A stiff neck due to a spasmodic contraction of the neck muscles is known as, Spasmodic Torticollis or wryneck.
Cervical Dystonia or "Spasmodic Torticollis" is a neurological condition characterized by involuntary, usually painful, muscle contraction of the neck muscles. It causes abnormal movements, tremor, or awkward posture of the
Spasmodic torticollis is among the most common forms of dystonia. It is a frequent cause of consultations with the Movement Disorders Specialist Neurologist.
With this information, we can conclude that spasmodic torticollis is a neurological disorder that can cause severe head and neck pain.
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