“…Most studies concern the benefits of promoting physical activity in relation to indicators of mental ill health such as anxiety, depression, mood and emotion, self-esteem, cognitive functioning, and psychological dysfunction (Biddle, Fox, Boutcher, & Faulkner, 2001;Janssen & LeBlanc, 2010). Positive indicators of well-being such as vitality, positive views of one's own health and life satisfaction, have been absent in studies of youth football until recently (Alvarez, Balaguer, Castillo, & Duda, 2012;Balaguer et al, 2012;Castillo, Duda, Álvarez, Mercé, & Balaguer, 2011).…”