Table 2. The Cooper myelopathy scale (1)environmental, and occupational influences may play a role. These spondylotic changes may result in direct compressive and ischemic dysfunction of the spinal cord known as cervical spondylotic myelopathy (CSM.
| Lower limb | |
| Grade 0 | Intact |
| Grade 1 | Independent walker, but gait is not normal |
| Grade 2 | Walk with support |
| Grade 3 | Can stand, unable to walk |
| Grade 4 | Unable to stand and walk, slight movement present |
| Grade 5 | Paralysis |
| Upper limb | |
| Grade 0 | Intact |
| Grade 1 | Only sensory symptoms |
| Grade 2 | Mild motor deficit with mild functional impairment |
| Grade 3 | Major functional impairment in at least one of the upper limbs, but can perform simple tasks |
| Grade 4 | No movement or flicker of movement, but no useful function |
| Grade 5 | Paralysis |