Temporal features of muscle synergies in sit-to-stand motion reflect the motor impairment of post-stroke patients

N Yang, Q An, H Kogami, H Yamakawa… - … on Neural Systems …, 2019 - ieeexplore.ieee.org
Sit-to-stand (STS) motion is an important daily activity, and many post-stroke patients have
difficulty performing STS motion. Previous studies found that there are four muscle synergies …

Predictive simulation of sit-to-stand based on reflexive-controllers

D Muñoz, C De Marchis, L Gizzi, G Severini - Plos one, 2022 - journals.plos.org
Sit-to-stand can be defined as a set of movements that allow humans to rise from a sitting
position to a bipedal standing pose. These movements, often categorized as four distinct …

Muscle synergies underlying sit-to-stand tasks in elderly people and their relationship with kinetic characteristics

H Hanawa, K Kubota, T Kokubun, T Marumo… - Journal of …, 2017 - Elsevier
Background Physiological evidence suggests that the nervous system controls motion by
using a low-dimensional synergy organization for muscle activation. Because the muscle …

Muscle synergy structure using different strategies in human standing-up motion

N Yang, Q An, H Yamakawa, Y Tamura… - Advanced …, 2017 - Taylor & Francis
Standing-up motion is an important daily activity. It has been known that humans can employ
different strategies to stand up from a chair, but it was not clear how people control their …

Investigation of muscle synergies and their consistency among fresh fruit bunches manual harvesters in a real-life oil palm industry

YX Teo, YS Chan, SG Nurzaman, D Gouwanda… - International Journal of …, 2023 - Elsevier
Oil palm industry still relies on manual harvesting, a physicality-reliant task that was found
related to the occurrence of musculoskeletal disorders (MSDs) among the harvesters …

Effect of physical therapy on muscle synergy structure during standing-up motion of hemiplegic patients

H Kogami, Q An, N Yang, H Yamakawa… - IEEE Robotics and …, 2018 - ieeexplore.ieee.org
Stroke patients suffer from declined physical ability, and it is important to analyze
rehabilitation intervention and clarify its effect on the motion of patients. In this study, the …

Clarify sit-to-stand muscle synergy and tension changes in subacute stroke rehabilitation by musculoskeletal modeling

R Wang, Q An, N Yang, H Kogami… - Frontiers in systems …, 2022 - frontiersin.org
Post-stroke patients exhibit distinct muscle activation electromyography (EMG) features in sit-
to-stand (STS) due to motor deficiency. Muscle activation amplitude, related to muscle …

Forearm muscle activity estimation based on anatomical structure of muscles

S Okajima, ÁL Costa‐García, S Ueda… - The Anatomical …, 2023 - Wiley Online Library
Estimation of muscle activity using surface electromyography (sEMG) is an important non‐
invasive method that can lead to a deeper understanding of motor‐control strategies in …

Clarification of muscle synergy structure during standing-up motion of healthy young, elderly and post-stroke patients

N Yang, Q An, H Yamakawa, Y Tamura… - 2017 International …, 2017 - ieeexplore.ieee.org
Standing-up motion is an important daily activity. It has been known that elderly and post-
stroke patients have difficulty in performing standing-up motion. The standing-up motion is …

Visual and vestibular inputs affect muscle synergies responsible for body extension and stabilization in sit-to-stand motion

K Yoshida, Q An, A Yozu, R Chiba… - Frontiers in …, 2019 - frontiersin.org
The sit-to-stand motion is a common movement in daily life and understanding the
mechanism of the sit-to-stand motion is important. Our previous study shows that four muscle …