Fig. 1From: Effects of head positions on awake fiberoptic bronchoscope oral intubation: a randomized controlled trialThe position of intubation was demonstrated by a volunteer: A, ‘neutral’ position with the occiput close to the operating table; B, ‘sniffing’ position with a 7-cm pillow underneath the occiput; C, ‘extension’ position with a 7-cm pillow underneath the shoulder and the occiput close to the operating tableBack to article page