Objectives: To investigate the claim that 90% of episodes of low back pain that present to
general practice have resolved within one month. Design: Prospective study of all adults …

Study Design. A modified Delphi study conducted with 28 experts in back pain research from
12 countries. Objective. To identify standardized definitions of low back pain that could be …

Objectives. For effective health care provision, knowledge of disease prevalence is paramount.
There has been no systematic endeavour to establish continent-based AS estimates, …

Objectives: To quantify the relative contribution of premorbid and episode specific factors in
determining the long term persistence of disabling symptoms of low back pain. Design:…

OBJECTIVES To systematically evaluate the available evidence on occupational risk factors
of shoulder pain. METHODS Relevant reports were identified by a systematic search of …

The objective of the study was to examine the 1-year cumulative incidence of episodic neck
pain and to explore its associations with individual risk factors, including a history of previous …

Low back pain in adolescents is perceived to be uncommon in the clinic setting. However,
previous studies have suggested that it may be an important and increasing problem in this …

Objective Chronic widespread pain, the clinical hallmark of the fibromyalgia syndrome, is
associated with other physical and psychological symptoms both in patients studied in a …

Objective The American College of Rheumatology (ACR) 1990 fibromyalgia classification
criteria are based on the presence of widespread pain and tenderness. In 2010, new criteria …

Background Syndromes for which no physical or pathological changes can be found tend to
be researched and managed in isolation although hypotheses suggest that they may be …