What is the driving force of sexual selection?

Sexual selection is the result of competition between individuals of the same sex (intrasexual competition) and of mate choice (intersexual competition) and is a major force driving evolution of reproductive traits often to extremes, for example, the long tail of the peacock.

Explanation:

velocity and height

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.