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Related Concept Videos

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...
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...
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...
Cross-bridge Cycle01:26

Cross-bridge Cycle

As muscle contracts, the overlap between the thin and thick filaments increases, decreasing the length of the sarcomere—the contractile unit of the muscle—using energy in the form of ATP. At the molecular level, this is a cyclic, multistep process that involves binding and hydrolysis of ATP, and movement of actin by myosin.
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
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...

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Related Experiment Video

Updated: May 11, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Serjeant Musgrave's disease.

G E Langley

    Medical Humanities
    |May 15, 2013
    PubMed
    Summary

    This analysis explores Serjeant Musgrave's mental state and group dynamics, examining the disruptive effects of war and violence on soldiers and civilians. The play contrasts wartime trauma with industrial unrest.

    Area of Science:

    • Medical Humanities
    • Arts and Medicine
    • War Studies

    Background:

    • John Arden's play "Serjeant Musgrave's Dance" serves as a literary lens.
    • The play depicts soldiers returning from an unspecified 19th-century conflict.
    • It explores themes of war's impact on individuals and society.

    Purpose of the Study:

    • To analyze the psychological state of Serjeant Musgrave.
    • To investigate the group dynamics within the soldiers' band.
    • To understand the disruptive effects of war and violence.

    Main Methods:

    • Literary analysis of John Arden's play.
    • Examination of character psychology and interpersonal dynamics.
    • Contextualization of the play's themes within historical and social settings.

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    A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice

    Published on: June 14, 2024

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    Last Updated: May 11, 2026

    Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
    09:30

    Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

    Published on: December 18, 2016

    A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice
    04:01

    A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice

    Published on: June 14, 2024

    Main Results:

    • Serjeant Musgrave experiences a "disease" stemming from his wartime experiences.
    • The play powerfully illustrates the psychological toll of war on soldiers, families, and civilians.
    • A contrast is drawn between the trauma of war and local industrial unrest.

    Conclusions:

    • The arts offer valuable insights into the human condition, relevant to medical professionals.
    • The play provides a commentary on the enduring effects of violence and conflict.
    • Understanding soldiers' mental states and group dynamics is crucial in post-conflict scenarios.