Spinal High-Velocity Low Amplitude Manipulation in Acute Nonspecific Low Back Pain : A Double-Blinded Randomized Controlled Trial in Comparison With Diclofenac and Placebo

Study Design.A randomized, double-blinded, placebo-controlled, parallel trial with 3 arms.Objective.To investigate in acute nonspecific low back pain (LBP) the effectiveness of spinal high-velocity low-amplitude (HVLA) manipulation compared with the nonsteroidal anti-inflammatory drug diclofenac and