calculated for each person with mobility impairments. Next, the analysis was performed to check which abnormalities in upper extremity motion can influence the value of both indexes and interpretation of those indexes was shown. Conclusion: Joint analysis of the both indices provides information on whether the patient has correctly performed the set sequence of movement and enables the determination of possible irregularities in the performance of movement given.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2017, 19, 4; 77-87
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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