Celina Pezowicz

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2Jarosław Filipiak
1Magdalena Żuk
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Objective. The purpose of the present work was to assess the validity of a six-degrees-of-freedom gait analysis model based on the ISB recommendation on definitions of joint coordinate systems (ISB 6DOF) through a quantitative comparison with the Helen Hays model (HH) and repeatability assessment. Methods. Four healthy subjects were analysed with both(More)
The problem of the loosening and pullout of bone screws in cervical spine stabilisation is a significant factor in failed implantations of that spine region. Therefore, studies were undertaken to determine the impact of the loading history of bone screws of the cervical spine, inserted from the anterior approach, on the stability of the screw-bone(More)
Background. In this paper are presented problems with the usage of transpedicular spine fixators. The purpose of this work was to define the value of pull-out strength of transpedicular screw from vertebrae. Impact of geometrical parameters of transpedicular screw (length and diameter of screw thread part, screw design) on value of pull-out strength was(More)
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