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  • Muscle systems across species are equipped with a significant level of redundancy, in the sense that the number of muscles significantly exceeds the number of degrees of freedom of the body. Hence, infinitely many combinations of muscle force can balance the external loads, and selecting the best one is an optimization problem that the central nervous system solves instantly when a certain movement is called for. We shall consider in particular optimization problems which carry out muscle recruitment in the inverse dynamic simulations of body movements. During solution of the muscle recruitment problem another optimization problem appears. It is the problem of identification of the path of a muscle which wraps over bones or other tissues. Therefore we shall also present a geometric model of a muscle that wraps over a set of obstacles.
  • Muscle systems across species are equipped with a significant level of redundancy, in the sense that the number of muscles significantly exceeds the number of degrees of freedom of the body. Hence, infinitely many combinations of muscle force can balance the external loads, and selecting the best one is an optimization problem that the central nervous system solves instantly when a certain movement is called for. We shall consider in particular optimization problems which carry out muscle recruitment in the inverse dynamic simulations of body movements. During solution of the muscle recruitment problem another optimization problem appears. It is the problem of identification of the path of a muscle which wraps over bones or other tissues. Therefore we shall also present a geometric model of a muscle that wraps over a set of obstacles. (en)
  • Budeme uvažovat specifickou optimalizační úlohu, která řeší zaměstnávání svalů v inverzních dynamických simulací pohybu těla. Především představíme ty problémy, které mohou být formulovány jako úlohy lineárního či kvadratického programování a ztohoto důvodu mohou být řešeny velmi efektivně. V průběhu řešení úlohy na zaměstnávání svalů se objevuje i jiná optimalizační úloha. Jedná se o úlohu identifikace dráhy, po které sval obchází kost či jiné tkáně. Z tohoto důvodu taktéž představíme geometrický model obcházení svalu přes množinu překážek. Sval je reprezentován tenkou pružnou strunou a překážky tuhými tělesy tak, že tato úloha může být považována za kontaktní úlohu. (cs)
Title
  • Algoritmy pro řešení úloh zaměstnávání svalů a kontaktních úloh v biomechanice (cs)
  • Algorithms for solution of muscle recruitment and contact problems in musculoskeletal simulation
  • Algorithms for solution of muscle recruitment and contact problems in musculoskeletal simulation (en)
skos:prefLabel
  • Algoritmy pro řešení úloh zaměstnávání svalů a kontaktních úloh v biomechanice (cs)
  • Algorithms for solution of muscle recruitment and contact problems in musculoskeletal simulation
  • Algorithms for solution of muscle recruitment and contact problems in musculoskeletal simulation (en)
skos:notation
  • RIV/61989100:27240/06:00013762!RIV08-AV0-27240___
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  • RIV/61989100:27240/06:00013762
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  • Biomechanical simulations; muscle recruitment; muscle wrapping; contact problems (en)
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  • [8380A577B155]
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  • Brunel University, West London, UK
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  • Vondrák, Vít
  • Rasmussen, John
  • Damsgaard, Michael
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  • 27240
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