... Based on the positive impact of physical activity (Eime, Young, Harvey, Charity, & Payne, 2013), as well as the benefits of group membership in adolescence (Newman, Lohman, & Newman, 2007), participation in team sports may function as a protective factor in the development of PCS. Studies have shown that physical activity in youth populations imparts numerous physical and emotional benefits including improved mood, decreases in symptoms of depression, improved socialization, increased feelings of interconnectedness, a sense of wellbeing, and improvements in self-esteem (Boone & Leadbetter, 2006;Dunn, Madhukar, Kampert, Clark, & Chambliss, 2005;Eime et al., 2013;Findlay & Coplan, 2008;Janssen & LeBlanc, 2010;Pedersen & Siedman, 2004). Conversely, PCS has been shown to adversely affect many of these factors (Rose et al., 2015;Zuckerman et al., 2016). ...