“…Several studies, all randomized controlled trials, specifically addressed the efficacy of GA/GEX in combination with other interventions when compared with active interventions that did not include GA/GEX in patients with subacute and/or chronic neck pain (Lo et al, 2018;Ludvigsson, Peterson, O'Leary, Dedering, & Peolsson, 2015;Monticone et al, 2017;Monticone et al, 2012;Overmeer, Peterson, Ludvigsson, & Peolsson, 2016;Pool et al, 2010;Thompson, Oldham, & Woby, 2016;Vonk et al, 2009). In each of these reports, subjects in the comparison group received exercise and/or manual therapy, but there was no standardization of exercise or manual therapy interventions or adherence to any specific treatment approach in the comparison groups in any of these studies.…”