The "sniffing position" is not an anatomic myth.
Frölich
M A
MA
Froelich
M A
MA
D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods*; D007830:Larynx / Q000033:anatomy & histology; D009055:Mouth / Q000033:anatomy & histology; D010614:Pharynx / Q000033:anatomy & histology; D011187:Posture / Q000502:physiology*