Table 1.

Preoperative and postoperative motor examination of four limbs based on the Medical Research Council Scale.

	Immediately prior to the operation		Postoperative day 1		Postoperative month 12		Postoperative month 18
	Left	Right	Left	Right	Left	Right	Left	Right
Upper extremities
Hand palmar flexion	5	4	0	0	1	1	3	3
Wrist dorsiflexion	5	4	0	0	1	1	3	3
Elbow flexion	5	4	0	0	0	0	0	0
Elbow extension	5	4	0	0	0	0	0	0
Shoulder flexion	4	2	0	0	0	0	0	0
Shoulder extension	4	2	0	0	0	0	0	0
Lower extremities
Foot Plantar flexion	5	5	0	0	0	0	0	0
Foot dorsiflexion	5	5	0	0	0	0	0	1
Knee flexors	5	5	0	0	0	0	0	0
Knee extensors	5	5	0	0	0	0	0	0
Hip flexors	5	5	0	0	0	0	0	0
Hip extensors	5	5	0	0	0	0	0	0