Searched for: author%3A%22Maas%2C+Mario%22
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Hulshof, Chantal M. (author), Schallig, Wouter (author), van den Noort, Josien C. (author), Streekstra, Geert J. (author), Kleipool, Roeland P. (author), GG Dobbe, Johannes (author), Maas, Mario (author), Harlaar, J. (author), van der Krogt, Marjolein M. (author)
Segment coordinate systems (CSs) of marker-based multi-segment foot models are used to measure foot kinematics, however their relationship to the underlying bony anatomy is barely studied. The aim of this study was to compare marker-based CSs (MCSs) with bone morphology-based CSs (BCSs) for the hindfoot and forefoot. Markers were placed on...
journal article 2024
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Schallig, Wouter (author), van den Noort, Josien C. (author), Piening, Marjolein (author), Streekstra, Geert J. (author), Maas, Mario (author), van der Krogt, Marjolein M. (author), Harlaar, J. (author)
Background: Foot and ankle joint kinematics are measured during clinical gait analyses with marker-based multi-segment foot models. To improve on existing models, measurement errors due to soft tissue artifacts (STAs) and marker misplacements should be reduced. Therefore, the aim of this study is to define a clinically informed, universally...
journal article 2022
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Vuurberg, Gwendolyn (author), Tümer, N. (author), Sierevelt, Inger (author), Dobbe, Johannes G.G. (author), Hemke, Robert (author), Wiegerinck, Jan Joost (author), Maas, Mario (author), Kerkhoffs, Gino M.M.J. (author), Tuijthof, Gabriëlle J.M. (author)
Background: The objective consisted of 2 elements, primarily to define 2 bone geometry variations of the ankle that may be of prognostic value on ankle instability and secondly to translate these bone variations from a 3D model to a simple 2D radiographic measurement for clinical use. Methods: The 3D tibial and talar shape differences derived...
journal article 2022
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Schallig, Wouter (author), Streekstra, Geert J. (author), Hulshof, Chantal M. (author), Kleipool, Roeland P. (author), Dobbe, Johannes G.G. (author), Maas, Mario (author), Harlaar, J. (author), van der Krogt, Marjolein M. (author), van den Noort, Josien C. (author)
Movement of skin markers with respect to their underlying bone (i.e. soft tissue artifacts (STAs)) might corrupt the accuracy of marker-based movement analyses. This study aims to quantify STAs in 3D for foot markers and their effect on multi-segment foot kinematics as calculated by the Oxford and Rizzoli Foot Models (OFM, RFM). Fifteen...
journal article 2021
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Schallig, Wouter (author), van den Noort, Josien C. (author), Maas, Mario (author), Harlaar, J. (author), van der Krogt, Marjolein M. (author)
Understanding the effect of individual marker misplacements is important to improve the repeatability and aid to the interpretation of multi-segment foot models like the Oxford and Rizzoli Foot Models (OFM, RFM). Therefore, this study aimed to quantify the effect of controlled anatomical marker misplacement on multi-segment foot kinematics (i...
journal article 2021
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Schallig, Wouter (author), van den Noort, Josien C. (author), McCahill, Jennifer (author), Stebbins, Julie (author), Leardini, Alberto (author), Maas, Mario (author), Harlaar, J. (author), van der Krogt, Marjolein M. (author)
Background: The Oxford Foot Model (OFM) and Rizzoli Foot Model (RFM) are the two most frequently used multi-segment models to measure foot kinematics. However, a comprehensive comparison of the kinematic output of these models is lacking. Research question: What are the differences in kinematic output between OFM and RFM during normal gait...
journal article 2020
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