Fig. 2From: Efficacy of the cognitive functional therapy (CFT) in patients with chronic nonspecific low back pain: a study protocol for a randomized sham-controlled trialSham photobiomodulation application sites: nine sites will be applicated on the patientās lumbar region: three central sites on top of the spinous processes (between T11 and T12, L2 and L3, L5 and S1); in the same direction, but laterally, three sites on the left and three on the right (on the paravertebral muscles), without any emission of therapeutic doseBack to article page