Inclusion Criteria:  Chinese Aged 40 or above With radiological evidence of degenerative cervical myelopathy, both symptomatic and asymptomatic Nurick grade less than 3  Exclusion Criteria:  Non-Chinese ethnicity Aged under 40 without any radiological proof of cervical myelopathy Active problems of tuberculosis spine, lumbar spinal diseases and other problem causing pain or deformities over the limbs that may affect their balance and movement Presents with extra-pyramidal or other disorders involving the cerebellum or frontal lobe of cerebrum leading to poor balance and gait disturbance Previous spinal operation with residual disturbance in balance or gait Non-communicable patients with insufficient cognitive ability in expressing their own symptoms clearly Non-walker Blind or deaf