niggling back problem that had threatened to limit his involvement.
"I think he puts it on you and other members of staff, the sports science department and physios, to try and work out the way to manage yourself," said the 34-year-old. "Giving you that responsibility.
"I think that's part of his great management. Some people try and dictate and say do it this way: 'I know better than anyone else'. He gives you that responsibility to say: 'Work it out for yourself and get to the point where you know what you are doing and can manage it yourself. So, come Saturday or Sunday, you're available for me to pick you'.
"He let me do that and it released any kind of pressure. Some managers do put [pressure] on players to be fit all the time. I've been in that situation where I think I need to be fit, I really need to be fit and you almost become a hindrance to the team. It's great for me to get that comfort from the manager. I think, as an older player, you need that towards the end of your career."
With Everton boss Moyes coming in to take charge, Ferdinand admits he will need to impress all over again and starts from scratch along with all his team-mates.
"You've got to prove yourself under the new manager," he said. "He's going to come in with new ideas, new rules and a new regime. No matter how long we've been here, the likes of Giggsy and myself have been here for many years, we'll be in the same boat instead as people like Danny Welbeck, Phil Jones and Tom Cleverley. So we've all got to be wanting to prove ourselves to make sure he thinks we're the right people to start each game.