In 2009, a study led by Richard A Roy and colleagues, the effects of chiropractic treatments on heart rate variability (HRV) were investigated in patients with and without lower back pain. The study aimed to compare HRV modulation following manual assisted mechanical force (Activator) or traditional diversified technique spinal manipulation. The research involved 51 participants who were randomly assigned to control, treatment, or sham groups. … Continue reading How does lower back pain influence heart rate variability response to chiropractic treatment?