Ulster captain Iain Henderson has returned to training and is set for the vital United Rugby Championship game against Munster at Thomond Park on Friday. Other players like Sean Reffell, Robert Baloucoune, James Hume, and Eric O'Sullivan have also resumed training and will be monitored. Michael Lowry and Stewart Moore have recovered from injuries, while Tom O'Toole is available again. However, several players are still sidelined for the game. Ulster is striving for a playoff spot and a place in next season's Champions Cup.