Fig. 1From: Iatrogenic biological fracture of the cervical spine during gradual halo traction for kyphotic deformity correction: case reporta Lateral cervical X-ray shows severe kyphotic angle of 64° before traction; b anteroposterior cervical X-ray shows a tilt to the left. c After the iatrogenic fracture at C4, the kyphotic angle improved to 11.2°Back to article page