“…The longest mean FBL, in the previous literature, was reported for either the second (Lieber et al, 1992;Sharma et al, 2009;Ward et al, 2006), third (An et al, 1981;Matsuzawa et al, 2021), or fourth digital belly (Brand et al, 1981;Cutts et al, 1991). However, in the current study, the third digital belly had the longest mean FBL, followed by the fourth, fifth, and second.…”