4th Workshop 2023 topics

Session 1: Intervertebral Disc Tissue Mechanics

Moderators: Judith Meakin, Nicolas Newell

  • “The effect of enzymatic denaturation vs. excessive fatigue loading degeneration on the time-dependent responses of the intervertebral disc” by Kinda Khalaf (Abu Dhabi, UAE)
  • “A model of intervertebral disc degeneration using combined cyclic overloading and enzyme digestion” by Timothy Holsgrove (Exeter, UK)
  • “Contribution of the nucleus pulposus to viscoelastic recovery of the intervertebral disc” by Kay Raftery (Guildford, UK)
  • “Acute effects of stab lesion on mechanical properties of the L4/L5 intervertebral disc in the rat” by Fangxin Xiao (Amsterdam, The Netherlands)
  • “Load informed kinematic evaluation (LIKE) protocols for the simulation of daily activities in the intervertebral disc (IVD)” by Daniela Lazaro Pacheco (Exeter, UK)
Session 2: Session 2: Motion Segments - Load Sharing

Moderators: Fabio Galbusera, Luigi La Barbera

  • “Biomechanical responses of adjacent segments post lumbar fusion surgery for osteoporotic patients: the effect of cement-augmentation” by Kinda Khalaf (Abu Dhabi, UAE)
  • “Numerical investigation of healing process in ovine lumbar spine after nucleotomy” by Maxim Bashkuev (Magdeburg, Germany)
  • “The influence of intervertebral disc geometry on spinal motion segment stiffness: a human 9.4T MRI study” by Nicolas Newell (London, UK)
  • “Decreasing spinal implant load indicates progression of posterolateral fusion when measured continuously – in vivo proof of concept in sheep” by Maximilian Heumann (Davos, Switzerland)
  • “Biomechanical alterations after spinal fusion treatment and their relation to cage subsidence” by Siddarth Ananth Swaminathan (Berlin, Germany)
  • “In-silico modelling of the sacroiliac joints is sensitive to ligament pre-tension” by Mark Heyland (Berlin, Germany)
  • “Multilevel contribution of passive structures in the spine – a cadaveric stepwise reduction study on the torso” by Moritz Jokeit (Zurich, Switzerland)
Session 3: Lumbar Spine - Shape and Kinematics

Moderators: Jaap van Dieën, Hendrik Schmidt

  • “Trunk postures of surgical staff during surgical procedures measured using inertial measurement units” by Idsart Kingma (Amsterdam, The Netherlands)
  • “Investigating concurrent validity of inertial sensors to evaluate multiplanar spine movement” by Kristen Beange (Ottawa, Canada)
  • “Dynamic assessment of spine movement patterns using an RGB-D camera and deep learning” by Ryan Graham (Ottawa, Canada)
  • “Comprehensive assessment of global spinal sagittal alignment and related normal spinal loads in a healthy population” by Florian Rieger (Zurich, Switzerland)
  • “Effect of personalized spinal profile on biomechanical response in an EMG-assisted optimization musculoskeletal model of the trunk” by Christian Larivière (Montréal, Canada)
  • “Is the healthy range of sagittal spinal curvature optimal for biomechanical loading? A finite element study” by Brittany Stott (Montréal, Canada)
Session 4: Spinal Loads I - Effects of Load, Posture, Exoskeleton and Belt


  • “The effect of a soft active exosuit on extensor muscle forces during lifting tasks determined by musculoskeletal models” by Dennis Anderson (Boston, USA)
  • “Comparison of different back-supporting exoskeletons regarding musculoskeletal loading” by Jasper Johns (Sankt Augustin, Germany)
  • “Numerical investigation of intra-abdominal pressure and spinal load-sharing upon the application of an abdominal belt” by Emeric Bernier (Montréal, Canada)
  • “Effect of obesity on spinal loads during load-handling activities; a subject- and kinematics-specific musculoskeletal modeling approach” by Marwan El-Rich (Abu Dhabi, UAE)
  • “In vivo load on knee, hip, and spine during manual materials handling with two lifting techniques” by Philipp Damm (Berlin, Germany)
  • “Lumbar spine loads in repetition-to-failure deadlifts, with and without body armor” by Vanessa Ramirez (Natick, USA)
Session 5: Spinal Loads II - Novel Technologies


  • “Integrating novel technologies for spine biomechanics: opportunities and challenges” by Farshid Ghezelbash (Montréal, Canada)
  • “Estimations of spinal loads using musculoskeletal models driven by measured or neural-network predicted postures during dynamic lifting activities” by Navid Arjmand (Tehran, Iran)
  • “Development of an integrated spine biomechanics framework combining in-vivo, in-silico and in-vitro methods” by Isabelle Ebisch (Exeter, UK)
  • “A pipeline for automated generation of individualized musculoskeletal spine models reveals substantial differences in spinal loading depending on curvature in large patient cohorts” by Tanja Lerchl (Garching, Germany)
  • “Assessment of a fully-parametric thoraco-lumbar spine model with articulated ribcage” by Luigi La Barbera (Milan, Italy)
Session 6: Spinal Loads III - Scoliosis / Pain

