Pranoto, N.W. et al. 2025. Article RETRACTED due to manipulation by the authors El efecto del entrenamiento sobre la flexibilidad: un estudio de caso de deportistas y no deportistas: Article RETRACTED due to manipulation by the authors. Retos. 62, (Jan. 2025), 974–978. DOI:https://doi.org/10.47197/retos.v62.109740.