“…Multiple sclerosis significantly hinders everyday functioning, fulfilling family, social, and professional roles, disturbs the emotional well-being of patients, significantly affects the quality of life and triggers a complex adaptation process (Carvalho et al, 2014;Ghafari, Fallahi-Khoshknab, Nourozi, & Mohammadi, 2015;Hyarat, Subih, Rayan, Salami, & Harb, 2019;Dymecka & Gerymski, 2019;Irvine, Davidson, Hoy, & Lowe-Strong, 2009;McReynolds, Koch, & Rumrill, 1999;Vukusic & Marignier, 2015), which is why self-efficacy is an important resource for this group of patients. It affects how they adapt to and manage the disease (Calandri, Graziano, Borghi, & Bonino, 2019;Eccles & Simpson, 2011;Motl & Snook, 2008;Schmitt, Goverover, Deluca, & Chiaravalloti, 2014;Wassem, 1992), physical activity and rehabilitation (Casey et al, 2018;Ferrier, Dunlop, & Blanchard, 2010;Morris, McAuley, & Motl, 2008;Motl & Snook, 2008;Sikes, Cederberg, Baird, Sandroff, & Motl, 2019) and the well-being and quality of life Guicciardi, Carta, Pau, & Cocco, 2019;Mitchell, Benito-León, Morales González, & Rivera-Navarro, 2005;Motl, McAuley, Wynn, Sandroff, & Suh, 2013;Motl & Snook, 2008).…”