Fig. 1From: Predictive underestimation of difficult direct laryngoscopy in a patient with rheumatoid arthritis-associated immobilized craniocervical junctionPatient at lateral neutral position (left) and at mandibular protrusion test (right). No obvious micrognathia, retrognathia, or short neck is found. She is equivalent to mandibular protrusion test class B, with moderate limitation of forward movementBack to article page