We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePhysical activity energy expenditure has not declined since the 1980s and matches energy expenditures of wild mammals.AuthorsWesterterp KR; Speakman JRPublicationInternational journal of obesity (2005), 2008, Vol 32, Issue 8, p1256ISSN1476-5497Publication typearticleDOI10.1038/ijo.2008.74