“If you only did one stretch before your workout, this would be it,” says Joel Sanders, Exos performance specialist. “It hits the ‘checklist’ for the three key areas that we aim to mobilize—ankles, hips, and thoracic spine.” The point, says Sanders, is to “lengthen and strengthen simultaneously,” through a series of dynamic exercises, none better than this one, which explains how it got its slightly ridiculous name.