Fig. 4From: Lumbar spine MRI in upright position for diagnosing acute and chronic low back pain: statistical analysis of morphological changesStatistical distribution: Changes in a lumbosacral and b lordosis angle. a Clinostatism: lumbosacral 136.7°, lordosis 35.5°. b Orthostasis: lumbosacral 131.7°, lordosis 41.6°Back to article page