This master’s thesis deals with muscles physiology of eye movement and questions of surface electromyography measurement. Physiology and analysis of eye movement are described here. Furthermore the paper deals with a variety of electrooculographic measuring techniques and also with resulting evaluation of measured signal.

Title: Kinesiological analysis of tachi-waza technique in judo Objectives: The aim of this work is to measure activity of selected back muscles and oblique abdominal muscle using surface EMG. At the same time, determine the load with comparison with the maximum free contraction for musculus erector spinae with selected judo techniques tai otoshi, o goshi and uchi mata. Then perform intra- individual comparisons between different techniques and comparisons between measured probands. Methods: To determine the muscle chain in a motion cycle in techniques tai otoshi, o goshi and uchi mata by surface EMG method and kinetic analysis. Six probands with several years of experience in judo were selected to measure. The measurements were four muscles on both sides: musculus trapezius, musculus erector spinae, musculus latissimus dorsi a musculus obliquus externus abdominis. Results: There was some similarity for intra-individual comparison. Three probands between the technique tai otoshi and o goshi, two between tai otoshi and uchi mata. Can be assumed, that techniques tai otoshi is basic technique with which the probants began in their youth. In the inter-individual comparison, the results showed, that the technique is very individual. Most muscles involved 80% of the average motion cycle. Most often at the...

Title: Comparison of rhythmic stabilization according to Kabat with the techniques used in practice. Objectives: The main aim of this thesis was to measure and compare the level of muscle activity and the level of cocontraction of Muscle quadratus lumborum sinister, obliquus internus abdominis sinister, rectus abdominis sinister and dexter obliquus externus abdominis, which were exposed to different stabilization techniques - rhythmic stabilization and technique used in practice - technique "pushing". Methods: This is an experimental study which is analyzed and then assessing the level of cocontraction of antagonists and the degree of muscle strength in two different ways- the technique of PNF and technique pushing. We use a surface electromyography as an objectification method. The sample consisted of 7 probands. Results: It was discovered that left side lying position not enlarged to the level of activity of all muscles required, therefore the muscles involved in PNF diagonals. Prerequisite increased level of activation during rhythmic stabilization technique according to Kabat was confirmed only in m. quadratus lumborum sinister and m. obliquus externus abdominis dexter and the values statistically insignificant. Participation of the rectus abdominis though its dominant and statistically...

Title: Comparison of rhythmic stabilization according to Kabat with the techniques used in practice. Objectives: The main aim of this thesis was to measure and compare the level of muscle activity and the level of cocontraction of Muscle quadratus lumborum sinister, obliquus internus abdominis sinister, rectus abdominis sinister and dexter obliquus externus abdominis, which were exposed to different stabilization techniques - rhythmic stabilization and technique used in practice - technique "shove". Methods: This is an experimental study which is analyzed and then assessing the level of cocontraction of antagonists and the degree of muscle strength in two different ways- the technique of PNF and technique pushing. We use a surface electromyography as an objectification method. The sample consisted of 7 probands. Results: It was discovered that left side lying position not enlarged to the level of activity of all muscles required, therefore the muscles involved in PNF diagonals. Prerequisite increased level of activation during rhythmic stabilization technique according to Kabat was confirmed only in m. quadratus lumborum sinister and m. obliquus externus abdominis dexter and the values statistically insignificant. Participation of the rectus abdominis though its dominant and statistically...

