A new ultrasound technology developed by Å·ÃÀ¿Ú±¬ÊÓƵ researchers and used by Å·ÃÀ¿Ú±¬ÊÓƵ Boulder football, track and field, and basketball players, enables athletes to painlessly measure how nourished or depleted their muscles are, real-time, in 15 seconds.