Players not on international duty have been given the week off by manager Jurgen Klopp, but the 27-year-old, who sustained a calf injury during the Premier League opener against Norwich City, has remained at the training complex to improve his sharpness.
Goalkeeping coach John Achterberg has been working chiefly on Alisson's speed, reactions, distribution and power having spent the September break getting Brazil's No. 1 out on the pitches again to do catching, footwork and small passing drills.
The Premier League's Golden Glove winner for 2018-19 has progressed well through his recovery stages and has upped his strength with rehabilitation fitness coach Dave Rydings in the gym.