40
Participants
Start Date
May 17, 2017
Primary Completion Date
July 5, 2017
Study Completion Date
July 5, 2017
Flexion
After changing the position of head and neck of subjects to flexion, the variables were measured.
Extension
After changing the position of head and neck of subjects to extension, the variables were measured.
Right rotation
After changing the position of head and neck of subjects to right flexion, the variables were measured.
Seoul National University Hospital, Seoul
Seoul National University Hospital
OTHER