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Abstract
The study aimed to assess effect of a single bout of high-intensity circuit training (HICT) on myokines concentration: interleukin-6 and irisin, inteleukin-10, brain-derived neurotrophic factor (BDNF), heat shock proteins (HSP27, HSP70) and cognitive functions among women participated in HICT. It also attempted evaluating whether vitamin D could have modified the effect of HICT.Fourteen healthy, non-active women participating in the experiment were assigned to a young or middle-aged group. They performed a single session HICT using body weight as a resistance, based on the ACSM recommendations. Blood samples were taken before, one and 24h after training. Cognitive functions were assessed before and 1h after the HICT session. Simple statistics and effects of changes for dependent variables were determined using mixed linear modeling, and evaluated by means of magnitude-based inference (MBI).Following a single session of HICT the young group exhibited improved concentration and spatial memory, whereas in middle-aged women these functions were attenuated. A varied tendency was also observed in the levels of myokine IL-6 and cytokine IL-10. Vitamin D was covariate for changes in cognitive functions and myokines' levels after exercise. Its concentration modified the anti-inflammatory effect of HICT, expressed in decreasing HSP70.
Published Version
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