[HTML][HTML] EMG-based prediction of step direction for a better control of lower limb wearable devices

E Anselmino, A Mazzoni, S Micera - Computer methods and programs in …, 2024 - Elsevier
Background and objectives Lower-limb wearable devices can significantly improve the
quality of life of subjects suffering from debilitating conditions, such as amputations …

Step Width Estimation in Individuals With and Without Neurodegenerative Disease Via a Novel Data-Augmentation Deep Learning Model and Minimal Wearable …

H Wang, Z Ullah, E Gazit, M Brozgol… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Step width is vital for gait stability, postural balance control, and fall risk reduction. However,
estimating step width typically requires either fixed cameras or a full kinematic body suit of …

Exploring the control of whole-body angular momentum in young and elderly based on the virtual pivot point concept

V Firouzi, O Mohseni, A Seyfarth… - Royal Society …, 2024 - royalsocietypublishing.org
While walking, ground reaction forces point from the centre of pressure to the
neighbourhood of a focal point, namely the virtual pivot point (VPP), that adjusts angular …

Balance recovery schemes following mediolateral gyroscopic moment perturbations during walking

O Mohseni, A Mahmoudi, V Firouzi, A Seyfarth… - PloS one, 2024 - journals.plos.org
Maintaining balance during human walking hinges on the exquisite orchestration of whole-
body angular momentum (WBAM). This study delves into the regulation of WBAM during gait …

Characterization of hip abduction exoskeleton for assistance during gait perturbations

V Varma, SN Patel, NP Wilson… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
Robotic lower limb exoskeletons have been shown to successfully provide joint torques to
assist human subjects during walking. Assisting the wearer during gait perturbations to …

Dynamic duo: Design and validation of an autonomous frontal and sagittal actuating hip exoskeleton for balance modulation during perturbed locomotion

JK Leestma, S Mathur, MD Anderton… - IEEE Robotics and …, 2024 - ieeexplore.ieee.org
Humans are required to maintain balance during locomotion in challenging environments,
which present an even bigger challenge for individuals with balance impairments …

Lower-limb joint quasi-stiffness in the frontal and sagittal planes during walking at different step widths

SL Molitor, RR Neptune - Journal of Biomechanics, 2024 - Elsevier
Quasi-stiffness describes the intersegmental joint moment–angle relationship throughout the
progression of a task. Previous work has explored sagittal-plane ankle quasi-stiffness and its …

A Data-Driven Approach to Estimate Human Center of Mass State During Perturbed Locomotion Using Simulated Wearable Sensors

JK Leestma, CR Smith, GS Sawicki… - Annals of Biomedical …, 2024 - Springer
Center of mass (COM) state, specifically in a local reference frame (ie, relative to center of
pressure), is an important variable for controlling and quantifying bipedal locomotion …

Design and Evaluation of a Powered Hip Exoskeleton for Frontal and Sagittal Plane Assistance

D Archangeli, B Ortolano, R Murray… - 2024 10th IEEE RAS …, 2024 - ieeexplore.ieee.org
Powered exoskeletons have the potential to improve ambulation for millions of individuals
who struggle with mobility. Most powered exoskeletons aim to improve walking economy …

Mediolateral Upper-body Gyroscopic Moment Perturbations During Walking: Exploring Muscle Activation Patterns and Control Strategies

O Mohseni, A Berry, C Schumacher, A Seyfarth… - 2024 - researchsquare.com
Adaptive motor control and seamless coordination of muscle actions in response to external
perturbations are crucial to maintaining balance during bipedal locomotion. There is an …