Date	Event	Description
6 May 2009	New search has been performed	For the update published in Issue 3, 2009: the title was changed from 'Progressive resistance strength training for physical disability in older people'; the literature search was extended to February 2007; 55 new trials, involving 2917 participants, were included; the review results were restructured to increase the emphasis on function. The analyses are now presented by comparison; the authorship changed.
6 May 2009	New citation required and conclusions have changed	The conclusions were adjusted to reflect the accumulated evidence and changed emphasis of the review.