Relationships between the Second to Fourth Digit Ratio (2D:4D) and Game-Related Statistics in Semi-Professional Female Basketball Players

摘要

Digit ratio (2D:4D) is a negative correlate of sports performance, although this relationship may be weak in open-skill sports. This study aimed to quantify relationships between 2D:4D and game-related statistics in female basketball players, and to quantify differences in mean 2D:4Ds between starters and reserves. Sixty-four female basketball players were measured for height, mass, and 2D:4D, with game-related statistics collected end-season. Partial correlations (adjusted for age and BMI) quantified relationships between 2D:4Ds and game- related statistics. Unpaired t-tests quantified differences in mean 2D:4Ds between starters and reserves. This study found that 2D:4D was a substantial negative correlate of blocks, rebounds, and field-goal percentage; meaning, females with lower 2D:4Ds likely performed better in several aspects of basketball (an open-skill sport), especially defensively, irrespective of age and body size. Mean 2D:4D also differed by position in the starting-lineup, with starters displaying lower 2D:4Ds. These results likely reflect the organizational benefits of prenatal testosterone.