Effect of trigger point acupuncture on pain and functional activity in patients with chronic non-specific low back pain: a randomised controlled trial.

Background: Trigger point (TrP) acupuncture is commonly used to treat chronic non-specific low back pain (CNLBP). Evidence for the efficacy of most TrP acupuncture modalities is weak or lacking.

Objective: To assess the effect of TrP acupuncture on pain, disability, gait and muscle activation in patients with CNLBP.