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Related Concept Videos

Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

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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...
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Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin01:26

Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin

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Directly acting muscle relaxants like dantrolene and botulinum toxin (BoNT) have distinct mechanisms and applications. Dantrolene, a hydantoin derivative, acts on the ryanodine receptor (RYR1) in skeletal muscle cells. RYR1 are calcium channels present at the sarcoplasmic reticulum membrane. In response to excitation, they release calcium ions from the sarcoplasmic reticulum to the cytosol. Calcium promotes actin-myosin-mediated contraction of muscles.
The binding of dantrolene to the RYR1...
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Skeletal Muscle Relaxants: Therapeutic Uses01:31

Skeletal Muscle Relaxants: Therapeutic Uses

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Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
1.1K
Classification of Skeletal Muscle Relaxants01:28

Classification of Skeletal Muscle Relaxants

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Skeletal muscle relaxants are a group of drugs that can reduce muscle stiffness and induce temporary paralysis to relieve pain. These agents can act centrally to reduce muscle tone or spasms in painful conditions such as multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), or spinal injuries; they are called antispasmodics or spasmolytics.
Peripherally acting skeletal muscle relaxants interfere with the neurotransmission at the neuromuscular end plate to induce paralysis during...
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Centrally Acting Muscle Relaxants: Therapeutic Uses01:24

Centrally Acting Muscle Relaxants: Therapeutic Uses

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Centrally acting muscle relaxants reduce muscle tone and tension by interfering with the postsynaptic reflexes in the central nervous system.
Centrally acting drugs are classified into spasmolytic and antispasmodic drugs. Spasmolytic drugs such as baclofen, diazepam, and tizanidine inhibit spinal motor neurons and decrease muscle tone. Spasmolytic drugs are administered for severe and chronic spasms due to multiple sclerosis, cerebral palsy, stroke, and spinal cord and muscle injuries. However,...
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Skeletal Muscle Relaxants: Adverse Effects01:21

Skeletal Muscle Relaxants: Adverse Effects

1.0K
Skeletal muscle relaxants are widely used for muscle paralysis and relieving pain following any muscle injury or stiffness. However, depending on the drug type, they can have adverse effects that range from mild to severe. Usually, nondepolarizing neuromuscular blockers have minimal side effects. For example, drugs like d-tubocurarine, cisatracurium, and rocuronium cause hypotension, whereas drugs like baclofen, when stopped abruptly, can lead to the recurrence of spastic conditions.
Unlike...
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Related Experiment Video

Updated: Mar 17, 2026

The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness
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The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness

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Muscle Strains: Prevention and Treatment.

J M Glick

    The Physician and Sportsmedicine
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    This summary is machine-generated.

    Muscle pain, from cramps to tears, requires accurate diagnosis and targeted treatment. This guide focuses on alleviating pain, spasm, inflammation, and edema to restore movement.

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    Area of Science:

    • Orthopedics
    • Sports Medicine
    • Physical Therapy

    Background:

    • Muscle pain is a common ailment with diverse etiologies.
    • Factors such as pain, spasm, inflammation, and edema can significantly limit physical function.

    Purpose of the Study:

    • To provide a comprehensive guide for the accurate diagnosis of muscle pain.
    • To outline effective treatment strategies for alleviating muscle pain and associated symptoms.

    Main Methods:

    • Review of current medical literature on muscle pain diagnosis and treatment.
    • Clinical guidelines for identifying causes of muscle pain, from minor cramps to severe tears.

    Main Results:

    • Accurate diagnosis is crucial for effective management of muscle pain.
    • Treatment should address underlying factors including pain, spasm, inflammation, and edema.

    Conclusions:

    • A systematic approach to diagnosis and treatment can significantly improve outcomes for patients experiencing muscle pain.
    • Restoring full range of motion by managing pain and inflammation is a key therapeutic goal.