Britt Hertz facilitates a head-to-head flexibility battle between professional gymnasts and contortionists.

In a sport that prizes the fearlessness and flexibility that come with youth, elite female gymnasts often were considered washed up at an age when most athletes are launching their careers. They’d ...

Rhythmic Gymnastics kicked off at the Paris Olympics this week, reminding everyone that the human body is capable of physics-defying flexibility and hand-eye coordination. Athletes compete ...