“…Increasing the lumbar range of motion is an important goal of therapists for LBP treatment (Payton, 1989). Many exercise programs in previous research studies for simple back pain included general stretching or flexibility exercise (Bronfort et al, 1996;Coxhead et al, 1981;Faas et al, 1993;Hemmilä et al, 1997;Johannsen et al, 1995;Ljunggren et al, 1997;Sachs et al, 1994;Seferlis et al, 1998;Torstensen et al, 1998). Specifically, McKenzie exercise procedures were effectively prescribed for increasing the range of motion or the flexibility of the lower back (McKenzie, 1981;McKenzie and May, 2003;Mujic Skikic et al, 2004).…”