“…4 Spinal manipulative techniques have been studied for their clinical effectiveness. 5,6 Most randomized controlled clinical trials in patients with low back pain, neck pain, and headache [7][8][9][10][11][12] have been conducted using HVLA thrusts, which are inherently dynamic in nature. Recently, studies have also begun to compare HVLA to MFMA procedures with equivocal findings reported.…”