No abstract

Prenatal androgen exposure has much importance in organizational questions in the human body. With it, the development of the human being is possible physically, behaviorally, and psychologically, in addition to allowing the detection of sports talents. To measure this exposure, the digit ratio (2D:4D) is the most used tool in academic papers. Using the length of the index finger and ring finger, this value can be translated indirectly in a simple way to understand. As the cardiovascular system is the main affected by fetal testosterone, sports which involve the physical endurance generally present a very significant relation with the marker digit ratio. Besides involving performance, the digit ratio can present relation with individual aggressiveness. Using a good quantity of studies already realized, it follows that digit ratio can really correlate its values with physical performance in a variety of sports, especially in predominantly aerobic modalities.