Arsenal geared up for their all-important Europa League quarter-final against CSKA Moscow on Wednesday.
Manager Arsene Wenger took training as his side prepared for the home tie on Thursday night.
Goalkeeper Petr Cech, who was forced to miss Arsenal's 3-0 win over Stoke last Sunday, trained at the Gunners' training base.
Before the league victory at the Emirates Wenger confirmed Cech would miss the game but was hopeful his No 1 would be fit to face the Russian outfit.