Beevor sign is seen in aEUR'

Abdominal muscle Beevor's Sign Movement of the umbilicus towards the head on flexing the neck. It is caused by weakness of the lower abdominal muscles. Physiology Beevor's sign is characteristic of spinal cord injury b/w T6-T10levels. This occurs because the upper abdominal muscles such as rectus abdominus are intact at the top of the abdomen but weak at the lower poion. Thus when the patient is asked to do a sit up only the upper muscles contract pulling the umbilicus towards the head in patients who are abnormal. It has also been described in amyotrophic lateral sclerosis and fascioscapulohunzeral muscular dystrophy.