Table 1.

Affected areas in dystonia.

Focal Dystonia (isolated region)

Blepharospasm (periocular muscles only)

Cervical (torticollis)

Laryngeal (spasmodic dysphonia)

Oromandibular (jaw, tongue, or peri-oral)

Limb (writer’s cramp, foot dystonia)

Segmental dystonia (two contiguous regions)

Meige syndrome (blepharospasm + oromandibular dystonia)

Cervical dystonia + one arm

Multifocal dystonia

Two or more non-contiguous body areas

Hemidystonia

Ipsilateral arm and leg

Generalized (more extensive areas)

Both legs, another region, ± trunk

One leg, another region, + trunk