Her victory capped a fine performance from the British team, with Louis Smith and Dan Purvis also earning medals.
"We had an amazing championships," said Tweddle. "There are several reasons: the National Lottery funding, the belief within the camp because people are picking up medals and the hard work of the gymnasts themselves.
"We just gradually keep making step forwards and hopefully that can keep going."
She will compete at the European Championships next year as she continues her preparation for 2012 but will scale down her training regime in order to protect her ageing body.
"After a competition I'm so glad it's over and ice baths are a regular thing these days," she stated.
"Sometimes training is hard and you just think do I really want to carry on for two more years? But then I remember the feeling of being in the O2 [Arena in London] last year with the whole of the crowd behind me and I just think I want that again."
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