Search Results - "Grupp, Thomas M."

A frame orientation optimisation method for consistent interpretation of kinematic signals by Ortigas Vásquez, Ariana, Taylor, William R., Maas, Allan, Woiczinski, Matthias, Grupp, Thomas M., Sauer, Adrian

“…In clinical movement biomechanics, kinematic data are often depicted as waveforms (i.e. signals), characterising the motion of articulating joints. Clinically…”
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Modular titanium alloy neck adapter failures in hip replacement--failure mode analysis and influence of implant material by Grupp, Thomas M, Weik, Thomas, Bloemer, Wilhelm, Knaebel, Hanns-Peter

“…Modular neck adapters for hip arthroplasty stems allow the surgeon to modify CCD angle, offset and femoral anteversion intraoperatively. Fretting or crevice…”
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A reproducible representation of healthy tibiofemoral kinematics during stair descent using REFRAME – Part II: Exploring optimisation criteria and inter-subject differences by Ortigas-Vásquez, Ariana, Taylor, William R., Postolka, Barbara, Schütz, Pascal, Maas, Allan, Grupp, Thomas M., Sauer, Adrian

“…Kinematic analysis is a central component of movement biomechanics, describing the relative motion of joint segments during different activities, in different…”
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Acrylic bone cement in total joint arthroplasty: A review by Saleh, Khaled J., El Othmani, Mouhanad M., Tzeng, Tony H., Mihalko, William M., Chambers, Monique C., Grupp, Thomas M.

“…ABSTRACT Acrylic bone cement has a variety of applications in orthopedic surgery. Primary uses in total arthroplasties are limited to prostheses fixation and…”
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Validation of Inertial-Measurement-Unit-Based Ex Vivo Knee Kinematics during a Loaded Squat before and after Reference-Frame-Orientation Optimisation by Sagasser, Svenja, Sauer, Adrian, Thorwächter, Christoph, Weber, Jana G, Maas, Allan, Woiczinski, Matthias, Grupp, Thomas M, Ortigas-Vásquez, Ariana

“…Recently, inertial measurement units have been gaining popularity as a potential alternative to optical motion capture systems in the analysis of joint…”
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Isolated effects of patellar resurfacing in total knee arthroplasty and their relation to native patellar geometry by Sauer, Adrian, Thorwaechter, Christoph, Dupraz, Ingrid, Maas, Allan, Steinbrueck, Arnd, Grupp, Thomas M., Woiczinski, Matthias

“…The isolated effects of patellar resurfacing on patellar kinematics are rarely investigated. Nonetheless, knowing more about these effects could help to…”
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A Framework for Analytical Validation of Inertial-Sensor-Based Knee Kinematics Using a Six-Degrees-of-Freedom Joint Simulator by Ortigas Vásquez, Ariana, Maas, Allan, List, Renate, Schütz, Pascal, Taylor, William R, Grupp, Thomas M

“…The success of kinematic analysis that relies on inertial measurement units (IMUs) heavily depends on the performance of the underlying algorithms. Quantifying…”
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Musculoskeletal Multibody Simulation Analysis on the Impact of Patellar Component Design and Positioning on Joint Dynamics after Unconstrained Total Knee Arthroplasty by Kebbach, Maeruan, Darowski, Martin, Krueger, Sven, Schilling, Christoph, Grupp, Thomas M, Bader, Rainer, Geier, Andreas

“…Patellofemoral (PF) disorders are considered a major clinical complication after total knee replacement (TKR). Malpositioning and design of the patellar…”
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Calcium Phosphate Bone Graft Substitutes with High Mechanical Load Capacity and High Degree of Interconnecting Porosity by Hettich, Georg, Schierjott, Ronja A., Epple, Matthias, Gbureck, Uwe, Heinemann, Sascha, Mozaffari-Jovein, Hadi, Grupp, Thomas M.

“…Bone graft substitutes in orthopedic applications have to fulfill various demanding requirements. Most calcium phosphate (CaP) bone graft substitutes are…”
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Biomechanical Effects of Stemmed Total Knee Arthroplasty on the Human Femur: A CT-Data Based Study by Sporer, Elisabeth M., Schilling, Christoph, Sauer, Adrian, Tait, Robert J., Giurea, Alexander, Grupp, Thomas M.

