Lower Extremity Biomechanics and Pathologies

Inter-Individual Variability in Cycling Biomechanics During Experimentally Induced Movement-Evoked Knee Pain

This study examines how experimentally induced knee pain affects bilateral cycling biomechanics and inter-individual variability in motor responses.

The Influence of Obesity and Body Shape on Sagittal Plane Knee Kinematics and Kinetics during Obstacle Crossing

This study examines how obesity and body shape affect knee biomechanics during obstacle crossing, finding greater knee extension moments in obese individuals and shape-specific differences in knee angles.

Joint loading in the presence of torsional deformities is overestimated unless gait adaptations are considered: a predictive simulation approach

This study uses predictive simulations to show that joint loading in lower limbs with torsional deformities is overestimated without considering gait adaptations.

Simple Feedback for Complex Movement: Capturing Whole-Limb Reorganization during Single-IMU Gait Retraining

This study develops a single-IMU visual biofeedback system to retrain gait, showing it can modify gait mechanics and adaptation across multiple lower-limb segments.

The effects of muscle fibre type distribution on gait biomechanics: A predictive simulation study

This study predicts how muscle fibre type distribution affects gait biomechanics and metabolic cost across different locomotion speeds.

Groucho running reveals disparate results between ground reaction force and tibia-fibula bone strain in runners

This study examines how changes in running technique affect bone strain and ground reaction forces, finding no significant correlation between reduced forces and decreased bone strain.

Lower-limb mechanical power accounts for running energy expenditure and enables single-IMU estimation

This study quantifies how segment-level mechanical power contributes to running energy expenditure and shows that hip joint power from a single IMU can accurately estimate EE.

Understanding the biomechanical and physiological responses to Advanced Footwear Technology in well-trained male and female runners

This study evaluates the biomechanical and physiological responses of well-trained runners to three advanced footwear technologies, finding that one model significantly improved running economy with consistent benefits across both sexes.

Predictive Neuromechanical Simulation Explains Gait Biomechanics in Obesity

This study uses predictive neuromechanical simulations to show that obesity-related gait changes and knee loading are influenced by both body mass distribution and objectives that penalize knee loading.

Kinematics to Kinetics: Evaluating OpenGRF for Scalable Ground Reaction Force Estimation in Healthy and Pathological Gait

This study evaluates OpenGRF's accuracy in estimating ground reaction forces during gait in healthy and pathological conditions using motion-capture data.

A reduced order multibody model of the foot and ankle complex based on kinematic synergies

This paper introduces a reduced-order multibody model of the foot and ankle complex using kinematic synergies, achieving high accuracy in reconstructing bone-level kinematics with fewer markers.

Closed Kinematic Chain Biomechanics and Cycling: Linking Biomechanical Variables to Knee Joint Loading

This study analyzes knee joint loading in cycling using biomechanical data from 16 cyclists, revealing significant inter-subject variability and the importance of personalized training strategies.

The Effects of Different Gait Patterns on Knee Joint Biomechanics and Dynamic Stability during Stair Walking in Healthy Adults

This study compares knee joint biomechanics and dynamic stability during stair ascent using single-step and cross-step gait patterns in healthy adults, finding that cross-step reduces stability and increases joint stress.

Vertical Ground Reaction Force Morphology Is Determined by Step-to-Step Transition Mechanical Energy Imbalance During Human Walking

This study shows that vertical ground reaction force morphology during walking reflects the imbalance between push-off and collision impulses, with a preferred balance at 1.2 m/s.

Submaximal running energetics are maintained despite local muscle fatigue

This study examines how local muscle fatigue affects running metabolic cost and finds that it does not increase metabolic power despite fatigue in plantar flexors or knee extensors.

OpenGRF: Predicting Ground Reaction Forces and Moments During Daily Living Activities in OpenSim

OpenGRF estimates ground reaction forces and moments from kinematics in OpenSim, achieving high accuracy for vertical forces and ankle moments but lower accuracy for medio-lateral forces and free moments.

Gender Differences in Lower Body Biomechanics: Insights from High-Resolution Motion Capture for Computer Vision and Assistive Technologies

Methodology, Validation and Testing of an Inexpensive Optical Planar-Motion Capture System

The paper presents an inexpensive optical motion capture system for joint angle measurement, validated against an electrogoniometer and tested in a case study with Ankle Foot Orthoses.

Footwear-specific biomechanical and energetic responses to 8 weeks of training in advanced footwear technology

This study examines how 8 weeks of training in advanced footwear technology (AFT) affects running economy and biomechanics, finding that AFT training increases metabolic benefits and alters joint mechanics.

Mechanical Equilibrium of Step Transition Governs Vertical Ground Reaction Force Morphology in Human Walking

This study investigates how mechanical factors during walking shape vertical ground reaction force (vGRF) profiles, finding that asymmetry in step-transition work influences vGRF morphology and introducing a new metric to assess gait efficiency.

A Modified Approach to Define Walking Center of Mass Mechanical Energy Recovery: Human Walking Involves Energy Loss Throughout Stance

This paper introduces a modified definition of center-of-mass energy recovery in human walking, showing it decreases with speed and is influenced by dissipation and muscle work.

Calibration of instrumented treadmills using an instrumented pole; a modified version to use relatively smaller forces

The paper presents a simplified method for calibrating instrumented treadmills using an instrumented pole with reduced force requirements, achieving high accuracy in ground reaction force measurements.

Milliseconds matter: Biomechanical inverse dynamics analysis is highly sensitive to imperfect data synchronization

This study quantifies how biomechanical inverse dynamics analysis is highly sensitive to temporal mis-synchronization in data, showing significant errors in joint moments and powers with even small delays.

Validity of Two-Dimensional Static Footprint in Medial Longitudinal Arch Evaluation and the Characteristics of Athletes' Footprints