Napolitano, Salvatore. “Performance Improvement through Motor Imagery Study of the Case in Artistic Gymnastics”. Journal of Human Sport and Exercise 12, no. 2proc (August 29, 2017): S508-S513. Accessed April 25, 2024. https://www.jhse.ua.es/article/view/2017-v12-n2-proc-performance-improvement-through-motor-imagery-s.