Objective This study inspects difference of resting state functional connectivity (RSFC) of motor cortex between athletes and ordinary college students and the test‐retest reliability of RSFC. Methods Twenty high fitness level college students (high fitness group) and 20 ordinary college students (control group) were recruited. The motor cortical blood oxygen signals in resting states were monitored by functional near infrared spectroscopy (fNIRS). RSFCs of brain signals were preprocessed and calculated by FC‐NIRS software. RSFC results of test‐retest reliability were evaluated by intra‐class correlation coefficient (ICC). Results Total RSFC (HbO signal) was significantly different between high fitness group (0.62 ± 0.04) and low fitness group (0.81 ± 0.04) (p < .05). Significant differences were found between the groups (HbO signal) in 50 edges among the 190 edges of motor cortex (14 edges after FDR corrected). At three hemoglobin concentrations, mean of group‐level ICC (C, 1) for total RSFC in two groups was 0.40 ± 0.10, whereas the mean of group‐level ICC (C, k) was 0.57 ± 0.11, depicting “fair” reliability. The mean of group‐level ICC (C, 1) of 190 “edges” was 0.88 ± 0.06, whereas mean of ICC (C, k) was 0.94 ± 0.03, exhibiting “excellent” reliability. Conclusion Fitness level is the factor causing specific changes in RSFC strength of motor cortex that can be utilized as biomarker for evaluating the fitness level.
Introduction: Some experimental research has proved that long-term basketball exercises can effectively improve physical fitness, promote growth and improve motor functions. However, studies exploring the specific effects of this sport on cardiac and cerebral vascularization are still scarce. Objective: We aimed to study, through experimental analysis, if the activities derived from basketball sport can have some influence on cardiac and cerebral vascularization. Methods: Twelve students with no family history of genetic diseases and in good health, who regularly practice amateur basketball, were followed for 8 weeks. Weight, height, body mass index, body fat rate, maximum oxygen consumption, hemoglobin, and indicators of lipid metabolism were analyzed. Results: After long-term basketball exercises, the body fat rate of these college students decreased significantly, and total serum cholesterol and low-density lipoprotein also show significant differences compared with the control group. Conclusion: Through the processing and analysis of the experimental data, it can be concluded that basketball can effectively reduce the human body fat rate, maintain a healthy body shape, and indirectly reduce the risk of cardiovascular and cerebrovascular diseases. Level of evidence II; Therapeutic studies - investigation of treatment results.
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