The England worldwide has not featured all season because of the issue and it is understood that he will face a further lay-off after having an operation on Monday.
Robertson further says that he's talked to Klopp about the situation and his lack of playing time, and that he believes he's still part of the Liverpool manager's long-term plans. "That's how back problems are", Klopp said on November 3.
"He was in a good way, running with high intensity but the muscle showed a little reaction", he said.
The decision was then taken for Clyne to have surgery and he underwent the procedure on Monday. It's been a very frustrating three months for me.
Youngsters Trent Alexander-Arnold and Joe Gomez have so far filled in for Clyne, alternating in games with Gomez often being preferred in the league whilst Alexander-Arnold has featured in most Champions League games.
"I felt I did myself justice in the games I did play, so I had a good chat with him".
Speaking about Clyne's progress ahead of Liverpool's 4-1 win away at West Ham, Klopp revealed the defender had been struggling.
"At this stage we haven't seen Sadio yet to properly assess the extent, but what is clear is that we will have to stay on top of this for the rest of the week and make sure we are careful in how we look after him".
The 26-year-old will have to fight for his place at club and worldwide level, with his replacements prospering in his absence.
Monday saw a return to training for all the players who are not away on global duty.
Philippe Coutinho could be returning to a frosty atmosphere at Liverpool's Melwood training facility after the Brazilian star declared himself fit to face England on Tuesday night.