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

LT Thomeer, S Guan, HA Gray, MG Pandy

2022-08-01

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

LT Thomeer, YC Lin, MG 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

HA Gray, S Guan, LT Thomeer, AG Schache, R de Steiger, MG 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

P Sritharan, YC Lin, SE Richardson, KM Crossley, TB Birmingham, MG 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

JP Walter, MG 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

HA Gray, S Guan, MG Pandy

2017-05-24

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

P Sritharan, YC Lin, SE Richardson, KM Crossley, TB Birmingham, MG 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

DL Robinson, ME Kersh, NC Walsh, DC Ackland, RN de Steiger, MG 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

S Guan, HA Gray, F Keynejad, MG 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

M Akbarshahi, JW Fernandez, AG Schache, MG Pandy

2014-01-01

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