This figure shows a demonstration of the positional traction procedure. The cervical block is placed under the patient's cervicothoracic junction, allowing the head to extend back over the sloped portion of the block. The low back support is placed under the patient's thoracolumbar junction, posterior to the lowest palpable ribs. The blocks are outlined in white.
Morningstar et al. BMC Musculoskeletal Disorders 2004 5:32 doi:10.1186/1471-2474-5-32