He was one of the developers in the early 1990s of IMPACT baseline testing , now one tool in making return - to - play decisions in the NFL and other sports at all levels .
Mark Lovell was the founding director of the sports concussion program at UPMC .
Mark Lovell was director of the developers in the early 1990s of IMPACT baseline testing , now one tool in making return - to - play decisions in the NFL and other sports at all levels .
Mark Lovell was the founding director of the sports concussion program at UPMC .