In order to execute amazing tumbling passes and stick the perfect landing, gymnasts need proper training and a lot of practice. They also need to understand the science behind what they're doing on the mat and in the air. Readers are introduced to the areas of STEM-science, technology, engineering, and math-that help gymnasts perform at their best, including the ways engineers have created safer equipment and the ways technology is being used to reduce injury. Eye-catching fact boxes, detailed sidebars, and full-color photographs provide readers with an inside look at the science behind this popular sport.