Figure 1. Defined angles as (a) lumbar lordosis angle (LLA), (b) lumbosacral joint angle (LSA), (c) sacral horizontal angle (SHA), (d) lumbar sagittal balance axis (LSBA)

From

Changes in Lumbosacral Angles in Patients with Chronic Low Back Pain: A Prospective Study

Ali Akbar Esmailiejah, Mohamad Qoreishy, Ali Keipourfard, Shahrzad Babaei

American Journal of Medical Case Reports. 2017, 5(6), 163-165 doi:10.12691/ajmcr-5-6-8