The audible pop is not necessary for successful spinal high-velocity thrust manipulation in individuals with low back pain.


OBJECTIVE To determine the relationship between an audible pop and symptomatic improvement with spinal manipulation in patients with low back pain (LBP). DESIGN A prospective cohort study. SETTING Two outpatient physical therapy clinics located in military medical centers. PARTICIPANTS A cohort of 71 patients with nonradicular LBP referred to physical… (More)