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Abstract
Objectives: The aim of this study was to create and analyze a Pareto-optimal problem that would describe cooperation between mono- and bi-articulate lower limb muscles in sagittal plane. Methods: Equations describing the problem were derived and analyzed, additional constrains were introduced and experimental verification based on gait video analysis was performed. Results: Uncertainty of Pareto-optimal solution is shown for the muscular-skeletal system. An explanation of this situation is presented and discussed. Moreover, this theoretical observation is compared with a lack of gait reproducibility. Small but noticeable differences in gait cycles are shown and explained. Conclusions: A muscular system redundancy is shown and explained by the meaning of Pareto problem. Theoretical considerations were confirmed through a gait analysis. This leads to the conclusion, that during muscle cooperation each movement cycle can be different from the previous one, however due to physiological restrictions only a narrow equivalence class of the possible solutions exists.
Authors (5)
-
Bartłomiej Zagrodny dr inż.
- Politechnika Łódzka Katedra Automatyki, Biomechaniki i Mechatroniki
-
Michał Ludwicki dr inż.
- Politechnika Łódzka Katedra Automatyki, Biomechaniki i Mechatroniki
-
Jerzy Mrozowski dr hab. inż.
- Politechnika Łódzka Katedra Automatyki, Biomechaniki i Mechatroniki
-
Jan Awrejcewicz prof. dr hab. inż
- Politechnika Łódzka Katedra Automatyki, Biomechaniki i Mechatroniki
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS
no. 18,
pages 176 - 182,
ISSN: 1108-7161 - Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Zagrodny B., Ludwicki M., Wojnicz W., Mrozowski J., Awrejcewicz J.: Cooperation of mono- and bi-articular muscles: human lower limb// JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS. -Vol. 18, nr. 2 (2018), s.176-182
- Verified by:
- Gdańsk University of Technology
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