“In the youth leagues in particular, when there may not be doctors or athletic trainers on the sidelines when a kid gets hit, this enables parents with proper training to participate in the preliminary assessment of concussions,” said study author Dr. Steven Galetta, a researcher at New York University Langone Concussion Center. “It’s so affordable and easy to administer that any coach or parent could use it to determine when an injured child can return to the game and when they need to sit out.”