عنوان مقاله [English]
The aim of the present study was to compare the effect of two exercise patterns (simple and complex) on serum levels of brain-derived neurotrophic factor (BDNF) and cognitive function in adolescent girls. 9 subjects (mean ±SD, age: 17.3±0.9 years; BMI: 22.4±3.02 kg/m2) with a one-week interval performed complex (aerobic) and simple (cycling) exercises with moderate intensity (50-60% of VO2max). The exercises were performed in 3 ten-minute sets with 2-3 minutes of rest intervals for 30 minutes. Before and after the exercise, blood samples were collected to measure BDNF. Digits - symbols and Stroop colors-word cognitive tests were completed to assess the cognitive function. Data were analyzed with paired sample t test (P<0.05). The results showed no significant difference in level of BDNF between two types of exercise patterns (P=0.723). Also, analysis of Stroop color-word cognitive test showed that complex exercise pattern significantly improved cognitive function in comparison with simple exercise (P<0.05). It generally seems that exercise pattern (simple and complex) in adolescent girls (similar to those employed in this study) had not significant effect on BDNF response. However, complex exercise at least has more suitable significant effects on some aspects of cognitive function and can improve this function.
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