Fig. 2From: Percutaneous versus open posterior stabilization and decompression in AOSpine-type A3 thoracolumbar fractures with neurological deficit a Local kyphosis Cobb angle of fractured vertebra = angle of the vertical line of horizontal extension line of the upper endplate and the lower endplate on lateral X-ray. b Anterior height ratio of the fractured vertebrae = α/(β + γ)/2Back to article page