“…End-of-stem pain of the femur is a common problem in revision total knee arthroplasty (TKA). It may be caused by a problematic interaction between stem and…”
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Quantitative assessment of acetabular bone defects: A study of 50 computed tomography data sets by Schierjott, Ronja A, Hettich, Georg, Graichen, Heiko, Jansson, Volkmar, Rudert, Maximilian, Traina, Francesco, Weber, Patrick, Grupp, Thomas M

“…Acetabular bone defect quantification and classification is still challenging. The objectives of this study were to suggest and define parameters for the…”
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Modeling of the native knee with kinematic data derived from experiments using the VIVO™ joint simulator: a feasibility study by Henke, Paul, Meier, Johanna, Ruehrmund, Leo, Brendle, Saskia A, Krueger, Sven, Grupp, Thomas M, Lutter, Christoph, Woernle, Christoph, Bader, Rainer, Kebbach, Maeruan

“…Despite advances in total knee arthroplasty, many patients are still unsatisfied with the functional outcome. Multibody simulations enable a more efficient…”
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The Influence of Mathematical Definitions on Patellar Kinematics Representations by Sauer, Adrian, Kebbach, Maeruan, Maas, Allan, Mihalko, William M, Grupp, Thomas M

“…A correlation between patellar kinematics and anterior knee pain is widely accepted. However, there is no consensus on how they are connected or what profile…”
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A New Methodology for the Accurate Measurement of Tibiofemoral Kinematics in Human Cadaveric Knees: An Evaluation of the Anterior-Posterior Laxity Pre- and Post-Cruciate Ligament Resection by Brendle, Saskia A, Krueger, Sven, Grifka, Joachim, Müller, Peter E, Grupp, Thomas M

“…Anterior-posterior (AP) stability is an important measure of knee performance after total knee arthroplasty (TKA). To improve the stabilizing effect of…”
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Primary Stability of Revision Acetabular Reconstructions Using an Innovative Bone Graft Substitute: A Comparative Biomechanical Study on Cadaveric Pelvises by Morosato, Federico, Traina, Francesco, Schierjott, Ronja A., Hettich, Georg, Grupp, Thomas M., Cristofolini, Luca

“…Hip implant failure is mainly due to aseptic loosening of the cotyle and is typically accompanied by defects in the acetabular region. Revision surgery aims to…”
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Finite Element Analysis for Pre-Clinical Testing of Custom-Made Knee Implants for Complex Reconstruction Surgery by Hettich, Georg, Weiß, Josef-Benedikt, Wünsch, Benjamin, Grupp, Thomas M.

“…In severe cases of total knee arthroplasty, where off-the-shelf implants are not suitable or available anymore (i.e., in cases with extended bone defects or…”
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Towards a New, Pre-Clinical, Subject-Independent Test Model for Kinematic Analysis after Total Knee Arthroplasty—Influence of the Proximo-Distal Patella Position and Patellar Tendon Stiffness by Sauer, Adrian, Maas, Allan, Ottawa, Svenja, Giurea, Alexander, Grupp, Thomas M.

“…Although simulation models are heavily used in biomechanical research and testing of TKA implants, pre-clinical tools for a holistic estimation of implant…”
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Comparative Study of Zirconium Nitride Multilayer Coatings: Crystallinity, In Vitro Oxidation Behaviour and Tribological Properties Deposited via Sputtering and Arc Deposition by Dohm, Julius C, Schmidt, Susann, Puente Reyna, Ana Laura, Richter, Berna, Santana, Antonio, Grupp, Thomas M

“…This study aims to evaluate and compare the properties of a biomedical clinically established zirconium nitride (ZrN) multilayer coating prepared using two…”
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Comparison of IMU-Based Knee Kinematics with and without Harness Fixation against an Optical Marker-Based System by Weber, Jana G, Ortigas-Vásquez, Ariana, Sauer, Adrian, Dupraz, Ingrid, Utz, Michael, Maas, Allan, Grupp, Thomas M

“…The use of inertial measurement units (IMUs) as an alternative to optical marker-based systems has the potential to make gait analysis part of the clinical…”
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How to proceed with asymptomatic modular dual taper hip stems in the case of acetabular revision by Grupp, Thomas M, Baxmann, Marc, Jansson, Volkmar, Windhagen, Henning, Heller, Karl-Dieter, Morlock, Michael M, Knaebel, Hanns-Peter

“…How to proceed with a clinically asymptomatic modular Metha Ti alloy stem with dual taper CoCr neck adapter in case of acetabular revision? To systematically…”
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