O'Connell also revealed today that he has signed a two-year extension to his contract that will keep him with Munster until the end of the 2013/14 season.
Munster trained at the University of Limerick on Tuesday and will complete theior preparation for the Benetton Treviso game on Thursday in Cork.
Meanwhile, Damien Varley, who also retired injured in Belfast, is in contention to feature in the matchday squad for the clash with the Italian outfit.
MUNSTER Squad (v Benetton Treviso) - Backs (12): Denis Hurley, Johne Murphy, Will Chambers, Danny Barnes, Keith Earls, Lifeimi Mafi, Simon Zebo, Ian Keatley, Ronan O'Gara, Duncan Williams, Conor Murray, Tomas O'Leary.
Forwards (18): Marcus Horan, Stephen Archer, John, Ryan, Wian du Preez, BJ Botha, Damien Varley, Denis Fogarty, Donncha Ryan, Paul O'Connell, Donncha O'Callaghan, Ian Nagle, Mick O'Driscoll, Peter O'Mahony, Niall Ronan, Billy Holland, David O'Callaghan, Paddy Butler, James Coughlan.