Acute and chronic effects of strength training on plasma levels of adipokines in man.
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2023
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Resumo
Adipose tissue is specialized cells that produce and release
adipokines. Exercise may modulate adipokine production in
adipocytes. The aim of this longitudinal study was to evaluate
the acute and chronic effects of strength training (ST) on plas-
ma levels of adiponectin, leptin, and resistin. Twelve untrained
young male participants (23.42 ± 2.67 years) were selected.
The training protocol consisted of 3 exercises, with 3 sets of
65% of 1RM (one-repetition maximum) with pause of 90 s be-
tween sets with duration of 5 s/repetition (2 s conc/3 s ecc), 3
times a week for 10 weeks. Blood was collected at four time
points: before and after the first ST session and before and
after the last ST session. The comparisons between adipokine
levels before and after the same training session showed acute
changes, while the comparisons between levels before or after
the first session versus before or after the last session revealed
chronic alterations. ST increased adiponectin levels after the
first exercise session in comparison to levels before this session
[50 952 (46 568–51 894) pg/mL vs. 52 981 (49 901–54 467)
pg/mL, p = 0.019]. Similar differences were observed for resis-
tin levels, which were higher after the last session compared to
before [4 214.4 ( ± 829) pg/mL vs. pre-S30 2 251.3 ( ± 462.2)
pg/mL, p = 0.0008] and in the comparison between after the
last and after the first ST sessions [4 214.4 ( ± 829.0) pg/mL vs.
1 563.7 ( ± 284.8) pg/mL, p = 0.004]. Leptin levels acutely
changed in the last training session. ST produced acute and
chronic changes in plasma adipokines.
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Physical exercise, Adipose tissue, Adiponectin, Leptin, Resistin
Citação
BARROSO, L. S. S. et al. Acute and chronic effects of strength training on plasma levels of adipokines in man. International Journal of Sports Medicine, v. 1, 2023. Disponível em: <https://www.thieme-connect.de/products/ejournals/abstract/10.1055/a-2079-1607>. Acesso em: 01 ago. 2023.