Phil Collins' bandmate Mike Rutherford revealed the Genesis star has been more immobile than he used to be.
The Genesis legend's health has been declining for the last 15 years.
He suffered injured vertebrae in his upper neck, which led to crippling nerve damage, and is also battling acute pancreatitis.
During Genesis' last-ever show in March last year, he appeared frail as he performed on stage in a wheelchair.
His nerve damage stopped him from being able to play the drums and he also has been walking with a cane.
Appearing on BBC Breakfast, Genesis guitarist Mike said: "Phil is much more immobile than he used to be, which is a shame but at the tour, he was in good spirits and he’s fine now at home, enjoying life.
"He’s worked so hard over the years, I think he’s enjoying his time at home."
Phil joined the band as their drummer in the 70s and stayed with them until 1996.
Genesis, which also consists of keyboardist Tony Banks, reunited for the last time for The Last Domino? tour last year.
They previously cancelled a string of shows due to the coronavirus the year before.
Speaking of how the shows changed due to his health, he told The Guardian : "I don’t do anything at all. I don’t practise singing at home, not at all. Rehearsing is the practice.
"These guys are always having a go at me for not, but I have to do it this way."
"Of course, my health does change things, doing the show seated changes things," he added, explaining how he didn't feel his having to sit down got "in the way" of the show.
"But I actually found on my recent solo tours, it didn’t get in the way; the audience was still listening and responding. It’s not the way I would have written it, but it’s the way that it is."
The In The Air Tonight singer opened up about his injuries on the Genesis website.
Phil explained" "Somehow, during the last Genesis tour, I dislocated some vertebrae in my upper neck and that affected my hands.
"After a successful operation on my neck, my hands still can't function normally. Maybe in a year or so it will change, but for now it is impossible for me to play drums or piano."
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