Association of self-efficacy and mental toughness with sport performance in Brazilian futsal athletes 51 View more insights in Professional - Sports Science View more figures from Maringá State University View the page of Paulo Vitor Auto Aizava Read the Study · Paulo Vitor Auto Aizava discusses the impact of sports self-efficacy & mental toughness on Brazilian futsal athletes’ performance. Image courtesy of interviewee. December 8, 2023