P. Wodarski, R. Michnik, M. Chrzan, A. Bieniek, M. Gzik, J. Rduch, A. Mitas
{"title":"Analysis of the Course of Displacements of the Center of Mass While Using a Chair with a Spherical Base","authors":"P. Wodarski, R. Michnik, M. Chrzan, A. Bieniek, M. Gzik, J. Rduch, A. Mitas","doi":"10.1109/biomdlore.2018.8467194","DOIUrl":"https://doi.org/10.1109/biomdlore.2018.8467194","url":null,"abstract":"BACKGROUND: An increase in the occurrence of spine problems has resulted in the necessity to analyze the activities which have the highest impact on the condition of the motor organ. One of such activities is sitting, which takes up approximately 44% of our day. OBJECTIVE: The aim of the study is to determine course of displacements of the BCoM (center of body mass), the HCoM (center of head mass) and the PCoM (center of pelvis mass) while using a chair with a spherical base and normal chair. METHODS: A group of 8 men participated in the tests. Each of the people declared that they had not suffered from any conditions related to the motion system nor from any balance disorders. RESULTS: On the basis of body kinematics tests with the use of a motion capture system, the following parameters have been determined: the course of BCoM, the course of displacements of the HCoM, and the course of displacement of the PCoM. CONCLUSIONS: The results depict an increase in the displacements of the HCoM in relation to the PCoM while using chairs of spherical base. There is also an increase of displacements in the BCoM.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126208182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sergej Sosunkevič, Andrius Rapalis, Mindaugas Marozas, Vilma Pluščiauskaitė, Lina Surgautė, A. Lukoševičius
{"title":"Assessment of Multimodal Reactions on Specific Stimulation Tests for Revealing Early Risk of Diabetic Foot","authors":"Sergej Sosunkevič, Andrius Rapalis, Mindaugas Marozas, Vilma Pluščiauskaitė, Lina Surgautė, A. Lukoševičius","doi":"10.1109/BIOMDLORE.2018.8467203","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467203","url":null,"abstract":"Diabetes mellitus type 2 became an epidemic in the 21st century. For many people diabetes remains asymptomatic for a long-term and leads to severe cardiovascular and neurological disorders such as diabetic foot. All pathological and cardiovascular changes and damages can be identified; however, all methods are subjective and noninformative. For these reason, a novel methodology for diabetic foot assessment in early stages is necessary. The aim of this study is to elaborate a pilot version of method which allows to verify the hypothesis that specific stimulation tests and analysis of synchronous multimodal time dependences of physiological signals can reveal the early risk of diabetic foot and identify the type of damage. Ten participants were enrolled in the study. The experiment consists of three different tests: slow breathing, cold, and occlusion. Data stream from all synchronous sources was processed and used to calculate secondary parameters: heart rate variability, pulse arrival time, perfusion factor, and temperature of foot regions. The preliminary results of both groups have shown that specific stimulation tests induced significantly different changes. Preliminary conclusion can be made that proposed method be used for screening of early diabetic foot risks and probably for identification of type of damage.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128393970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fractal Dimensions in the Texture Analysis of MRI Liver Images","authors":"Ewelina Bebas","doi":"10.1109/BIOMDLORE.2018.8467210","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467210","url":null,"abstract":"The computer representation of the medical image is the image matrix, where the gray levels corresponding to the element with the coordinates x, y create a more or less complex surface whose shape is far from smooth [4]. The study presents a study of homogeneous liver structures of MRI images using two fractal image analysis methods and the determination of those that are insensitive to the size change of the area of interest.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132960023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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