<unk>  is a fixed or dynamic tilt, rotation, with flexion or extension of the head and/or neck. The type of<unk>  can be described depending on the positions of the head and neck. * laterocollis : the head is tipped toward the shoulder * rotational<unk>  : the head rotates along the longitudinal axis * anterocollis : forward flexion of the head and neck * retrocollis : hyperextension of head and neck backward A combination of these movements may often be observed.<unk>  can be a disorder in itself as well as a symptom in other conditions. Other symptoms include: * Neck pain * Occasional formation of a mass * Thickened or tight sternocleidomastoid muscle * Tenderness on the cervical spine * Tremor in head * Unequal shoulder heights * Decreased neck movement
Torticollis
Spasmodic torticollis
Equinovalgus
Abulia
Pseudostrabismus
Dysbarism
Strabismus
Diplegia