I. Aleknaitė-Dambrauskienė “Research and development of unstable seat for the wellness of the employed in sedentary jobs” doctoral dissertation defense

Thesis Defense

Author, Institution: Ieva Aleknaitė-Dambrauskienė, Kaunas University of Technology

Science area, field of science: Technological Sciences, Mechanical Engineering, T009

Scientific Supervisor: Assoc. Prof. Dr. Aurelijus Domeika (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009)

Dissertation Defence Board of Mechanical Engineering Science Field:
Prof. Habil. Dr. Arvydas Palevičius (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009) – chairperson
Prof. Dr. Aleksejs Kataševs (Riga Technical University, Latvia, Technological Sciences, Mechanical Engineering, T009)
Prof. Dr. Antanas Vaitkus (Lithuanian University of Health Science, Medical and Health Sciences, Medicine, M001)
Senior Researcher dr. Andrius Vilkauskas (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009)

 

The dissertation defense was at the Meeting room at Santaka Valley of Kaunas University of Technology (Baršausko 59 – A228, Kaunas)

 

The doctoral dissertation is available at the library of Kaunas University of Technology (Donelaičio 20, Kaunas)

 

Annotation: This paper presents methods and research for the development of an unstable seat. The dissertation reviews the impact of prolonged sitting position on lower back pain, the use of ergonomic and unstable chairs in the workplace, and their impact on the human spine. The work reviews various: electromyography, electroencephalography, and three-dimensional (3D) movement analysis, which are widely used in the analysis of human physiological and biomechanical parameters. These methodologies were used in the study of individuals in a seated position and later in the development of a prototype of an unstable seat. The main goal of the research was to create an innovative unstable seat, which increases the activity of the trunk muscle and brain cortex. It has been scientifically proven that long-term sitting causes musculoskeletal disorders, atrophy of deep spinal muscles, muscle fatigue and reduced mobility. Therefore, during the scientific research, a prototype of the unstable seat was created, which was subjected to mechanical analysis and a pilot study. The created prototype has great practical value, it can be applied in the work environment as a prevention against back pain, and it can also be an excellent tool to activate the deep back muscles and thus reduce the negative impact of long-term static sitting position on our spine.

November 11 d. 10:00

Meeting room at Santaka Valley of Kaunas University of Technology (Baršausko 59 – A228, Kaunas)

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