Tuesday's health and safety news from the world of football: how the Army Reserve Operational Response Command's Emergency Preparedne s Liaison Officer program a sisted the NFL with security at the and the in Glendale, Arizona. on the GPS training devices that have been introduced to the Vanderbilt Kaleb Wesson Jersey football team. The Catapult devices are similar to those used by the and the and measure 400 variables per player, including speed, acceleration, change of direction, distance, impact taken from hits. on the efforts of one area school to prevent concu sions. it has launched Concu sion, a journal that publishes original research, reviews and commentaries addre sing the a se sment, management and short and long term implications of traumatic brain injuries. at the push to expand the state's concu sion laws to youth sports below the high school level.-- Bill Bradley, contributing editor Rick Barry Jersey