Fig. 1From: The radiographic, pulmonary, and clinical outcomes of patients with severe rigid spinal deformities treated via halo‐pelvic tractionPreoperative application of HGT in a 15-year-old girl with a severe rigid spinal deformity. a The patient’s preoperative scoliosis angle(147°) and kyphosis angle(147°). b The patient’s scoliosis angle (85°) and kyphosis angle (118°) after 6 months of traction. c He was treated with a long posterior reconstruction from T2 to L4 with one-level grade 4 osteotomies at T8/9Back to article page