1. Chronic Pain Concepts and Definitions
2. Moseley GL. Background, theory and evidence for Graded Motor Imagery. In: Moseley GL, Butler DS, Beames TB, Giles TJ, editors. The Graded Motor Imagery handbook. 1st ed. Adelaide: Noigroup Publications; 2012.
3. Merskey H, Bogduk N. Classification of chronic pain. Seattle (WA): IASP Press; 1994. Available from: http://www.iasp-pain.org/AM/Template.cfm?Section = Classification_of_Chronic_Pain&Template = /CM/ContentDisplay.cfm&ContentID = 16283
4. Investigations
5. Left/right neck rotation judgments are affected by age, gender, handedness and image rotation