[How to visualize one additional vertebra on profile radiographs of the cervical spine?]. / Comment gagner une vertèbre sur la radio de rachis cervical de profil?

The authors describe a simple technical trick allowing a better study of the cervical spine in subjects with a brevilineal morphology: this consists in placing a small sans block between, the patient's shoulder blades, while exerting the usual traction, thus causing appropriate backward displacement of the shoulders and clearing the lower cervical spine.