Force steadiness: from motor units to voluntary actions

RM Enoka, D Farina - Physiology, 2021 - journals.physiology.org
Voluntary actions are controlled by the synaptic inputs that are shared by pools of spinal
motor neurons. The slow common oscillations in the discharge times of motor units due to …

Muscle strength and power in people with Parkinson disease: a systematic review and meta-analysis

M Gamborg, LG Hvid, C Thrue… - Journal of Neurologic …, 2023 - journals.lww.com
Background and Purpose: No studies have synthesized the literature regarding mechanical
muscle function (ie, strength, power, rate of force development [RFD]) in people with …

Muscle shape changes in Parkinson's disease impair function during rapid contractions

A Monte, R Magris, F Nardello, F Bombieri… - Acta …, 2023 - Wiley Online Library
Aim Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized,
among the others, by muscle weakness. PD patients reach lower values of peak torque …

Children with developmental coordination disorder have less variable motor unit firing rate characteristics across contractions compared to typically developing …

M Esselaar, JVV Parr, G Wood… - Frontiers in human …, 2023 - frontiersin.org
Introduction Understanding the nuances of neuromuscular control is crucial in unravelling
the complexities of developmental coordination disorder (DCD), which has been associated …

Why so slow? Models of parkinsonian bradykinesia

D Williams - Nature Reviews Neuroscience, 2024 - nature.com
Bradykinesia, or slowness of movement, is a defining feature of Parkinson disease (PD) and
a major contributor to the negative effects on quality of life associated with this disorder and …

The key role of physical activity against the neuromuscular deterioration in patients with Parkinson's disease

C Martignon, F Ruzzante, G Giuriato… - Acta …, 2021 - Wiley Online Library
Aim Decreased muscle strength has been frequently observed in individuals with
Parkinson's disease (PD). However, this condition is still poorly examined in physically …

Measuring the nonselective effects of motor inhibition using isometric force recordings

BO Rangel, G Novembre, JR Wessel - Behavior research methods, 2024 - Springer
Inhibition is a key cognitive control mechanism humans use to enable goal-directed
behavior. When rapidly exerted, inhibitory control has broad, nonselective motor effects …

Short term effects of contralateral tendon vibration on motor unit discharge rate variability and force steadiness in people with Parkinson's disease

C Kim, DJ Wile, SN Kraeutner, KA Larocque… - Frontiers in Aging …, 2024 - frontiersin.org
Background Vibration of one limb affects motor performance of the contralateral limb, and
this may have clinical implications for people with lateralized motor impairments through …

Association between knee extensor force steadiness and postural stability against mechanical perturbation in patients with Parkinson's disease

H Tajitsu, Y Fukumoto, T Asai, H Monjo, H Kubo… - Journal of …, 2022 - Elsevier
Objective Lower extremity force steadiness has been shown to decrease with aging and
neuromotor dysfunction and to be associated with physical function and fall. Although …

Force variability is a potential biomarker of motor impairment in hemispheric stroke survivors

F Shi, WZ Rymer, J Son - bioRxiv, 2024 - biorxiv.org
During voluntary isometric contractions of upper extremity muscles in individuals with
chronic stroke, the magnitude of force variability appears to increase consistently as force …