Fig. 1From: Reproducibility of thoracic kyphosis measurements in patients with adolescent idiopathic scoliosis Left: Standing sagittal radiograph of a thoracic single curve with apex at T8. Middle: Fixed measurements of T1–T12 thoracic kyphosis (blue) and L1-S1 (red). Right: Nonfixed measurements of thoracic kyphosis (blue) and lumbar lordosis (red)Back to article page