Integration of high-speed dynamic x-ray imaging and patient-specific computational modelling for non-invasive assessment of knee-joint function

Articular contact motion at the knee during daily activities

Lucas T Thomeer, Shanyuanye Guan, Hans A Gray, Marcus G Pandy

2021-12-08

We combined mobile biplane X-ray imaging and magnetic resonance imaging to measure the regions of articular cartilage contact and ..

Six-Degree-of-Freedom Tibiofemoral and Patellofemoral Joint Motion During Activities of Daily Living.

Lucas Thomeer, Shanyuanye Guan, Hans Gray, Anthony Schache, Richard de Steiger, Marcus Pandy

2021-04-01

The purpose of this study was to measure the three-dimensional movements of the femur, tibia and patella in healthy young people d..

Load Distribution at the Patellofemoral Joint During Walking

Lucas T Thomeer, Yi-Chung Lin, Marcus G Pandy

2020-12-01

We combined computational modelling with experimental gait data to describe and explain load distribution across the medial and la..

Direct Validation of Human Knee-joint Contact Mechanics Derived From Subject-specific Finite-element Models of the Tibiofemoral and Patellofemoral Joints.

Wei Gu, Marcus Pandy

2020-07-01

The primary aim of this study was to validate predictions of human knee-joint contact mechanics derived from finite-element models..

Three-dimensional motion of the knee-joint complex during normal walking revealed by mobile biplane x-ray imaging

Hans A Gray, Shanyuanye Guan, Lucas T Thomeer, Anthony G Schache, Richard de Steiger, Marcus G Pandy

2019-03-01

Accurate knowledge of knee kinematics is important for a better understanding of normal joint function and for improving patient o..

Lower-limb muscle function during gait in varus mal-aligned osteoarthritis patients

Prasanna Sritharan, Yi-Chung Lin, Sara E Richardson, Kay M Crossley, Trevor B Birmingham, Marcus G Pandy

2018-08-01

This study quantified the contributions by muscular, gravitational and inertial forces to the ground reaction force (GRF) and exte..

Dynamic simulation of knee-joint loading during gait using force-feedback control and surrogate contact modelling

Jonathan P Walter, Marcus G Pandy

2017-10-01

The aim of this study was to perform multi-body, muscle-driven, forward-dynamics simulations of human gait using a 6-degree-of-fre..

Accuracy of mobile biplane X-ray imaging in measuring 6-degree -of-freedom patellofemoral kinematics during overground gait

Hans A Gray, Shanyuanye Guan, Marcus G Pandy

2017-05-01

The aim of this study was to evaluate the accuracy with which mobile biplane X-ray imaging can be used to measure patellofemoral k..

Musculoskeletal loading in the symptomatic and asymptomatic knees of middle-aged osteoarthritis patients

Prasanna Sritharan, Yi-Chung Lin, Sara E Richardson, Kay M Crossley, Trevor B Birmingham, Marcus G Pandy

2017-02-01

This study quantified the contributions by muscles, gravity, and inertia to the tibiofemoral compartment forces in the symptomatic..

Mechanical properties of normal and osteoarthritic human articular cartilage

Dale L Robinson, Mariana E Kersh, Nicole C Walsh, David C Ackland, Richard N de Steiger, Marcus G Pandy

2016-08-01

Isotropic hyperelastic models have been used to determine the material properties of normal human cartilage, but there remains an ..

Mobile Biplane X-Ray Imaging System for Measuring 3D Dynamic Joint Motion During Overground Gait

Shanyuanye Guan, Hans A Gray, Farzad Keynejad, Marcus G Pandy

2016-01-01

Most X-ray fluoroscopy systems are stationary and impose restrictions on the measurement of dynamic joint motion; for example, kne..

Contribution of tibiofemoral joint contact to net loads at the knee in gait

JP Walter, N Korkmaz, BJ Fregly, MG Pandy

2015-07-01

Inverse dynamics analysis is commonly used to estimate the net loads at a joint during human motion. Most lower-limb models of mov..

Subject-specific evaluation of patellofemoral joint biomechanics during functional activity

Massoud Akbarshahi, Justin W Fernandez, Anthony G Schache, Marcus G Pandy

2014-09-01

Patellofemoral joint pain is a common problem experienced by active adults. However, relatively little is known about patellofemor..