“First of all, it was my knee as I played football all my life,” he shared.
“I am suffering for it now. My knee got fixed with a replacement and then the ankle did not know what was going on.”
Rod’s appearance on Lorraine comes after he opened up on struggling to get through lockdown.
The musician “hunkered down in Florida” with wife Penny and several of his children in March last year, but has since returned to the UK.