The Reds' No.10 was substituted in the early stages of Senegal's match against Togo last Thursday as a precaution.
But he joined his teammates as those members of Jürgen Klopp's squad not on international duty completed a training session ahead of the weekend meeting with the Gunners.
Take a look at a selection of photos from Kirkby below - and check out our full gallery here.
Photos by Andrew Powell