To explore the effects of single-session transcranial direct current stimulation (tDCS) on aerobic performance and explosive force in the one-arm pull-down of long-term trained rock climbers. Twenty athletes (twelve male and eight female) from the Rock Climbing Team of Hunan province (Hunan, China) were selected for a randomized double-blind crossover study. After baseline tests, All subjects visited laboratories twice to randomly receive either sham or a-tDCS at a current intensity of 2 mA for 20 min. The two visits were more than 72 h apart. Immediately after each stimulation, subjects completed a 9-min 3-level-load aerobic test and a one-arm pull-down test. Differences in the heart rate immediately after 9-min incremental aerobic exercises revealed no statistical significance between each group ( > 0.05). However, the decrease in heart rate per unit time after exercise after real stimulation was significantly better than before stimulation ( < 0.05), and no statistical significance was observed between after sham stimulation and before stimulation ( > 0.05). One-arm pull-down explosive force on both sides after real stimulation was improved by a-tDCS compared with before stimulation, but with no significant difference ( > 0.05). Real stimulation was significantly improved, compared with sham stimulation on the right side ( < 0.05). Single-session tDCS could potentially benefit sports performance in professional athletes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10117960PMC
http://dx.doi.org/10.3389/fphys.2023.1153900DOI Listing

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