In 2012, I was officially diagnosed as having primary Cervical Dystonia or aka Spasmodic Torticollis.
Cervical dystonia, also known as spasmodic torticollis, is a focal dystonia characterized by neck-muscles contracting involuntarily, causing abnormal movements and awkward posture of the head and neck. The movements may be sustained ('tonic'), jerky ('clonic'), or a combination and is extremely painful.