The 34-year-old is the subject of continuing speculation as to where he will be playing his club football next season with his current contract due to expire in the summer.
But served up another reminder of his enduring powers with his ninth goal in his last 14 Blues appearances in Saturday's 4-1 win over Wigan in the Premier League.
Lampard, who may yet be offered a new deal by Chelsea owner Roman Abramovich, was also on target in England's 2-1 friendly victory over Brazil in midweek as hit a spectacular winner.
"It's not rocket science: the more you play you get sharper and you get match fit," Lampard told Chelsea TV.
"Since I've been able to play regularly I feel like I've got sharpness and the confidence.
"I'm 34, you still need confidence of playing regular games. It certainly helps me, to get flow in your game; you ask any player that, I'm not on my own there.
"When you're playing regularly and you do start playing well, scoring goals, whatever position you're in, it's enjoyable to keep playing and it helps.
"You have to have an eye on the squad - it is a long season - so I'm not expecting, or asking, to play every single game. (But) it seems to me recently I've been able to play every three or four days, I've enjoyed it."
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