[HTML][HTML] Muscle Synergy Analysis as a Tool for Assessing the Effectiveness of Gait Rehabilitation Therapies: A Methodological Review and Perspective

D Borzelli, C De Marchis, A Quercia, P De Pasquale… - Bioengineering, 2024 - mdpi.com
According to the modular hypothesis for the control of movement, muscles are recruited in
synergies, which capture muscle coordination in space, time, or both. In the last two …

Explaining the influence of practice on the grooved pegboard times of older adults: role of force steadiness

S Daneshgar, T Tvrdy, RM Enoka - Experimental Brain Research, 2024 - Springer
The purpose was to identify the variables that can explain the variance in the grooved
pegboard times of older adults categorized as either fast or slow performers. Participants (n …

Motor unit modes in the calf muscles during a submaximal isometric contraction are changed by brief stretches

LE Weinman, A Del Vecchio, MR Mazzo… - The Journal of …, 2024 - Wiley Online Library
The purpose of our study was to investigate the influence of a stretch intervention on the
common modulation of discharge rate among motor units in the calf muscles during a …

Achilles tendon morpho-mechanical parameters are related to triceps surae motor unit firing properties

I Contreras-Hernandez, M Arvanitidis… - Journal of …, 2024 - journals.physiology.org
Recent studies combining high-density surface electromyography (HD-sEMG) and
ultrasound imaging have yielded valuable insights into the relationship between motor unit …

Horizontal foot orientation affects the distribution of neural drive between gastrocnemii during plantarflexion, without changing neural excitability

M Crouzier, S Avrillon, F Hug… - Journal of Applied …, 2024 - journals.physiology.org
The distribution of activation among muscles from the same anatomical group can be
affected by the mechanical constraints of the task, such as limb orientation. For example, the …

American Society of Biomechanics Journal of Biomechanics Award 2021: exploring the functional boundaries and metabolic consequences of triceps surae force …

CJ Funk, RL Krupenevich, GS Sawicki, JR Franz - Journal of Biomechanics, 2023 - Elsevier
The relationship between individual muscle dynamics and whole-body metabolic cost is not
well established. Here we use biofeedback to modulate triceps surae (TS) activity during …

Distinct Neural Drives along the Semitendinosus Muscle

C Sahinis, IG Amiridis, TM Kannas… - … and science in …, 2024 - pubmed.ncbi.nlm.nih.gov
Introduction Conflicting results have been reported on the functional role of the proximal and
distal compartments of the semitendinosus (ST) muscle. This study compared the discharge …

Ischemic preconditioning increases spinal excitability and voluntary activation during maximal plantar flexion contractions in men

R Cruz, AF Tramontin, AS Oliveira… - … Journal of Medicine …, 2024 - Wiley Online Library
The enigmatic benefits of acute limb ischemic preconditioning (IP) in enhancing muscle
force and exercise performance have intrigued researchers. This study sought to unravel the …

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

F Dernoncourt, S Avrillon, T Logtens, T Cattagni… - bioRxiv, 2024 - biorxiv.org
The level of flexibility in the neural control of motor units remains a topic of debate.
Understanding this flexibility would require the identification of the distribution of common …

The volitional control of individual motor units is constrained within low-dimensional neural manifolds by common inputs

J Rossato, S Avrillon, K Tucker, D Farina, F Hug - bioRxiv, 2024 - biorxiv.org
The implementation of low-dimensional movement control by the central nervous system
has been debated for decades. In this study, we investigated the dimensionality of the …