 This verified the level to be at the C5-C6 level and incision was then marked in a transverse fashion starting from the midline extending about 5 mm beyond the anterior border of the sternocleidomastoid muscle. 
This verified the level to be at the C5 - C6 level and incision was then marked in a transverse fashion starting from the midline extending about 5 mm beyond the anterior border of the sternocleidomastoid muscle .