Unilateral contraction of the sternocleidomastoid muscle with high muscle tension, pulling the head to one side, resulting in the deformity of asymmetric head and neck.

It is generally the dystonia in neck and shoulder caused by extra-vertebral conductive obstruction. Persistent and uncontrollable contraction due to the spasm can lead to head rotation and tilt, as well as abnormal posture.

Congenital cervical fusion deformity, also known as cervical segmentation failure, is a fusion deformity of two or more cervical vertebrae

A compensation response to avoid diplopia due to the motor disorder of the eye muscles in certain directions.

1. Provide medical services and gastrointestinal endoscopy by the chief physicians formerly in gastroenterology department of grade III hospital. 2. Provide diagnosis and treatment of common diseases and multiple diseases in gastroenterology department: reflux esophagitis, chronic gastritis, gastric ulcer, gastrointestinal hemorrhage, acute and chronic pancreatitis, chronic hepatitis, liver cirrhosis, inflammation, etc.