He also revealed that manager Arsene Wenger had assured him that moving from his normal position was in the best interests of the squad as a whole - which the Spanish midfielder says is a big change, but one he is prepared to undergo.
The 30-year-old acknowledged that during his side's 1-1 draw with Manchester City it was important to have a creative yet physical presence in the centre of the pitch.
"It is a big transition but it is more a mental thing. The boss is convinced that is the best thing for the team and I am too, so let’s do it," he told the club's official website.
|WENGER'S DEFENSIVE HEADACHE
|12/1||Arsenal are 12/1 with Bet365 to stumble to a 1-1 draw with Coventry in the League Cup
"If it works, and in games like that where you probably think you need a more physical presence but you still create and are able to match the physical ability and the way they play, it reinforces your belief. I am totally happy that is a good way to play."
With the result against City, Arsenal maintained their unbeaten start to the new season - which Arteta said was down to the attitude of all the players - arguing, in fact, that his team were the better side at the Etihad Stadium.
Despite praising the Gunners' mentality, he also warned that they need to be more consistent in the future if they want to challenge for top honours.
"The attitude has been spot on and we know it can only be like this," he added.
"It cannot be any other way for a game or 20 minutes in a game when you relax, because you are going to pay for it and against big teams like this, even more.
"For us, it’s good because we believe that we are as good as them, at least. I think on Sunday we were better than them. If we are, then all we need is consistency."