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Related Concept Videos

Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's phenomenon, is a...
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...
Alterations in Muscle Tone lll01:11

Alterations in Muscle Tone lll

Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Gastrointestinal Motility Disorders01:20

Gastrointestinal Motility Disorders

Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...

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Related Experiment Video

Updated: May 24, 2026

Intramuscular Injections Along the Motor End Plates: A Minimally Invasive Approach to Shuttle Tracers Directly into Motor Neurons
10:57

Intramuscular Injections Along the Motor End Plates: A Minimally Invasive Approach to Shuttle Tracers Directly into Motor Neurons

Published on: July 13, 2015

Motor syndromes.

Francesco Corea1, Sara Micheli

  • 1Brain Injury Unit, San Giovanni Battista Hospital, Foligno, Italy. f.corea@asl3.umbria.it

Frontiers of Neurology and Neuroscience
|March 2, 2012
PubMed
Summary

Motor deficits are common signs of neurovascular events. Clinical assessment aids in diagnosis, treatment, and predicting outcomes for these neurological conditions.

Area of Science:

  • Neurology
  • Neuroscience
  • Clinical Medicine

Background:

  • Motor disturbances are primary indicators of potential neurovascular events.
  • Accurate clinical assessment is crucial for effective patient management.
  • Understanding these symptoms aids in diagnosis, treatment, and prognosis.

Purpose of the Study:

  • To detail the primary clinical features of motor deficits.
  • To discuss associated motor-related events like ataxia and movement disorders.
  • To emphasize the importance of clinical assessment in neurovascular cases.

Main Methods:

  • Review of clinical features associated with motor deficits.
  • Description of common motor-related neurological symptoms.
  • Analysis of diagnostic and prognostic implications.

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Assessing Primary Motor Cortex Excitability and Excitability Modulation by Pairing Transcranial Magnetic Stimulation with Electromyography
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Assessing Primary Motor Cortex Excitability and Excitability Modulation by Pairing Transcranial Magnetic Stimulation with Electromyography

Published on: October 7, 2025

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties
08:27

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties

Published on: February 19, 2020

Related Experiment Videos

Last Updated: May 24, 2026

Intramuscular Injections Along the Motor End Plates: A Minimally Invasive Approach to Shuttle Tracers Directly into Motor Neurons
10:57

Intramuscular Injections Along the Motor End Plates: A Minimally Invasive Approach to Shuttle Tracers Directly into Motor Neurons

Published on: July 13, 2015

Assessing Primary Motor Cortex Excitability and Excitability Modulation by Pairing Transcranial Magnetic Stimulation with Electromyography
12:13

Assessing Primary Motor Cortex Excitability and Excitability Modulation by Pairing Transcranial Magnetic Stimulation with Electromyography

Published on: October 7, 2025

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties
08:27

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties

Published on: February 19, 2020

Main Results:

  • Motor deficits, with or without other focal neurological signs, are frequent indicators of neurovascular events.
  • Clinical assessment of motor symptoms is vital for diagnosis and outcome prediction.
  • Specific motor disturbances, including ataxia and abnormal movements, are discussed.

Conclusions:

  • Early and accurate clinical assessment of motor deficits is essential for managing neurovascular events.
  • Recognizing diverse motor symptoms improves diagnostic accuracy and treatment planning.
  • This review highlights the significance of motor examination in neurological assessments.