The goal of this thesis is summarize the current knowledge about Jumper's knee. It also includes a brief summary of the anatomy and kinesiology of the knee and then a separate chapter is devoted to the etiology, clinical picture, investigations and treatment of Jumper's knee. On these findings has been prepared and compiled research project hypotheses. This research is to determine whcther, and what affects Jumper's knee in the human musculoskeletal system. To this end, we chose a method of surface electromyography and dynamic plantography for analysis of pressure distribution and reaction forces during foot contact with the plate. Attention was focused on the comparison of side differences and timing muscle trunk and legs during dynamic activities sdccted. The results were compared with a control group that consisted of healthy individuals. Powered by TCPDF (www.tcpdf.org)

Title: Effects of PNF to change the motoric stereotype of the abduction in the shoulder joint Objectives: The aim of this thesis, which is conceived as a pilot experimental study is to verify the changes in the timing of selected muscles during stereotype abduction of the shoulder after performing repetitive cyclic motion by therapeutic method PNF if a specific number of repetitions of the movement is performed. Methods: This is a pilot experimental study, which was done on seven probands, 4 men and 3 women with an average age of 26.6 years. The surface EMG muscle activity was scanned on selected muscles during the motoric testing of stereotype of the abduction of the shoulder joint before and after the PNF techniques. The EMG signal was then analyzed and we evaluated the timing of muscles before and after the PNF techniques. The results were then compared in terms of both intra-individually and inter-individually comparison. Results: Results provided contradictory answers to the fundamental questions relating to changes in the timing of selected muscles after PNF techniques. In terms of the change in intra-individually timing after PNF hypothesis was proved. But from the perspective of inter-individually comparison the hypothesis was not proved. Keywords: PNF, surface electromyography, motion...

Title: PNF technique after arthroscopic stabilization of the shoulder joint Objectives: The objective of this work is to consider the possibility of use of the proprioceptive neuromuscular facilitation technique (PNF) in early stages of rehabilitation after arthroscopic stabilization of the shoulder joint. The idea is to use the phenomen of irradiation with which this concept works. Methods: The pilot experimental group consisted of 7 healthy participants with simulated arthroscopic stabilization of the left shoulder joint. The electromyography was used to record the electric activity of musculus trapezius pars descendens, pars transversa et pars ascendens, musculus deltoideus pars acromialis, musculus infraspinatus and musculus pectoralis major pars sternocostalis on the immobilized left arm; while using the PNF technique on the peripheral parts of the immobilised arm; and on the contra lateral arm. A 5s sequence of stabilised isometric contraction was analysed and all data further normalised to Maximal Voluntary Contraction (MVC). Considering the literature the 20% increase above the MVC was defined as substantial to assure sufficient functional capacity of the muscle fibres and therefore sufficient to stop muscle atrophy during immobilisation of the arm. Results: Results of this study support...

Title: The comparative analysis of forward stroke on the slalom kayak, wildwater kayak and speed kayak The Aim: Aim of this work is the comparative analysis of forward stroke on the kayak to slalom kayak, wildwater kayak and speed kayak. Methods: For comparison, we used electromyography measurements, we have synchronized with video. Results: The results of this work we show that most differences in the forward stroke, according to timing of entries we selected muscle activation between the speed and slalom kayak. Keywords: Electromyography, forward stroke, slalom, wildwater, speed canoeing

Title: Discrimination of EMG signals from individual forearm muscles from surface EMG Abstract: Location of electrodes for sensing the forearm muscles using surface electromyography is not accurately described. It is based only on recommendations by various authors in making researches. The aim of this study was to determine the optimal placement of electrodes on the forearm and describe it to another repeatable measurements. By analyzing the amplitude of EMG recording is confirmed not only the optimal location of electrodes, but either suggested muscle synergies that are possible to analyze more deeply in other studies because a detailed examination of muscle synergies are considerable application in upper limb prosthetics Keywords: Surface electromyography, forearm muscles, amplitude analysis

The aim of this thesis was to evaluate the influence of Vojta's reflex locomotion on the activity of the shoulder girdle's muscles with surface electromyography. We also observed the activity of some of the trunk's muscles. We tested phasic and support function of the upper extremity in several movements on 15 healthy people. It didn't bring many significant values. It could be caused by different sensitivities of the participants for the stimulation, the short time of the stimulation, individual motoric stereotypes or not so strongly expressed muscle dysbalantion within healthy individuals.