Cited by 343Mitochondrial Function and PathologyAdipose Tissue and MetabolismExercise and Physiological Responses

Exercise and mitochondrial health

Memme, Jonathan M., Erlich, Avigail T., Phukan, Geetika, Hood, David A.·2021·The Journal of Physiology

Abstract

Mitochondrial health is an important mediator of cellular function across a range of tissues, and as a result contributes to whole‐body vitality in health and disease. Our understanding of the regulation and function of these organelles is of great interest to scientists and clinicians across many disciplines within our healthcare system. Skeletal muscle is a useful model tissue for the study of mitochondrial adaptations because of its mass and contribution to whole body metabolism. The remarkable plasticity of mitochondria allows them to adjust their volume, structure and capacity under conditions such as exercise, which is useful or improving metabolic health in individuals with various diseases and/or advancing age. Mitochondria exist within muscle as a functional reticulum which is maintained by dynamic processes of biogenesis and fusion, and is balanced by opposing processes of fission and mitophagy. The sophisticated coordination of these events is incompletely understood, but is imperative for organelle function and essential for the maintenance of an interconnected organelle network that is finely tuned to the metabolic needs of the cell. Further elucidation of the mechanisms of mitochondrial turnover in muscle could offer potential therapeutic targets for the advancement of health and longevity among our ageing populations. As well, investigating exercise modalities that are both convenient and capable of inducing robust mitochondrial adaptations are useful in fostering more widespread global adherence. To this point, exercise remains the most potent behavioural therapeutic approach for the improvement of mitochondrial health, not only in muscle, but potentially also in other tissues. image

Integrity signals

Registry

Crossref · 10.1113/jp278853

Cites

146 of 146 references verified0 citation errors · 0 not checkable

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  • Aerobic exercise enhances mitochondrial quality.

    “It has been recently reported that aerobic exercise enhances mitochondrial quality [30].”
  • Exercise reactivates mitophagy, reduces accumulation of ROS, improves mitochondrial health, and delays the loss of muscle mass that accompanies various pathologies, including aging sarcopenia, heart failure, and neurogenic myopathy.

    “Moreover, exercise is the best non-pharmacological strategy to reactivate mitophagy, which reduces the accumulation of ROS and thus, improves mitochondrial health and delays the loss of muscle mass that accompanies various pathologies, including aging sarcopenia, heart failure and neurogenic myopathy [224, 238–240].”
  • Regular physical activity or exercise training enhances mitochondrial homeostasis in individuals with sarcopenia and regulates mitophagy, mitochondrial biogenesis, mitochondrial dynamics, and mitochondrial redox biology.

    “Engaging in regular physical activity or exercise training, which proves beneficial for enhancing mitochondrial homeostasis in individuals with sarcopenia, significantly regulates mitophagy, mitochondrial biogenesis, mitochondrial dynamics, and mitochondrial redox biology [9,10,11].”

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Authors
Memme, J. M., Erlich, A. T., Phukan, G., & Hood, D. A.
Affiliations
York University (CA)
Corresponding author
Hood, David A.
Venue
The Journal of Physiology
Publisher
Wiley
Published
2019-12-09
Volume
599
Issue
3
Pages
803-817
ISSN
  • 0022-3751 (ISSN-L)
  • 1469-7793
OpenAlex
W2985749257
Cited by
343
References
148
Citations by year
2026: 61 · 2025: 82 · 2024: 65 · 2023: 52 · 2022: 46 · 2021: 26 · 2020: 8 · 2016: 1 · 2015: 1 · 2013: 1
FWCI
1.76
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Physiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Natural Sciences and Engineering Research Council of Canada (38462)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
physical activity, mitochondrial health, skeletal muscle, mitochondrial biogenesis, mitochondrial fusion, mitochondrial fission, mitophagy, mitochondrial turnover, exercise adherence, aging, metabolic health, exercise modalities
MeSH terms
Organelle Biogenesis, Humans, Mitochondria, Mitochondria, Muscle, Exercise, Muscle, Skeletal, Mitophagy

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