They can be clonic (abrupt in onset and rapid), tonic (isometric contraction of the concerned body part) or dystonic (sustained abnormal posture) examples of easy motor tics: eye blinking, shoulder shrugging, facial grimacing, neck stretching, mouth movements, jaw clenching and spit: Simple vocal tics can accommodate sounds that don't form words,Such as throat clearing, grunting, coughing, ans Suffing
They can be clonic (abrupt in onset and rapid), tonic (isometric contraction of the concerned body part) or dystonic (sustained abnormal posture). examples of easy motor tics include: eye blinking, shoulder shrugging, facial grimacing, neck stretching, mouth movements, jaw clenching and spit. simple vocal tics accommodates sounds that don't form words, such as: throat clearing, grunting, coughing, and sniffing.