“…Externalizing and antisocial behaviours amongst youth are of pressing concern and considered a major public health problem (Krug, Mercy, Dahlberg, & Zwi, 2002). However, it has been suggested that motor and sport activities improve psychological (Fischetti, Latino, Cataldi, & Greco, 2019) and physical fitness (Fischetti & Greco, 2017;Fischetti, Vilardi, Cataldi, & Greco, 2018;, cognitive functions and, specifically, executive functions in youth (Diamond & Lee, 2011), as well as externalizing behaviors (Zhou et al, 2007). A novel intervention for the externalizing behaviors treatment is provided by martial arts and, in particular, by Karate.…”