Arteta twisted his ankle when he went for the cross after his freekick. Arteta couldn't run after that cross.

Update on Arteta Injury:
1- Arteta's season looks over.
2- Wenger fears end to Arteta's season after injury against Wigan on Arteta's injury… It is an ankle problem. It looks quite a serious one. We have to scan it tomorrow

Watch Mikel Arteta Injury vs Wigan Full Video here: The video is either hosted on youtube, dailymotion or any other video hosting site.