Muscle activation and electromyography studies

Tongue-Palate Electromyographic Synchronization Related to Swallowing, Mastication, and Speech

This study examines intermuscular coupling between tongue and palate EMG signals during swallowing, mastication, and speech, finding significant ERC peaks in all frequency bands before task onset, with beta band ERC higher for swallowing than mastication.

Impact of Noise on Deep Learning-Based Pseudo-Online Gesture Recognition with High-Density EMG

This study evaluates how different noises affect a DNN-based gesture recognition system using HD-sEMG, finding that feature type and noise type influence performance degradation.

Perceived time drives physical fatigue

This study investigates how perceived time affects physical fatigue using EEG, finding that fatigue accumulates with perceived time, influenced by frontal theta and beta oscillations.

Increase trajectories of tendon micro vibration intensity during ankle plantar flexion: A longitudinal data analysis using latent curve models

This study uses latent curve models to analyze MTG data from Achilles tendons during ankle plantar flexion, revealing sex-specific trajectories of MTG increase with muscle strength.

Projection of Cortical Beta Band Oscillations to a Motor Neuron Pool Across the Full Range of Recruitment

The paper investigates how cortical beta band oscillations are transmitted to motor neurons across different recruitment thresholds, finding uniform strength and consistent corticospinal delays.

Detecting single motor-unit activity in magnetomyography

This study demonstrates that magnetomyography (MMG) signals can detect individual motor units non-invasively using SQUIDs and OPMs, validated by simultaneous intramuscular EMG recordings.

Visualising joint force-velocity properties in musculoskeletal models

The paper develops a visualization method for joint force-velocity properties in musculoskeletal models to analyze how muscle dynamics influence movement.

The stretch-shortening cycle effect is not associated with cortical or spinal excitability modulations

This study investigates whether cortical or spinal excitability changes contribute to improved stretch-shortening cycle (SSC) performance, finding no significant associations and suggesting mechanical factors are more influential.

Pushing the limits of human motor control: high-frequency ankle oscillations in expert drummers

This study examines neuromechanical features of high-frequency ankle oscillations in expert drummers, finding performance differences linked to muscle activation timing and proximal stabilization.

JiSuJi, a virtual muscle for small animal simulations, accurately predicts force from naturalistic spike trains

JiSuJi is a muscle model that accurately predicts force from spike trains, outperforming existing simulators in speed and accuracy for fast-contracting muscles.

From muscle fibres to muscle gears: How dynamic fascicle orientation and shape change impact skeletal muscle function

This paper reviews how dynamic changes in muscle architecture during contractions affect force and power output, introducing the concept of muscle gearing as a key factor in muscle function.

Training-induced alterations in the modulation of human motoneuron discharge patterns with contraction force

This study compares motor unit discharge patterns in resistance-trained, endurance-trained, and untrained humans during contractions, finding differences in discharge rates and modulation during higher forces.

Neural determinants of the increase in muscle strength and force steadiness of the untrained limb following a 4-week unilateral training

This study investigates neural adaptations in muscle strength and force steadiness in untrained limbs after unilateral training, finding reduced synaptic input variability and increased neural drive in trained and contralateral limbs.

Modulation of Common Synaptic Inputs and Motor Unit Recruitment Threshold in TricepsSurae Muscles: Effects of Ankle Position

This study examines how ankle position affects force control, motor unit recruitment, and coherence in triceps surae muscles during isometric contractions.

The Neuromusculoskeletal Modeling Pipeline: MATLAB-based Model Personalization and Treatment Optimization Functionality for OpenSim

MATLAB toolsets add joint, muscle, synergy, and foot-contact personalization and optimal-control treatment design to OpenSim; one post-stroke case predicted 60% faster walking at equal metabolic cost.

Development of a real-time neural controller using an EMG-driven musculoskeletal model

This paper develops a real-time neural controller using an EMG-driven musculoskeletal model to enable volitional control of robots and computers with high accuracy and low latency.

MyoBack: A Musculoskeletal Model of the Human Back with Integrated Exoskeleton

The paper introduces MyoBack, a musculoskeletal model of the human back integrated with an exoskeleton, validated against experimental data to simulate back forces during movements.

Muscle Moment Arm-Joint Angle Relations in the Hip, Knee, and Ankle: A Visualization of Datasets

The paper collects and visualizes 300 muscle moment arm datasets to explore hip, knee, and ankle moment arm-joint angle relations.

Bilateral neuromuscular adaptation to acute unilateral resistance exercise in healthy older adults

This study examines bilateral neuromuscular adaptation after unilateral resistance exercise in older adults, finding reduced MVC in both legs but no change in MU potentials in the non-exercised limb.

Electrophysiological approaches to understanding brain-muscle interactions during gait: a systematic review

This study reviews EEG-EMG connectivity during gait, finding significant neuromuscular connectivity in healthy individuals and its modulation by task demands and pathology.

Serotonergic Modulation of Motoneuronal Excitability and Its Impact on Muscle Force Generation: A Computational Study

This study uses a computational model to show that serotonin modulates motoneuron excitability and muscle force generation, with physiological levels enhancing high-frequency responses while high concentrations cause fatigue.

Personalized mapping of inhibitory spinal cord circuits in vivo via non-invasive neural decoding and in silico modelling

This study uses high-density surface EMG and in silico modelling to reveal subject-specific inhibitory spinal microcircuit properties and control strategies.

Muscle Activation of Upper Body in Different-Angle Suspension Push-Ups: An Analysis of Angle-Specific Muscle Engagement

This study compares muscle activation in TRX and stable-surface push-ups at different angles, finding higher pectoralis major activation in TRX push-ups and angle-specific differences in muscle engagement.

Flexible Control of Motor Units: Is the Multidimensionality of Motor Unit Manifolds a Sufficient Condition?

This study examines motor unit control flexibility by analyzing dimensionality of motor unit activity in two muscles, finding that while some muscles exhibit multidimensional manifolds, their control remains limited.

Using physiologically-based models to predict in vivo skeletal muscle energetics

This study uses physiologically-based muscle models to predict in vivo skeletal muscle energetics and finds they capture general features but underpredict energetic cost magnitude.

A single low-dimensional neural component of motor unit activity explains force generation across repetitive isometric tasks

The paper uses PCA and FA to show a single low-dimensional motor unit component explains most force oscillations during repetitive isometric tasks.

Strange effects of activation dynamics on musculoskeletal trajectory optimization

The paper shows that using activation instead of excitation in optimization objectives for human movement avoids issues with rapid switching strategies in musculoskeletal trajectory optimization.

Plug-and-Play Myoelectric Control via a Self-Calibrating Random Forest Common Model

This paper introduces a self-calibrating random forest model for myoelectric control that improves performance over time with minimal data and user adaptation.

Optimal sigmoid function models for analysis of transspinal evoked potential recruitment curves recorded from different muscles

The paper compares sigmoidal models for fitting transspinal evoked potential recruitment curves from soleus and tibialis anterior muscles, identifying optimal models for each.

Mechanical efficiency during sub-maximal cycling is underestimated because negative muscular power is ignored

The paper shows that mechanical efficiency during sub-maximal cycling is underestimated because negative muscular power is not accounted for, leading to significant corrections in efficiency estimates.