Table 2

Modified Japanese Orthopaedic Association score for cervical myelopathy*

*Adapted from Yonenobu et al.17
I. Motor dysfunction score for the upper extremities
0Unable to move hands
1Unable to eat with a spoon but able to move hands
2Unable to button shirt but able to eat with a spoon
3Able to button shirt with great difficulty
4Able to button shirt with slight difficulty
5No dysfunction
II. Motor dysfunction score for the lower extremities
0Complete loss of motor and sensory function
1Sensory preservation without ability to move legs
2Able to move legs but unable to walk
3Able to walk on flat floor with a walking aid (cane or crutch)
4Able to walk up or down stairs with handrail
5Moderate to significant lack of stability but able to walk up or down stairs without handrail
6Mild lack of stability but able to walk with smooth reciprocation unaided
7No dysfunction
III. Sensory dysfunction score for the upper extremities
0Complete loss of hand sensation
1Severe sensory loss or pain
2Mild sensory loss
3No sensory loss
IV. Sensory dysfunction score for the lower extremities
0Complete loss of foot sensation
1Severe sensory loss or pain
2Mild sensory loss
3No sensory loss
V. Sphincter dysfunction score
0Unable to micturate voluntarily
1Marked difficulty with micturition
2Mild to moderate difficulty with micturition
3Normal micturition