Peter Pivonka

A biomechanical analysis of double screw, double button and screw button fixation constructs in PSI guided Latarjet procedure.

Brandon L Ziegenfuss, Marine M Launay, Nicholas R Green, Jashint C Maharaj, Kathir Azhagan Stalin, Gregory Barlow, Deniz U Erbulut, Sarah L Whitehouse, Praveen Vijaysegaran, Peter Pivonka, Kenneth Cutbush, Ashish Gupta

Journal article  |  2023  |  J Shoulder Elbow Surg

BACKGROUND: The Latarjet coracoid transfer procedure reliably stabilizes the glenohumeral joint for shoulder instability. However,..

Spatio-temporal simulations of bone remodelling using a bone cell population model based on cell availability

José Luis Calvo-Gallego, Pablo Manchado-Morales, Peter Pivonka, Javier Martínez-Reina

Journal article  |  2023  |  Frontiers in Bioengineering and Biotechnology

Here we developed a spatio-temporal bone remodeling model to simulate the action of Basic Multicelluar Units (BMUs). This model is..

Anterior deltoid muscle reflection using a deltopectoral approach is safe and does not influence outcome of reverse shoulder arthroplasty.

Egbert Jd Veen, Esther J Smits, Andrew Ker, Sarah L Whitehouse, Brandon L Ziegenfuss, Peter Pivonka, Ashish Gupta, Kenneth Cutbush

Journal article  |  2023  |  J Shoulder Elbow Surg

BACKGROUND: The deltopectoral approach is well accepted for shoulder arthroplasty procedures. The extended deltopectoral approach ..

Assessment of thoracic spinal curvatures in static postures using spatially tracked 3D ultrasound volumes: a proof-of-concept study

Laura Meszaros-Beller, Maria Antico, Davide Fontanarosa, Peter Pivonka

Journal article  |  2023  |  PHYSICAL AND ENGINEERING SCIENCES IN MEDICINE

The assessment of spinal posture is a difficult endeavour given the lack of identifiable bony landmarks for placement of skin mark..

Effects of geometric individualisation of a human spine model on load sharing: neuro-musculoskeletal simulation reveals significant differences in ligament and muscle contribution

Laura Meszaros-Beller, Maria Hammer, Julia M Riede, Peter Pivonka, J Paige Little, Syn Schmitt

Journal article  |  2023  |  BIOMECHANICS AND MODELING IN MECHANOBIOLOGY

In spine research, two possibilities to generate models exist: generic (population-based) models representing the average human an..

Geometry and bone mineral density determinants of femoral neck strength changes following exercise

Dermot O'Rourke, Belinda R Beck, Amy T Harding, Steven L Watson, Peter Pivonka, Saulo Martelli

Journal article  |  2022  |  BIOMECHANICS AND MODELING IN MECHANOBIOLOGY

Physical exercise induces spatially heterogeneous adaptation in bone. However, it remains unclear where the changes in BMD and geo..

Direct Assessment of Rabbit Cortical Bone Basic Multicellular Unit Longitudinal Erosion Rate: A 4D Synchrotron-Based Approach

Kim D Harrison, Erika Sales, Beverly D Hiebert, Arash Panahifar, Ning Zhu, Terra Arnason, Kurtis J Swekla, Peter Pivonka, L Dean Chapman, David ML Cooper

Journal article  |  2022  |  JOURNAL OF BONE AND MINERAL RESEARCH

Cortical bone remodeling is carried out by basic multicellular units (BMUs), which couple resorption to formation. Although fluoro..

Experimental-based mechanobiological modeling of the anabolic and catabolic effects of breast cancer on bone remodeling

Imane Ait Oumghar, Abdelwahed Barkaoui, Patrick Chabrand, Abdellatif El Ghazi, Charlotte Jeanneau, Daphne Guenoun, Peter Pivonka

Journal article  |  2022  |  BIOMECHANICS AND MODELING IN MECHANOBIOLOGY

Bone is a biological tissue characterized by its hierarchical organization. This material has the ability to be continually renewe..

Mechanistic PK-PD model of alendronate treatment of postmenopausal osteoporosis predicts bone site-specific response

Jose L Calvo-Gallego, Peter Pivonka, Rocio Ruiz-Lozano, Javier Martinez-Reina

Journal article  |  2022  |  FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY

Alendronate is the most widely used drug for postmenopausal osteoporosis (PMO). It inhibits bone resorption, affecting osteoclasts..

The effects of anatomical errors on shoulder kinematics computed using multi-body models

Maxence Lavaill, Saulo Martelli, Luke Gilliland, Ashish Gupta, Graham Kerr, Peter Pivonka

Journal article  |  2022  |  BIOMECHANICS AND MODELING IN MECHANOBIOLOGY

Joint motion calculated using multi-body models and inverse kinematics presents many advantages over direct marker-based calculati..