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Related Concept Videos

Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective response...
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
Fatigue01:21

Fatigue

Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
Myasthenia Gravis: Overview and Treatment01:20

Myasthenia Gravis: Overview and Treatment

Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which leads...
Myasthenia Gravis: Diagnostic Tests01:15

Myasthenia Gravis: Diagnostic Tests

Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...

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Related Experiment Video

Updated: May 19, 2026

Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer
07:22

Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer

Published on: February 20, 2020

Fatigue in multiple sclerosis - a brief review.

Isuru Induruwa1, Cris S Constantinescu, Bruno Gran

  • 1Division of Clinical Neurology, University of Nottingham, United Kingdom.

Journal of the Neurological Sciences
|September 1, 2012
PubMed
Summary

Multiple sclerosis (MS) fatigue is a unique and disabling symptom impacting mood and sleep. This review explores its causes, links to depression, and multidisciplinary management strategies.

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The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse
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The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse

Published on: May 31, 2016

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Last Updated: May 19, 2026

Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer
07:22

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The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse
09:25

The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse

Published on: May 31, 2016

Area of Science:

  • Neurology
  • Clinical Psychology

Background:

  • Fatigue is the most prevalent and debilitating symptom in multiple sclerosis (MS).
  • MS-related fatigue is distinct from fatigue experienced in other chronic illnesses.
  • This symptom significantly impacts mood, sleep, and overall quality of life for patients.

Purpose of the Study:

  • To review current theories on the pathophysiology of fatigue in MS.
  • To examine the relationship between MS fatigue, sleep disturbances, and depression.
  • To outline pharmacological and non-pharmacological treatment approaches for MS fatigue.

Main Methods:

  • Literature review of recent research on MS fatigue.
  • Analysis of studies investigating the pathophysiology of MS fatigue.
  • Synthesis of evidence on treatment strategies for MS fatigue.

Main Results:

  • Recent literature offers insights into the complex pathophysiology of MS fatigue.
  • Strong associations exist between MS fatigue, disrupted sleep patterns, and depressive symptoms.
  • Both pharmacological and non-pharmacological interventions show potential for managing MS fatigue.

Conclusions:

  • A multidisciplinary approach is recommended for managing MS fatigue.
  • Individualized and patient-centered management strategies are crucial.
  • Future research should continue to explore effective treatments for MS fatigue.