Moderators: Saeed A. Shirazi-Adl, Marwan El-Rich

  • “Estimating trunk muscle forces in adolescent idiopathic scoliosis patients during functional activities: a personalized experimentally controlled musculoskeletal modeling approach” by Stefan Schmid (Bern, Switzerland)
  • “Asymmetry of trunk muscle activation in adolescent idiopathic scoliosis during the simulation of forward flexion by musculoskeletal modelling” by Tito Bassani (Milan, Italy)
  • “Does low back pain influence spinal loads during waking in persons with unilateral transtibial amputation?” by Courtney Butowicz (Bethesda, USA)
  • “Effect of low back pain on the biomechanical kinetics/kinematics of the lumbar spine; a combined in vivo and in silico investigation” by Ali Firouzabadi (Berlin, Germany)
  • “On lumbar loading during dynamic flexion and return to the standing posture. effect of lumbo-pelvic rhythm and the range of motion in different age and sex groups” by Rizwan Arshad (Kingston, Canada)
Session 7: Spinal Loads IV - Validation / Sensitivity / Developments

Moderators: Navid Arjmand, Dennis Anderson

  • “Accuracy of AnyBody Modeling System in predicting ground reaction forces and centers of pressure in lifting activities and effect of the prediction errors on spinal loads” by Marwan El-Rich (Abu Dhabi, UAE)
  • “Comparison of the loads at L4-L5 predicted by the AnyBody and OpenSim full musculoskeletal models” by Fabio Galbusera (Zurich, Switzerland)
  • “Validity of evaluating dynamic spine loads without participant-specific measured kinematics” by Dennis Anderson (Boston, USA)
  • “Variation in cervical spine loads during isometric extension in a neutral posture” by Rizwan Arshad (Kingston, Canada)
  • “Integrated subject-specific Finite Element Musculoskeletal Model of trunk with ergonomic and clinical applications” by Saeed A. Shirazi-Adl (Montréal, Canada)
  • “On the use of normalisation for group-level analysis of spine loads” by Samuel Howarth (Toronto, Canada)
Session 8: Poster Session

Moderators: Saeed A. Shirazi-Adl, Idsart Kingma, Hendrik Schmidt

  • “Degenerative changes in biomechanics, gene expression, and composition of intervertebral disc: 8 week animal study” by Yalda Alibeigian (Tehran, Iran)
  • “Spine loading in male and female during dynamic flexion and return to the standing posture” by Rizwan Arshad (Kingston, Canada)
  • “Segmentation of vertebrae in MRI data of the German National Cohort” by Cagdas Aslan (Berlin, Germany)
  • “Analysis of the degree of mechanical wear in the transpedicular stabilization of the spine” by Małgorzata Żak (Wrocław, Poland)
  • “The impact of velocity and motion planes on lumbar time-varying muscle synergies during trunk flexion” by Mehrdad Davoudi (Heidelberg, Germany)
  • “Pure bending stiffness in a fully 3D printed L1-S1 lumbar spine model” by Siril Teja Dukkipati (Montreal, Canada)
  • “Pullout strength of thoracic spine pedicle screws inserted by freehand or patient-specific drill guides; a finite element analysis” by Fahimeh Hosseini (Tehran, Iran)
  • “Effect of upper body mass distribution and thorax flexibility on spinal loads prediction in upright and flexed posture using personalized musculoskeletal models” by Abdul Aziz Vaqar Hulleck (Abu Dhabi, UAE)
  • “Body mass distribution along the spine affects biomechanics of spinal sagittal alignment” by Dominika Ignasiak (Zurich, Switzerland)
  • “Mechanical testing of lumbar cadaveric muscle and thoracolumbar fascia suggests evidence towards physiological stress shielding of musculoskeletal soft tissues” by Emily Newell (Montreal, Canada)
  • “Coupled MBS and FEM models of the lumbar spine – unidirectional vs. bidirectional co-simulation” by Kati Nispel (Munich, Germany)
  • “Methods of evaluating mechanical parameters and the stability of the cervical interbody fusion cage” by Celina Pezowicz (Wroclaw, Poland)
  • “Biomechanical simulation of the upper body in different sitting positions” by Maximilian Praster (Aachen, Germany)
  • “How can we capture back health? Association between self-reported and objectively measured back health among sedentary office workers” by Antje Reschke (Potsdam, Germany)
  • “Effect of DLC coating of growth-guidance system implants on changes in mechanical and kinematic properties of the spine” by Sylwia Szotek (Wrocław, Poland)
  • “Comparison of load-sharing and axis of rotation in generic and individualised neuro-musculoskeletal models of the spine” by Robert Rockenfeller (Koblenz, Germany)
Session 9: Trunk Stabilization and Control / Muscle Mechanics

Moderators: Saeed A. Shirazi-Adl, Farshid Ghezelbash

  • “Comparative evaluation of different spinal stability metrics” by Amir Eskandari (Burnaby, Canada)
  • “Low-back pain and associated anxiety may increase the gain but reduce the precision of feedback in control of trunk posture and movement” by Jaap van Dieën (Amsterdam, The Netherlands)
  • “Can intermittent changes in muscle length delay back muscle fatigue development?” by Niels Brouwer (Amsterdam, The Netherlands)
  • “Can multi-body spine models predict muscle antagonism? A methodological and validation study” by Alice Caimi (Zurich, Switzerland)
  • “The assessment of paraspinal muscle epimuscular fat in participants with and without low back pain: A case-control study” by Maryse Fortin (Montréal, Canada)

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