In injuries of the upper part of the cervical spine in addition to the halo body orthosis plaster of paris cast is applied to involve the fore head also this type of brace is called (AIPG 2012)
a. In the presence of lesions of the upper part of the cervical spine the fore head must be included in any external support.
b. As well as the halo body orthosis, the Minerva jacket so called because of the similarity of the head position to the shape of a roman battle helmet, made from plaster of paris or metallic attachment can be used.