Epstein Secrets

ers et al. 1999). Digit ratio (2D:4D; the relative lengths of the second and fourth digits) is a negative correlate of prenatal testosterone (PT) (Manning et al. 2007). PT has organizing effects on many traits, including performance in sport. Low 2D:4D (high PT) is linked to endurance sports, but it i

arch Centre. Swansea University. UK Received 24 December 2012; revision accepted for publication 30 January 2013. Literature Cited Manning. J. T.. L. Morris,and N. Caswell. 2007. Endurance running and digit ratio (2D:4D): Implica- tions for fetal testosterone effects on running speed and vascular health.

ers et al. 1999). Digit ratio (2O:4O: the relative lengths of the second and fourth digits) is a negative correlate of prenatal testosterone (PT) (Manning et al. 2007). PT has organizing effects on many traits, including performance in sport. Low 2D:4D (high PT) is linked to endurance sports, but it i

rch Centre. Swansea University. UK Received 24 December 2012; revision accepted for publication 30 January• 2013. Literature Cited Manning. J. T.. L. Morris. and N. Caswell. 2007. Endurance miming and digit ratio (2D:4D): Implica- tions for fetal testosterone effects on running speed and vascular health.

resent day (Trivers et al, 1999). Digit ratio (2D:4D: the relative lengths of 2nd and 4th digits) is a negative correlate of prenatal testosterone (Manning et al, 2007). Prenatal testosterone (PT) has organising effects on many traits, and one such is performance in sport. Low 2D:4D (high PT) is linked

o Paulo, Brazil. Manning John, Applied Sports Technology Exercise and Medicine Research Centre, Swansea University, UK. References Manning, J.T., L. Morris, and Caswell, N, 2007. Endurance running and digit ratio (2D:4D): implications for fetal testosterone effects on running speed and vascular health.