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The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
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Published on: February 21, 2025

Evolution of sarcopenia research.

Ian Janssen1

  • 1School of Kinesiology and Health Studies, and Department of Community Health and Epidemiology, Queen's University, Kingston, ON K7L 3N6, Canada. ian.janssen@queensu.ca

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquee, Nutrition Et Metabolisme
|October 22, 2010
PubMed
Summary
This summary is machine-generated.

Sarcopenia, the age-related loss of skeletal muscle mass, and dynapenia, the loss of muscle strength, have distinct impacts. Understanding their independent and combined effects with obesity is crucial for health outcomes.

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Area of Science:

  • Gerontology
  • Muscle Physiology
  • Aging Research

Background:

  • Sarcopenia, defined as age-related skeletal muscle mass loss, was coined in 1989.
  • Research has evolved to explore its multifaceted impacts.
  • Recent research distinguishes sarcopenia from dynapenia (age-related muscle strength loss).

Purpose of the Study:

  • To provide an evolutionary overview of sarcopenia research since 1989.
  • To define sarcopenia operationally.
  • To compare the effects of sarcopenia, dynapenia, and their combination with obesity.

Main Methods:

  • Literature review and synthesis of research on sarcopenia and dynapenia.
  • Analysis of the impacts on physical function, chronic disease, and mortality.
  • Examination of sarcopenic-obesity and dynapenic-obesity.

Main Results:

  • Sarcopenia and dynapenia are distinct processes impacting health.
  • Both conditions independently and combined with obesity affect physical function, chronic disease risk, and mortality.
  • An operational definition for sarcopenia has been considered.

Conclusions:

  • Sarcopenia and dynapenia research has significantly advanced since 1989.
  • Distinguishing these conditions and their interplay with obesity is vital for clinical practice and public health.
  • Further research is needed to fully elucidate the combined effects on aging populations.