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Thiago Mattos Frota de Souza1, Cleiton Augusto Libardi2, Cláudia Regina Cavaglieri1

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Concurrent training with blood flow restriction (CTBFR) may increase inflammation markers like C-reactive protein in older adults. Standard concurrent training (CT) showed anti-inflammatory effects, highlighting different physiological responses to exercise protocols in aging populations.

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Area of Science:

  • Exercise Physiology
  • Gerontology
  • Immunology

Background:

  • Aging is linked to reduced cardiorespiratory fitness, muscle mass, and chronic low-grade inflammation.
  • Concurrent training with blood flow restriction (CTBFR) offers a low-mechanical stress method to enhance functional capacity in older adults.

Purpose of the Study:

  • To compare the inflammatory effects of two distinct concurrent training protocols in older individuals.
  • To analyze changes in inflammatory markers following 12 weeks of concurrent training (CT) versus CT with blood flow restriction (CTBFR).

Main Methods:

  • Twenty-two healthy older adults participated in a 12-week intervention.
  • Participants were divided into two groups: concurrent training (CT) and concurrent training with blood flow restriction (CTBFR).
  • Serum concentrations of C-reactive protein and interleukin-6 were measured pre- and post-intervention.

Main Results:

  • The CTBFR group exhibited a significant increase in C-reactive protein levels (p=0.049).
  • Both groups showed a time effect for interleukin-6, indicating changes over the 12-week period (p=0.016).
  • CTBFR demonstrated a pro-inflammatory profile, while CT displayed an anti-inflammatory response.

Conclusions:

  • CTBFR intervention in older adults resulted in a pro-inflammatory state.
  • Standard concurrent training (CT) appears to have anti-inflammatory benefits for the elderly.
  • Different concurrent training modalities elicit distinct inflammatory responses in aging individuals.