motor unit
Motor Unit Number Estimation in Normal and Parkinsonism Model of Medial Gastrocnemius Muscle in Rats
... the motor unit potentials (MUPs) were calculated for the estimated MUs ...large motor neurons with Lewy bodies and neurofibrillary ...large motor neurons with Lewy bodies contribute to the ...
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Motor unit recruitment patterns 1: responses to changes in locomotor velocity and incline
... of motor unit recruitment have been ...active motor units within the vicinity of the detecting ...of motor unit differ in shape and conduction velocity (Albuquerque and Thesleff, 1968; ...
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Predicting wrist kinematics from motor unit discharge timings for the control of active prostheses
... the motor units that were active during tasks of more than one DoF, the waveforms of the motor unit ac- tion potentials were compared by ...same motor unit if their cross-correlation ...
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Maximal motor unit discharge rates of the medial and lateral gastrocnemeii of young males
... Although it has been previously reported that there is no difference in maximal MUDR with changes in muscle length, these reports were from the lateral head of the triceps brachii (26) and the TA (7), both mono-articular ...
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Time and frequency domain methods for quantifying common modulation of motor unit firing patterns
... to motor units using fre- quency domain ...between motor unit firings in the 1–12 Hz and 15–30 Hz frequency ranges ...bivariate motor system measurements and a number of works have used this ...
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Task dependent activity of motor unit populations in feline ankle extensor muscles
... of motor units with different properties to unconstrained motor ...faster motor unit ...faster motor unit ...muscles. Motor unit populations within and across the ...
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Motor unit recruitment patterns 2: the influence of myoelectric intensity and muscle fascicle strain rate
... of motor unit recruitment and de-recruitment, represented by the rise and fall of myoelectric activity (Hodson-Tole and Wakeling, ...that motor unit recruitment during these two phases is ...
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Variations in motor unit recruitment patterns occur within and between muscles in the running rat (Rattus norvegicus)
... of motor unit recruitment can be ...the motor unit recruitment patterns within the active muscles will vary to facilitate the changes in limb load, joint angle and force production required ...
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Evaluating a motor unit potential train using cluster validation methods
... of motor unit potential trains (MUPTs) obtained by decomposing a needle-detected electromyographic (EMG) signal is a crucial step in using these trains for quantitative EMG ...its motor unit ...
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Persistent West Nile Virus Associated with a Neurological Sequela in Hamsters Identified by Motor Unit Number Estimation
... One-hundred-fold gain was used to amplify the biopotential energy. To iden- tify the incremental quantum steps from the threshold to the maximal amplitude of the M-wave depolarization and polarization voltages, the ...
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Magnesium administration provokes motor unit survival, after sciatic nerve injury in neonatal rats
... Magnesium administration by other workers [31] has been shown to cause only a slight improvement in motoneuron survival after nerve crush at birth. However, the same authors found that daily in vivo administration of ...
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The effects of notch filtering on electrically evoked myoelectric signals and associated motor unit index estimates
... or motor unit loss in paretic muscles of stroke survivors, using maximum M wave recording and MUNIX ...of motor units if the average motor unit size remained unchanged after stroke), ...
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The relationship between ciliary neurotrophic factor (CNTF) genotype and motor unit physiology: preliminary studies
... Significant interactions were observed between CNTF and force, which suggested that at both higher and lower forces levels motor unit properties differed by genotype, with G/A using larger units at lower ...
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Motor unit potential morphology differences in individuals with non-specific arm pain and lateral epicondylitis
... All the detected MUP size-related parameters revealed that the NSAP group had significantly smaller MUPs than the control and LE subjects. Smaller MUPs are often associ- ated with myopathic conditions and may be ...
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Motor Unit Firing in the Human Anconeus During High Intensity Eccentric Contractions of Elbow Extensors
... eccentric motor control at high contraction intensities, using the anconeus to complement past work exploring motor unit discharge properties under concentric conditions (Cowling et ...eccentric ...
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Decreased Peak Muscle Power is Associated with Motor Unit Loss in the Lower Limb of Older Adults
... MU (usually a type I) can sprout a collateral peripheral axon to reinnervate and regain innervation of some of these orphaned muscle fibers [9]. However, there is a limited capacity of collateral reinnervation, and ...
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An overview of motor unit number index reproducibility in amyotrophic lateral sclerosis
... and motor unit size index (MUSIX) (Figure ...case motor unit count (ICMUC), which is the motor unit number in a theoretical model supposing that all motor unit ...
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Behaviour of motor unit action potential rate, estimated from surface EMG, as a measure of muscle activation level
... by motor control aspects, but also by peripheral properties of the muscle and recording ...assess motor control separately, the number of motor unit action potentials (MUAPs) per second, or ...
13
Persistence of motor unit and muscle fiber types in the presence of inactivity
... the motor units, are long standing (McDonagh et ...to motor unit types, ...of motor units in a muscle? Thirdly, does a severe perturbation in the activation of motor units, a function ...
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Multiple motor unit muscle models for the design of FES systems
... 142 Referring to the multiple motor-unit model with force enhancement & depression sub-model (Figure 5.10), when the muscle is shortening (between 1 and 3 seconds) 50% of the elastic racks are engaged ...
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