Beevor's sign

Beevor's sign is the movement of the navel towards the head on flexing the neck. It is caused by weakness of the lower abdominal muscles.

Pathophysiology
Beevor’s sign is characteristic of spinal cord injury at the T10 level. It has also been described in amyotrophic lateral sclerosis and facioscapulohumeral muscular dystrophy.

History
Named after Charles Edward Beevor, English neurologist (1854–1908).