Sex differences in motor unit behaviour: A review

T Lulic-Kuryllo, JG Inglis - Journal of Electromyography and Kinesiology, 2022 - Elsevier
The lack of systematic investigations on sex-related differences in motor unit behaviour
poses a challenge in understanding and optimizing health and performance in males and …

[HTML][HTML] The effect of resistance training on motor unit firing properties: a systematic review and meta-analysis

E Elgueta-Cancino, E Evans, E Martinez-Valdes… - Frontiers in …, 2022 - frontiersin.org
While neural changes are thought to be responsible for early increases in strength following
resistance training (RT), the exact changes in motor unit (MU) firing properties remain …

Estimates of persistent inward currents are reduced in upper limb motor units of older adults

AS Hassan, ME Fajardo, M Cummings… - The Journal of …, 2021 - Wiley Online Library
Ageing is a natural process causing alterations in the neuromuscular system, which
contributes to reduced quality of life. Motor unit (MU) contributes to weakness, but the …

Estimates of persistent inward currents in lower limb motoneurons are larger in females than in males

ST Jenz, JA Beauchamp, MM Gomes… - Journal of …, 2023 - journals.physiology.org
Noninvasive recordings of motor unit (MU) spike trains help us understand how the nervous
system controls movement and how it adapts to various physiological conditions. The …

Effects of reciprocal inhibition and whole‐body relaxation on persistent inward currents estimated by two different methods

RNO Mesquita, JL Taylor, GS Trajano… - The Journal of …, 2022 - Wiley Online Library
Persistent inward currents (PICs) are crucial for initiation, acceleration, and maintenance of
motoneuron firing. As PICs are highly sensitive to synaptic inhibition and facilitated by …

A geometric approach to quantifying the neuromodulatory effects of persistent inward currents on individual motor unit discharge patterns

JA Beauchamp, GEP Pearcey… - Journal of neural …, 2023 - iopscience.iop.org
Objective. All motor commands flow through motoneurons, which entrain control of their
innervated muscle fibers, forming a motor unit (MU). Owing to the high fidelity of action …

[HTML][HTML] Estimation of self-sustained activity produced by persistent inward currents using firing rate profiles of multiple motor units in humans

B Afsharipour, N Manzur… - Journal of …, 2020 - journals.physiology.org
Persistent inward calcium and sodium currents (IP) activated during motoneuron recruitment
help synaptic inputs maintain self-sustained firing until derecruitment. Here, we estimate the …

Divergent response of low‐ versus high‐threshold motor units to experimental muscle pain

E Martinez‐Valdes, F Negro, D Farina… - The Journal of …, 2020 - Wiley Online Library
Key points The neural strategies behind the control of force during muscle pain are not well
understood as previous research has been limited in assessing pain responses only during …

Neural control of matched motor units during muscle shortening and lengthening at increasing velocities

AS Oliveira, F Negro - Journal of applied physiology, 2021 - journals.physiology.org
Modulation of movement velocity is necessary during daily life tasks, work, and sports
activities. However, assessing motor unit behavior during muscle shortening and …

A computational approach for generating continuous estimates of motor unit discharge rates and visualizing population discharge characteristics

JA Beauchamp, OU Khurram… - Journal of Neural …, 2022 - iopscience.iop.org
Objective. Successive improvements in high density surface electromyography and
decomposition techniques have facilitated an increasing yield in decomposed motor unit …