“…These include external factors such as sleep deprivation, environmental toxins and prescription medication (Allain, Bentue-Ferrer, Polard, Akwa, & Patat, 2005;Karita et al, 2006;Sack et al, 1993). Internal factors include age, pathology affecting the neurological, visual, and vestibular systems and musculoskeletal complaints Visser et al, 2008). Neck pain, of both traumatic and non-traumatic origin, is an example of a common musculoskeletal complaint that has been associated with increased measures of postural sway.…”