What is dystonia Types of dystonia Truncal/Abdominal dystonia Truncal Dystonia is uncontrollable and often painful muscle contractions in the trunk which may cause unusual stretching, bending or twisting of the trunk. Truncal dystonia is believed to be caused by incorrect messages from the brain to the muscles. It is a neurological movement disorder and should be referred to a neurologist specialising in movement disorders. Abdominal wall dystonia is also known as Belly Dancer’s dyskinesia is uncontrollable and often painful muscle contractions in the abdomen. Symptoms vary but usually consist of writhing movements and contractions of the abdominal muscles. These movements can not be voluntarily suppressed. Abdomen dystonia is believed to be caused by incorrect messages from the brain to the muscles. It is a neurological movement disorder and should be referred to a neurologist specialising in movement disorders. Please call our helpline on 020 7793 3650 for more information Disclaimer The Dystonia Society provides the information on this page as general information only. It is not intended to provide instruction and you should not rely on this information to determine diagnosis, prognosis or a course of treatment. It should not be used in place of a professional consultation with a doctor. The Dystonia Society is not responsible for the consequences of your decisions resulting from the use of this information, including, but not limited to, your choosing to seek or not to seek professional medical care, or from choosing or not choosing specific treatment based on the information. You should not disregard the advice of your physician or other qualified health care provider because of any information you receive from us. If you have any health care questions, please consult the relevant medical practitioner.