dystona
Dystona, closely related to the term dystonia in many languages, refers to a neurological movement disorder defined by sustained or intermittent muscle contractions. These contractions can cause twisting, abnormal postures, or repetitive movements that may be worsened by action, stress, or attempts to move.
Dystonia is classified by the body regions affected and by the pattern of involvement. Focal dystonias affect
Symptoms vary but often include sustained abnormal postures, twisting movements, muscle cramping, and pain. Dystonia can
Diagnosis is clinical, based on history and examination, with imaging or genetic testing used to exclude other