National Repository of Grey Literature 33 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Incidence of pes planovalgus in young school-aged children with anamnesis of developmental dysplasia of the hip
Buzková, Tereza ; Nováková, Pavlína (advisor) ; Zahradník, Petr (referee)
This diploma thesis researches the relationship between developmental dysplasia of the hips in the anamnesis and the occurrence of pes planovalgus in young school-aged children. The first two chapters of the theoretical part of the thesis provide a summary of information about developmental dysplasia of the hip joints and pes planovalgus, which are essential for comprehending the entire issue. The subsequent chapter extensively examines the connection between these conditions, bringing together and expanding knowledge about the factors that support the potential relationship between developmental hip dysplasia and pes planovalgus. Specifically, it highlights the significance of increased femoral neck anteversion and generalized joint hypermobility. The potential impact of gender is also discussed. The theoretical part concludes with a discussion of physiotherapeutic methods used in treating developmental dysplasia of the hip joints and pes planovalgus. The practical part of the thesis is based on data collected using a specially designed non- standardized protocol comprising various standardized tests. The results were subjected to statistical analysis. The study included a total of 40 children of younger school age, ranging from 6 to 12 years. Half of the participants had an anamnesis of...
Options Valuation: The Discrete case
Šiklová, Renata ; Zahradník, Petr (advisor) ; Dostál, Petr (referee)
In this work we will get familiarized with a discrete valuation of options. A power- ful and widely applicable numerical method known as the binomial model will be established. Starting with a basic economic idea of non-arbitrage principle we build a risk-neutral world and develop the binomial model for call options. The general binomial model is extended into a trinomial model and there are several parame- terizations that are actually used in practice, provided for both of them. Great emphasis is also focused on a theoretical background. The theoretical knowledge, that will be introduced here in the discrete world, one can regard as basis for con- tinues models. The consequences of probability theory and risk-neutral valuation appear in the valuation of American options. There are three ultimate goals of this work: construction of the model itself, its implementation and an overview of the theoretical background. 1
Casuistry of patient after amputation above knee
Zahradník, Petr ; Holubářová, Jiřina (advisor) ; Hulvová, Petra (referee)
Title of thesis: Casuistry of patient after amputation above knee Abstract: General part of this thesis includes definition, causes and potential complication, which can occur after the amputations. It also includes possibilities of rehabilitation and physiotherapy for the diagnosis. The content of special part is detailed casuistry of patient, who has been rehabilitated in rehabilitative facility for walking-school and backaches. Keywords: amputation, stub, walking-school, backaches
Objectification of the effect of physiotherapy on the activation of the abdominal wall in patients with chronic low back pain
Hoffmannová, Barbora ; Kobesová, Alena (advisor) ; Zahradník, Petr (referee)
This bachelor thesis in the form of research deals with the issue of vertebrogenic lumbar spine syndrome, its formation, examination and therapy and possibilities of objectification of therapy. The theoretical resumes the present knowledge of motor control, postural functions, spinal stabilization system and vertebrogenic lumbar spine syndrome. It also provides possibilities for therapeutic influence and objectifying physiotherapy. The thesis also presents two case studies of vertebrogenic lumbar spine syndrome, which were examined with a new Ohm belt device that measures the strength of postural stabilization and abdominal wall activity. The parameters of spinal stabilization and the amount of activation of the abdominal wall were measured before and after treatment, and the results were compared. The subjective effect of therapy was evaluated by a standardized Oswestry questionnaire assessing pain and disability. Measurement results in both patients in increased activation of the abdominal wall after therapeutic intervention. The result correlates with the subjective perception of therapy of reducing pain and alleviating disability in both patients. Keywords vertebrogenic lumbar spine syndrome, spinal stabilization, objectification of therapy, Ohm belt, Oswestry questionnaire
Discrete versions of continuous financial models
Graeber, Jiří ; Hurt, Jan (advisor) ; Zahradník, Petr (referee)
This thesis studies the continuous-time financial models and their discrete versions, used for simulations and parameters estimations. Firstly, various stock price development and interest rates models are introduced. As a result of their uncertain future dynamics, these are defined as continuous-time stochastic processes. Secondly, a summary of discrete versions of continuous-time models, formed by Euler and Milstein discretization schemes, i.e. two most frequent ways of approximating a time-continuous stochastic process, is looked at. According to these discrete versions, simulations with different parameters are conducted in the third part of the thesis in order to illustrate individual behaviour of these models. In the conclusion, a comparison of a unique trajectory specified by the real data of one year interest rates swaps and of the simulations of Vasicek and Cox-Ingersoll-Ross model with parameters estimated from the real data is shown.
Evaluation of surgical treatment of hip joint with diagnosis of femoroacetabular impingement syndrom.
