Lower Extremity Biomechanics and Pathologies

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.

Joint Moment-Angle/Velocity Relations in the Hip, Knee, and Ankle: A Meta-Visualization of Datasets

The paper meta-visualizes 985 joint moment datasets to explore hip, knee, and ankle moment-angle and moment-velocity relations in musculoskeletal mechanics.

The effects of running shoe stack height on running style and stability during level running at different running speeds

This study examines how different running shoe stack heights affect running style and stability at various speeds, finding that higher stack heights alter kinematic parameters and stability metrics.

The energetic cost of human walking as a function of uneven terrain amplitude

This paper quantifies the energy cost of walking on uneven terrain, showing it increases quadratically with amplitude and cubically with speed.

Effects of longitudinal bending stiffness and midsole foam on running energetics

This study quantifies how longitudinal bending stiffness and midsole foam affect running economy, finding similar improvements from a carbon fiber plate or PEBA foam.

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.

A split-belt instrumented treadmill with uneven terrain

This paper describes modifications to a split-belt instrumented treadmill to enable use on uneven terrain, demonstrating accurate ground reaction force measurements.

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.

Moving in pain - A preliminary study evaluating the immediate effects of experimental knee pain on locomotor biomechanics.

This study examines how experimental knee pain affects locomotor biomechanics during walking, finding changes in knee flexion angles and reduced joint stiffness with increasing pain intensity.

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.

How many segments are enough to biomechanically model the feet? A comparison of inverse kinematics and dynamics in multisegmented foot models

This study compares multisegmented foot models to determine if they yield consistent joint kinematic and kinetic data, finding significant variability based on segment definitions.

How human runners regulate footsteps on uneven terrain

This study examines how human runners maintain stability on uneven terrain by analyzing their kinematics, energetics, and stepping patterns, finding that leg compliance, not precise foot placement, ensures stability.

Mechanical Work Accounts for Most of the Energetic Cost in Human Running

The paper estimates the energetic cost of human running and finds that active muscle work accounts for most of the cost, even when considering passive elastic contributions.

Development and validation of FootNet; a new kinematic algorithm to improve foot-strike and toe-off detection in treadmill running

FootNet is a deep learning algorithm that improves foot-strike and toe-off detection in treadmill running without force data, outperforming existing methods across various running conditions.

Slow walking synergies reveal a functional role for arm swing asymmetry in healthy adults: a principal component analysis with relation to mechanical work.

This study uses principal component analysis to examine arm-swing asymmetry in healthy adults during slow walking, finding a relationship between arm-swing dominance and lower-limb mechanical work asymmetry.

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

Influence of Arm Swing on Cost of Transport during Walking

This study examines how different arm swing amplitudes affect the cost of transport during walking, finding that excessive arm swing does not further reduce energy costs.