The research and application of the stroke affected human upper extremity dynamical model

Artūras Linkel

Doctoral dissertation

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The dissertation examines problems in the humansʼ rehabilitation field that originate in a subjective component during human upper extremity (UE) movementsʼ quality evaluation. The application of the created algorithms is intended for the UE motionsʼ quality evaluation during the rehabilitation. The object of the investigation is human UE that motor function is disordered by the stroke. In the dissertation UE motor function variability and UE motionsʼ quality quantitative evaluation performed. Quantitative analysis of the UE motions is important for choosing of the optimal UE rehabilitation program, observation of rehabilitation progress, definition of motionsʼ quality.

The thesis approaches a few tasks such as: the definition of human UE motions quality quantitative evaluation indicators, the creation of the method of the movement measurement for stroke affected humans with extremely disordered UE function, the creation of human UE kinematic and dynamic numerical models, the investigation of UE motor function variability influence for motion quality evaluation. Stroke affected humans performed clinical UE motor function tests and the motionsʼ kinematic parameters were measured by inertial and optic motion capturing system.

The introduction presents the investigated problem, the importance of the thesis and the object of the research. It describes as well the purpose and tasks of the paper, research methodology, scientific novelty, the practical significance of the results examined in the paper and the defended statements.

Chapter 1 revises used literature. Here the importance of the dissertation to-pic is highlighted, contemporary methods for UE rehabilitation are introduced, human UE models and its disadvantages, modern equipment for motions measurement is reviewed. At the end of the chapter, conclusions are drawn and the tasks for the dissertation are reconsidered.

Chapter 2 consist of numerical experiments performed for dissertation with healthy participants and stroke affected humans. Three human upper extremity models were created to process the gathered data.

Chapter 3 shows the results calculated. The quality of the UE motion of the stroke affected humans could be evaluated by calculating mechanical work and power of the movement. The stroke affected humans improved their UE movementsʼ quality during the rehabilitation from 2 to 50 times.

7 publications focusing on the subject of the discussed dissertation are published: four articles – in Clarivate Analytics Web of Science database publications with a citation index, two articles – in other international databases publications, one article – in conference proceedings. 10 presentations on the subject have been given in conferences at national and international level.

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Imprint No:
145×205 mm
118 p.
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