Circadian rhythm: The hidden “puppet master” behind musculoskeletal disorders

Jun 17, 2026Journal of orthopaedic translation

How the Body’s Internal Clock May Influence Muscle and Bone Disorders

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Abstract

Circadian rhythm (CR) is linked to the physiology of the musculoskeletal system.

  • CR is regulated by the central biological clock in the hypothalamus and local clocks in peripheral tissues.
  • Disruptions in CR may contribute to the development of musculoskeletal disorders through various pathways.
  • Modern behaviors, such as traveling across time zones and irregular eating, can desynchronize CR.
  • The review highlights the mechanisms by which CR disruption affects bone, cartilage, tendons, and muscles.
  • Interventions discussed include resetting biological clocks and optimizing the timing of medication administration.

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