Tottenham goalkeeper Brad Friedel believes he can extend his playing days well into his 40s if he can keep himself fully fit.
The American, who turned 40 in May, arrived at White Hart Lane from Aston Villa in the summer.
The former USA international is contracted in North London until the end of next season but feels he could continue playing beyond that if he can stay injury free.
He said: "If you can keep yourself free of major injury and you want to keep playing, then you can go much longer than an outfield player could.
"It can be done if you want it - and I do."
Friedel, a former Liverpool and Blackburn player, has notched up 277 successive Premier League appearances.
His last nine outings have been unbeaten to help Spurs to third place in the standings.
The keeper added: "These days with all the focus on nutrition and health, together with the less distance we have to cover in training and in matches, why shouldn't a goalkeeper play well into his 40s?
"My body doesn't feel the way someone might think a 40-year-old should feel.
"I don't wake up every morning and think, 'Oh no, I'm 40, I don't feel like training today'."