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Acute effects of two different combined exercise modalities on executive function and circulating neurotrophic
Yi-Hung Liao1, Toby Mündel2, Ying-Chu Chen3
1Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei City, Taiwan.
Purposes:
This study investigated the effects of two different combined exercise modalities on executive function in healthy adults and observed the associations of potential biomarkers (i.e., brain-derived neurotrophic factor, BDNF; human growth hormone, HGH; insulin-like growth factor-1, IGF-1; and cortisol) on cognitive performance.
Methods:
Twelve young healthy male adults were recruited and assigned to the following three experimental interventions in a randomized crossover manner: sitting control (SC), resistance exercise plus continuous aerobic exercise (RA) and resistance exercise plus intermittent aerobic exercise (RI). Stroop Color and Word Test (SCWT) and blood collection were conducted before and immediately after each intervention.
Results:
The results showed that both acute combined exercise trials significantly reduced SCWT-incongruent response time compared to the SC trial (RA: p = .015, RI: p = .014). The serum BDNF and HGH levels were significantly increased in both RA (BDNF: p < .0001, HGH: p = .004) and RI (BDNF: p = .013, HGH: p = .007) trials, and the serum IGF-1 level was significantly increased in the RI trial (p = .008). The changes in SCWT-incongruent response time were significantly associated with the changes in blood lactate (r = - 0.622, p < .0001) and RPE (r = - 0.364, p = .029) following the interventions.
Conclusion:
Our findings indicate the beneficial effects of two different combined exercise modalities on executive function in these young healthy males that could be related to an increase in brain energy supply and arousal status.
Irb Registration Number:
IRB-2021-011.
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