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Related Concept Videos

The Effect of Aging on Tissues01:19

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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Skeletal Muscle Relaxants: Therapeutic Uses01:31

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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...
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Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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Disorders of the Skeletal Muscle01:28

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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
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Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
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Aging01:26

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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
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Related Experiment Video

Updated: Apr 10, 2026

Application of Chronic Stimulation to Study Contractile Activity-induced Rat Skeletal Muscle Phenotypic Adaptations
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Skeletal Muscle-Cardiac Muscle Aging: Shared Mechanisms and Multimodal Interventions.

Kriti Kalra1, Patrick Berchie2, Sahib Singh3

  • 1Department of Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia, USA.

JACC. Advances
|April 9, 2026
PubMed
Summary
This summary is machine-generated.

Muscle aging affects both skeletal and cardiac tissues, leading to functional decline in older adults. Interventions like exercise, protein intake, and new drugs can help preserve muscle health.

Keywords:
cardiovascular diseasesolder adultssarcopenia

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Area of Science:

  • Gerontology and Muscle Physiology
  • Investigates the molecular basis of age-related muscle decline and its impact on overall health.

Background:

  • Age-related muscle deterioration is a key factor in morbidity and mortality among older adults.
  • Shared molecular pathways like mitochondrial dysfunction, immunosenescence, oxidative stress, hormonal changes, and anabolic resistance contribute to sarcopenia and cardiac remodeling.

Purpose of the Study:

  • To review the interconnected molecular mechanisms of muscle aging.
  • To explore the relationship between skeletal and cardiac muscle aging.
  • To discuss interventions and future directions for preserving muscle mass and function.

Main Methods:

  • State-of-the-art literature review.
  • Analysis of molecular mechanisms of muscle aging.
  • Examination of the impact of chronic diseases on muscle degeneration.
  • Evaluation of evidence-based interventions.

Main Results:

  • Muscle aging involves interconnected pathways affecting both skeletal (sarcopenia) and cardiac muscle.
  • Chronic diseases exacerbate muscle aging through inflammation and metabolic dysregulation.
  • Multicomponent exercise, adequate protein intake, and pharmacological agents show efficacy in preserving muscle.

Conclusions:

  • Understanding muscle-heart crosstalk is crucial for addressing age-related physical decline.
  • Integrated care models and predictive biomarkers are needed.
  • Digital health technologies can support monitoring and intervention delivery.