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Related papers: Quantifying lower-limb muscle coordination during …

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Running is a fundamental form of human locomotion and a key task for evaluating neuromuscular control and lower-limb coordination. In recent years, muscle synergy analysis based on surface electromyography (sEMG) has become an important…

Quantitative Methods · Quantitative Biology 2026-01-01 Ye Ma , Shixin Lin , Shengxing Fu , Yuwei Liu , Chenyi Guo , Dongwei Liu , Meijin Hou

Human locomotion emerges from high-dimensional neuromuscular control, making predictive musculoskeletal simulation challenging. We present a physiology-informed reinforcement-learning framework that constrains control using muscle…

Machine Learning · Computer Science 2026-05-29 Ilseung Park , Eunsik Choi , Jangwhan Ahn , Jooeun Ahn

A common challenge in Bicep Curls rehabilitation is muscle compensation, where patients adopt alternative movement patterns when the primary muscle group cannot act due to injury or fatigue, significantly decreasing the effectiveness of…

Robotics · Computer Science 2024-05-28 Ming Xuan Chua , Yoshiro Okubo , Shuhua Peng , Thanh Nho Do , Chun Hui Wang , Liao Wu

Although we can measure muscle activity and analyze their activation patterns, we understand little about how individual muscles affect the joint torque generated. It is known that they are controlled by circuits in the spinal cord, a…

Neurons and Cognition · Quantitative Biology 2022-01-19 Benedikt Feldotto , Cristian Soare , Alois Knoll , Piyanee Sriya , Sarah Astill , Marc de Kamps , Samit Chakrabarty

Assessing the progression of muscle fatigue for daily exercises provides vital indicators for precise rehabilitation, personalized training dose, especially under the context of Metaverse. Assessing fatigue of multi-muscle…

Human-Computer Interaction · Computer Science 2024-12-03 Chunzhi Yi , Xiaolei Sun , Chunyu Zhang , Wei Jin , Jianfei Zhu , Haiqi Zhu , Baichun Wei

Objective: Shoulder exoskeletons can effectively assist with overhead work. However, their impacts on muscle synergy remain unclear. The objective is to systematically investigate the effects of the shoulder exoskeleton on muscle synergies…

Medical Physics · Physics 2024-11-26 Jin Tian , Baichun Wei , Chifu Yang , Suo Luo , Jiadong Feng , Ping Li , Changbing Chen , Yingjie Liu , Haiqi Zhu , Chunzhi Yi

Higher-order tensor decompositions have hardly been used in muscle activity analysis despite multichannel electromyography (EMG) datasets naturally occurring as multi-way structures. Here, we seek to demonstrate and discuss the potential of…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Ahmed Ebied , Eli Kinney-lang , Loukianos Spyrou , Javier Escudero

Accidentology or shock biomechanics are research domains mainly devoted to the development of safety conditions for the users of various transport modes in case of an accident. The objective of this study was to improve the knowledge of the…

Classical Physics · Physics 2007-05-23 Martine Pithioux , Pascale Chavet , Nancy St-Onge , Caroline Nicol

Due to the redundancy of our motor system, movements can be performed in many ways. While multiple motor control strategies can all lead to the desired behavior, they result in different joint and muscle forces. This creates opportunities…

Quantitative Methods · Quantitative Biology 2022-07-05 Heiko Wagner , Kim Joris Boström , Marc H. E. de Lussanet , Myriam L. de Graaf , Christian Puta , Luis Mochizuki

This study introduces a novel muscle activation analysis based on surface electromyography (sEMG) signals to assess the muscle's after-fatigue condition. Previous studies have mainly focused on the before-fatigue and fatigue conditions.…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Van Hieu Nguyen , Gia Thien Luu , Thien Van Luong , Mai Xuan Trang , Philippe Ravier , Olivier Buttelli

A Hill-type model is proposed for the extension-flexion cycle of human knees during bicycle riding. The extension-flexion cycle is controlled by a synergy of muscular excitations and contractions of the knee musculature. Muscular action…

Tissues and Organs · Quantitative Biology 2016-08-23 Zoran Gojkovic , Tijana Ivancevic

Cooperative action of molecular motors is essential for many cellular processes. One possible regulator of motor coordination is the elasticity-mediated crosstalk (EMC) coupling between myosin II motors whose origin is the tensile stress…

Biological Physics · Physics 2015-06-15 Nadiv Dharan , Oded Farago

The muscle synergy concept provides the best framework to understand motor control and it has been recently utilised in many applications such as prosthesis control. The current muscle synergy model relies on decomposing multi-channel…

Signal Processing · Electrical Eng. & Systems 2020-07-07 Ahmed Ebied , Loukianos Spyrou , Eli Kinney-Lang , Javier Escudero

In this study, we investigate how the central nervous system (CNS) organizes postural control synergies when individuals perform a complex catch-and-throw task in a virtual reality (VR) environment. A Robotic Upright Stand Trainer (RobUST)…

Robotics · Computer Science 2023-05-12 Xupeng Ai , Victor Santamaria , Isirame Babajide Omofuma , Sunil K. Agrawal

This study evaluates the agreement of marker-based and markerless (OpenCap) motion capture systems in assessing joint kinematics and kinetics during cycling. Markerless systems, such as OpenCap, offer the advantage of capturing natural…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Reza Kakavand , Reza Ahmadi , Atousa Parsaei , W. Brent Edwards , Amin Komeili

Objective: Muscle contractions are commonly detected by performing EMG measurements. The major disadvantage of this technique is that mechanical disturbances to the electrodes are in the same frequency and magnitude range as the desired…

Medical Physics · Physics 2019-08-28 Roman Kusche , Martin Ryschka

Developing accurate hand gesture perception models is critical for various robotic applications, enabling effective communication between humans and machines and directly impacting neurorobotics and interactive robots. Recently, surface…

Robotics · Computer Science 2024-08-06 Costanza Armanini , Tuka Alhanai , Farah E. Shamout , S. Farokh Atashzar

Humans and other animals coactivate agonist and antagonist muscles in many motor actions. Increases in muscle coactivation are thought to leverage viscoelastic properties of skeletal muscles to provide resistance against limb motion.…

Tissues and Organs · Quantitative Biology 2024-10-22 Philipp Maurus , Daniel P. Armstrong , Stephen H. Scott , Tyler Cluff

A functional electrical stimulation (FES)-based tracking controller is developed to enable cycling based on a strategy to yield force direction efficiency by exploiting antagonistic bi-articular muscles. Given the input redundancy naturally…

Systems and Control · Computer Science 2013-10-02 Hiroyuki Kawai , Matthew J. Bellman , Ryan J. Downey , Warren E. Dixon

This study investigates the impact of electrode shift and sensor reapplication on common surface electromyography (sEMG) features in lower limb muscles, factors which have, thus far, precluded clinicians from being able to attribute…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Fraser Douglas , Mona Pei , Calvin Kuo
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