Figure 1From: Less invasive corrective surgery using oblique lateral interbody fusion (OLIF) including L5-S1 fusion for severe lumbar kyphoscoliosis due to L4 compression fracture in a patient with Parkinson’s disease: a case report The patient showed severe kyphosis. (a) Natural standing position (b) Extension position with maximum effort. Note that the patient is not able to gaze straight forward even at maximum extension.Back to article page