“…Four systematic reviews (Bronfort, Haas, Evans, Kawchuk, & Dagenais, 2008;Bronfort, Haas, Evans, & Bouter, 2004;Vernon & Humphreys, 2008;Vernon, Humphreys, & Hagino, 2007) and one Cochrane review (Gross et al, 2010) have recently been conducted on the effectiveness of spinal manipulation in the treatment of lower back and neck pain. In these reviews, the authors focussed on patient reported outcome measures such as the visual analogue scale, the 11 point numerical pain reporting scale, and the neck disability index.…”