“…Several studies have considered the role of siblings across sport participation (i.e., participation, development, and performance), suggesting that siblings can have a meaningful influence on an athlete in both a positive and negative way (Côté, 1999 ; Davis and Meyer, 2008 ; Blazo et al, 2014 ; Trussell, 2014 ; Hopwood et al, 2015 ; Allbaugh et al, 2016 ; Nelson and Strachan, 2017 ; Osai and Whiteman, 2017 ; Taylor et al, 2017 , 2018 , 2021 ). Reflecting this polar influence, an initial retrospective study by Côté ( 1999 ) investigated the historical family dynamics of four 18-year old elite junior level athletes throughout their developmental years.…”