Zahradník, Petr ; Otáhal, Jakub (advisor) ; Chládek, Petr (referee)
Title: The evaluation of surgical treatment of the hip in the diagnosis of femor- acetabular impingement syndrome. Objectives: The main objective of this work is to evaluate the effect of the surgery of the hip in diagnosis of femor-acetabular hip impingement. Methods: In our work we have cooperated with 103 patients who have been operated on hip with the diagnosis of femor-acetabular hip impingement (FAI). We used standardized questionnaires of WOMAC and NAHS, which assesses functional self- care, limitations in motion and painfulness. Patients completed questionnaires twice. For the first time before surgery and second time at least one year after the surgery. The specimens of questionnaire are attached in the Annex. Results: We found out that postoperative condition is significantly different from the preoperative state in terms of improved self-care, increased range of motion and reduction of painfulness. Keywords: Femor-acetabular impingement, hip surgery, WOMAC, NAHS
Spectral risk measures in portfolio selection problems
Štefánik, Martin ; Kopa, Miloš (advisor) ; Zahradník, Petr (referee)
This thesis examines spectral risk measures. Spectral risk measures, as a subset of coherent risk measures, satisfy all the crucial and reasonable properties that a risk measure should have. A specific characteristic of a spectral risk measure is that it makes it possible for an investor to quantify the risk that arises due to holding a selected group of assets based on his or her personal attitude towards risk. The aim of this bachelor thesis is to discuss the properties of spectral measures of risk and their relations to commonly known measures of risk, but primarily to scrutinize its utilization in the portfolio selection problem. Based on monthly returns of stocks from chosen American stock exchanges we compute the optimal portfolios of stock indices for different risk aversion functions, and consequently we make an analysis of the results. Powered by TCPDF (www.tcpdf.org)
Kinematic analysis of locomotor system in persons with abnormal position of the hip joint.
Zahradník, Petr ; Kolář, Pavel (advisor) ; Janura, Miroslav (referee) ; Havlas, Vojtěch (referee)
Femoroacerabular impingement (FAI) syndrome is a hip joint impairment, which occurs frequently as a result of repeated overloading of the joint in combination with the imperfect orientation of the articulating surfaces. Therefore, it does not respect the biomechanically optimal position of the joint. Currently, many experts consider FAI as an important factor contributing to hip degeneration with the subsequent coxarthrosis. In our research, we evaluated how the FAI translates into normal walking. We used 3D kinematic motion analysis as an objectivization method. Objective: The study aimed to objectify changes in basic walk parameters, lower limb joint and pelvic movements in normal walking in people with FAI using 3D kinematic analysis and to compare the results with a group of healthy people. Sample: 21 patients (7 females, 14 males) were selected for the study with the confirmed FAI by clinical examination and X-ray. The control group consisted of 18 healthy probands (8 females, 10 males) in whom the hip joint morphology by MRI was excluded. Methods: All probands underwent walking examination using 3D kinematic motion analysis using the Qaulisys system. Data were processed by the Qualisys Track Manager and the Visual3D software. The subject of the examination was the basic walk parameters, ankle...
Discrimination measures in credit risk
Polak, Michal ; Pešta, Michal (advisor) ; Zahradník, Petr (referee)
Scoring models represent a fundamental tool for the modern management of credit risk. This is mainly due to a significant development in the field of information technology. Such models are used not only when providing credit, but also in strategies relating to the future management of credit risk, or in strategies connected with enforcing receivables. In my thesis I deal with discrimination measures used in the validation of diversification potential of logistic scoring models. At the beginning, I focus on the term 'risk'. Then, I introduce a basic division of scoring models. Next, I describe the method of scoring logistic regression, I concentrate on estimating parameters, their significance and on testing their relevance. For the measurement and illustration of diversification potential of the model I mention the most commonly used methods such as the Lorenz and ROC curve, the Gini coeficient, the c-statistic as well as the Kolmogorov-Smirnov test. Finally, I apply the theoretical knowledge to real data. I design a scoring model and subsequently compare the discrimination measures which it contains. Powered by TCPDF (www.tcpdf.org)
Foot and ankle kinematics in patients with femoroacetabular impingement syndrome
Janáková, Daniela ; Zahradník, Petr (advisor) ; Chládek, Petr (referee)
Femoroacetabular impingement syndrome (FAI) is a hip impairment, which is according to recent studies significant contributor to hip osteoarthritis. Current research is dedicated to evaluate movement patterns of hip, pelvis and spine in patients with FAI using a motion analysis capture system. Biomechanics and kinesiology relations between spino-pelvic complex and lower limb joints led us to choose the topic of this thesis. The goal of this study was to define the movements of ankle and foot in patients with FAI syndrome and to compare with asymptomatic control group. To measure the parameters during gait we used Qualisys motion capture system and then the data were processed in Qualisys Track Manager 2020.03. We assessed the movements of ankle, rearfoot and the progression foot angle during the stance phase of gait cycle. Moreover, we measured the step length, gait speed and passive range of motion of the hip in both exploratory groups. In total we examinated 30 subjects, 15 with FAI syndrome and 15 asymptomatic volunteers with physiologic hip condition. We demonstrated three significant between group changes in average ankle range of motion in sagittal plane, foot progression angle and passive range of motion of the hip.

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