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Related Concept Videos

Motor Units00:46

Motor Units

62.0K
A motor unit consists of two main components: a single efferent motor neuron (i.e., a neuron that carries impulses away from the central nervous system) and all of the muscle fibers it innervates. The motor neuron may innervate multiple muscle fibers, which are single cells, but only one motor neuron innervates a single muscle fiber.
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Motor Units01:13

Motor Units

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The motor unit is a fundamental component of the neuromuscular system and plays a crucial role in coordinating muscle contractions. It consists of a somatic motor neuron, which connects and controls multiple skeletal muscle fibers, forming a single functional segment. The axon of the motor neuron branches out and establishes synaptic connections known as neuromuscular junctions with individual muscle fibers within the motor unit.
Motor units come in different sizes, with smaller units...
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Improving Translational Accuracy02:07

Improving Translational Accuracy

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Improving Translational Accuracy02:07

Improving Translational Accuracy

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Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
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Motor Unit Stimulation01:20

Motor Unit Stimulation

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When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
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Hierarchy of Motor Control01:18

Hierarchy of Motor Control

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The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
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Related Experiment Video

Updated: Feb 14, 2026

Biophysical Characterization of Flagellar Motor Functions
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Biophysical Characterization of Flagellar Motor Functions

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How Can a Ketogenic Diet Improve Motor Function?

Charlotte Veyrat-Durebex1,2, Pascal Reynier1,2, Vincent Procaccio1,2

  • 1Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.

Frontiers in Molecular Neuroscience
|February 14, 2018
PubMed
Summary
This summary is machine-generated.

The ketogenic diet (KD), high in fat and low in carbs, offers neuroprotection and improves motor function by altering brain energy metabolism and neuronal activity. This review explores KD

Keywords:
ketogenic dietketone bodiesmotor functionmotor neuronneuromuscular diseasesβ-hydroxybutyrate

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Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI
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Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
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Area of Science:

  • Neuroscience
  • Metabolic Disorders
  • Dietary Science

Background:

  • The ketogenic diet (KD) is a high-fat, low-carbohydrate diet that induces ketosis, providing an alternative energy source for the brain.
  • KDs influence neuro-metabolism, bioenergetics, and exhibit neuroprotective effects through mechanisms like modulating inflammation and oxidative stress.
  • Historically used for epilepsy, KD is being investigated for broader neurological applications, including motor dysfunction.

Purpose of the Study:

  • To explore the mechanisms by which ketogenic diets (KD) may improve motor function.
  • To review the consequences of KD exposure on tissues critical for motor control.
  • To discuss the relevance of KD in preclinical and clinical studies for motor dysfunction.

Main Methods:

  • Literature review of studies on ketogenic diets and neurological diseases.
  • Analysis of KD's effects on neuro-metabolism, bioenergetics, and cellular mechanisms.
  • Examination of preclinical and clinical trial data related to KD and motor function.

Main Results:

  • KD enhances oxidative mitochondrial metabolism and provides an alternative energy supply to the brain via ketone bodies.
  • KD demonstrates neuroprotective effects by modulating neuronal excitability, inflammation, and reactive oxygen species.
  • Studies suggest KD can improve motor function in models of Alzheimer's, Parkinson's, ALS, and spinal cord injury, potentially by altering synaptic function.

Conclusions:

  • Ketogenic diets show promise for improving motor function in various neurological diseases.
  • Further research is needed to fully elucidate the molecular mechanisms underlying KD's impact on motor control.
  • KD's therapeutic potential for neuromuscular effects warrants continued investigation in clinical settings.