Motoneuron-driven computational muscle modelling with motor unit resolution and subject-specific musculoskeletal anatomy

AH Caillet, ATM Phillips, D Farina… - PLOS Computational …, 2023 - journals.plos.org
The computational simulation of human voluntary muscle contraction is possible with EMG-
driven Hill-type models of whole muscles. Despite impactful applications in numerous fields …

[HTML][HTML] Spatial decomposition of ultrafast ultrasound images to identify motor unit activity–A comparative study with intramuscular and surface EMG

R Rohlén, E Lubel, BG Sgambato, C Antfolk… - … of Electromyography and …, 2023 - Elsevier
The smallest voluntarily controlled structure of the human body is the motor unit (MU),
comprised of a motoneuron and its innervated fibres. MUs have been investigated in …

Spatially repeatable components from ultrafast ultrasound are associated with motor unit activity in human isometric contractions

R Rohlén, M Carbonaro, GL Cerone… - Journal of Neural …, 2023 - iopscience.iop.org
Objective. Ultrafast ultrasound (UUS) imaging has been used to detect intramuscular
mechanical dynamics associated with single motor units (MUs). Detecting MUs from …

Accurate Identification of Motoneuron Discharges from Ultrasound Images Across the Full Muscle Cross-Section

E Lubel, R Rohlén, BG Sgambato… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Objective: Non-invasive identification of motoneuron (MN) activity commonly uses
electromyography (EMG). However, surface EMG (sEMG) detects only superficial sources, at …

A fast blind source separation algorithm for decomposing ultrafast ultrasound images into spatiotemporal muscle unit kinematics

R Rohlén, J Lundsberg, N Malesevic… - Journal of Neural …, 2023 - iopscience.iop.org
Objective. Ultrasound can detect individual motor unit (MU) activity during voluntary
isometric contractions based on their subtle axial displacements. The detection pipeline …

Image-Derived Skeletal Muscle Activation Metric Map: a Forearm Study Using Ultra-Fast Ultrasound Imaging and High-Density Electromyography

Z Sheng, E Bedoy, BE Dicianno… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Objective: Quantification of the skeletal muscle response can help better understand the
fundamentals of the musculoskeletal system and can serve as a diagnostic measure or …

[HTML][HTML] Assessing the impact of degree of fusion and muscle fibre twitch shape variation on the accuracy of motor unit discharge time identification from ultrasound …

R Rohlén, E Lubel, D Farina - Biomedical Signal Processing and Control, 2025 - Elsevier
Objective Ultrasound (US) images during a muscle contraction can be decoded into
individual motor unit (MU) activity, ie, trains of neural discharges from the spinal cord …

Spatial decomposition of ultrafast ultrasound images to identify motor unit activity–A validation study using intramuscular and surface EMG

R Rohlén, E Lubel, BG Sgambato, C Antfolk, D Farina - bioRxiv, 2023 - biorxiv.org
The smallest voluntarily controlled structure of the human body is the motor unit (MU),
comprised of a motoneuron and its innervated fibres. MUs have been investigated in …

[PDF][PDF] Detecting neuromechanical properties of single motor unit by combining high-density electromyography and ultrafast ultrasonography

M Carbonaro - 2023 - iris.unito.it
Advancements in surface electromyography and ultrasonography have provided new
technologies for acquiring highly-informative experimental data, opening new avenues for …