@article{fronso_robazza_bortoli_bertollo_2017,  title={Performance Optimization in Sport: A Psychophysiological Approach},  volume={23},  ISSN={1980-6574},  url={https://doi.org/10.1590/S1980-6574201700040001},  DOI={10.1590/S1980-6574201700040001},  number={4},  journal={Motriz: Revista de Educação Física},  publisher={Universidade Estadual Paulista},  author={Fronso, Selenia di and Robazza, Claudio and Bortoli, Laura and Bertollo, Maurizio},  year={2017},  pages={e1017138} }