http://articles.mercola.com/sites/articles/archive/2005/02/12/muscle-arthritis.aspxNew research may challenge those living with fibromyalgia and other chronic pain conditions that live their lives believing increased activity means more pain. A study suggested that those living with this condition might be able to sustain more activityenCommunityServer 2008.5 SP1 (Build: 31106.3070)