Pharrell Williams was born on April 5, 1973 in Virginia Beach, Virginia, USA. He has been married to Helen Lasichanh since October 12, 2013.
dystonia. Definitions: 1. A syndrome of abnormal muscle contraction that produces repetitive involuntary twisting movements and abnormal posturing of the neck, trunk, face, and extremities. The definition information for dystonia is provided by Stedman's. You can search our medical dictionary here.efinitions: 1. A syndrome of abnormal muscle contraction that produces repetitive involuntary twisting movements and abnormal posturing of the neck, trunk, face, and extremities. The definition information for dystonia is provided by Stedman's.
1 Secondary dystonia-when dystonia signs and symptoms occur as a consequence of an underlying condition-usually genetic, neurological or an injury which affects the nervous system. 2  Focal dystonia-only one part of the body is affected. 3  Segmental dystonia-two or more regions of the body are affected.ystonia is a general term which describes involuntary movements and extended muscle contractions-a range of movement disorders. The patient has twisting body movements, tremor and unusual or awkward postures.