Browsing by Subject "Sport training"

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    Effect of repeated use of social media before training sessions on countermovement jumping and internal training load in high-level volleyball players
    (Universidad de Murcia. Servicio de publicaciones, 2024) Freitas Junior, Carlos; Berriel, Guilherme; Faro, Heloiana; Peyré Tartaruga, Leonardo; Fortes, Leonardo
    To verify the effect of repeated use of social media on smartphones immediately before countermovement jump (CMJ) and internal training load (ITL) training sessions in young male high-level volleyball athletes. 18 young international-level athletes participated in a randomized crossover study for a total of two weeks. The athletes are from the Brazilian under-19 team and were randomized into two experimental conditions, social media (SMA) and control (CON). SMA used social media for 30 minutes before training sessions for a week, while CON watched emotionally neutral videos. During this period, the ITL was analyzed using the session rating of perceived exertion (s-RPE) method. The CMJ was analyzed before, between, and after the two-week training. In the second week, the athletes reversed the experimental conditions. The CMJ was decreased after the training week (p =0.04), but with no difference between the experimental conditions (p = 0.51). The ITL was not different between the experimental conditions after the analyzed training week (p = 0.95). Repeated use of social media on smartphones immediately before training sessions for a week was not enough to harm the CMJ, nor did it increase the ITL in young international-level volleyball athletes.