Henderson, who helped England to a fourth-placed finish at the World Cup, impressed his manager with his fitness levels and played 20 minutes in Tuesday's 3-1 pre-season win over Torino.
"We have to see how he reacts. But it is Hendo, so to be honest in the first session it looked like he trained for the whole three weeks," Klopp told the club website.
How could Liverpool line up next season?
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"He's experienced enough not to bring himself in difficult situations where he has to run two or three miles in two minutes.
"I have no clue what we will do at the weekend."
Henderson struggled at times last season with a persistent ankle injury, but played throughout England’s World Cup campaign and also proved a key figure in Liverpool’s run to the Champions League final.
Reuters
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